PRESSURE GAUGE PRESSURE GAUGE

PRESSURE 

GAUGE 

PRESSURE GAUGE MODEL CAT. NO 

General Service Pressure Gauge …………………………………… P110………………………………………… PD01-01 

Ammonia Service Pressure Gauge ………………………………… P111………………………………………… PD01-02 

Freon Gas Service Pressure Gauge ………………………………… P112………………………………………… PD01-03 

General Purpose Pressure Gauge …………………………………… P140………………………………………… PD01-04 

Industrial Pressure Gauge …………………………………………… P220………………………………………… PD02-01 

Industrial Service Pressure Gauge ………………………………… P221………………………………………… PD02-02 

Industrial Service Pressure Gauge ………………………………… P222………………………………………… PD02-03 

Liquid Filled Industrial Pressure Gauge …………………………… P290………………………………………… PD02-04 

Receiver Gauge ………………………………………………………… P228………………………………………… PD02-05 

Test Pressure Gauge …………………………………………………… P229, P335………………………………… PD02-06 

Industrial Pressure Gauge …………………………………………… P252………………………………………… PD02-07 

Process Industry Pressure Gauge …………………………………… P253………………………………………… PD02-08 

Solid Front Pressure Gauge ……………………………………P257………………………………………… PD02-09 

Liquid Filled Industrial Pressure Gauge …………………………… P258………………………………………… PD02-10 

Liquid Filled Process Industrial Pressure Gauge ………………… P259………………………………………… PD02-11 

Process Industry Pressure Gauge with Steel Case ……………… P330………………………………………… PD03-01 

Duplex Pressure Gauge………………………………………………… P336, P338………………………………… PD03-02 

Safety Pattern Pressure Gauge ……………………………………… P339, P359………………………………… PD03-03 

Draft Gauge……………………………………………………………… P410, P420………………………………… PD04-01 

Low Pressure Gauge …………………………………………………… P421………………………………………… PD04-02 

Diaphragm Seal Low Pressure Gauge ……………………………… P428, P429………………………………… PD04-03 

Low Pressure Gauge with Aluminium Case ……………………… P430………………………………………… PD04-04 

Low Pressure Gauge with Cr Plated Steel Case………………… P440………………………………………… PD04-05 

Electrical contact Type Pressure Gauge …………………………… P511,P512,P513,P514,P515…………………PD05-01 

Electrical contact Type Pressure Gauge …………………………… P521, P522, P523, P524, P525……………PD05-02 

Electrical contact Type Pressure Gauge with Steel Case…………P531, P532, P533, P534, P539……………PD05-03 

Indicating Pressure Switch………………………………………………P535, P536………………………………… PD05-04 

Electrical contact Type Pressure Gauge with Cr Plated Case……P542………………………………………… PD05-05 

Differential Pressure Gauge…………………………………………… P620, P630………………………………… PD06-01 

Differential Pressure Gauge with contact ………………………… P621, P622, P623, P624, P625 ………… PD06-02 

High Static Differential Pressure Gauge with contact…………… P631, P632, P634, P635, P636……………PD06-03 

Diaphragm Seal Type Pressure Gauge……………………………… P710, P720, P730………………………… PD07-01 

High Temperature Pressure gauge……………………………………P741, P742………………………………… PD07-02 

Sanitary Pressure Gauge ……………………………………………… P751, P752, P753, P754, P755, P756………… PD07-03 

Sanitary Pressure Gauge ………………………………………………P757………………………………………… PD07-04 

Dead Weight Tester(MAX 100Kgf/cm2)……………………………… P910, P911………………………………… PD09-01 

Dead Weight Tester(MAX 500Kgf/cm2)……………………………… P913, P914………………………………… PD09-02 

Pressure Recorder ……………………………………………………… P920………………………………………… PD09-03 

Pressure Switch ………………………………………………………… P941, P942, P951, P952………………… PD09-04 

Explosion Proof Pressure Switch…………………………………… P953………………………………………… PD09-05 

Liquid Column Manometer …………………………………………… P961, P962, P963, 964, P965…………… PD09-06

PRESSURE MEASUREMENT 

There are four types of pressure measurements: 

Measurement of absolute pressure : measurements are made with respect to absolute pressure, for 

example as with atmospheric pressure. 

Measurement of relative or effective pressure : measurements are made with respect to ambient pressure. 

generally atmospheric pressure. 

Measurement of differential pressure : this is the difference between two pressures. 

One 

Measurement 

can also 

of vacuum 

distinguish 

pressure : 

pressure 

this is referred 

measurements 

to ambient pressure, usually 

according 

atmospheric 

to 

pressure. 

their 

behavior with time : 

Static or quasi-static pressure, which varies only slowly with time. Examples are atmospheric pressure, 

level measurements and certain pressures in industrial processes such as in the petrochemical, food and pulp 

and paper industries. 

Fluctuating pressure, which can be random or cyclic. Examples are the pressure inside a gun barrel, in a 

plastic injection mould, in an internal combustion engine cylinder, etc. 

Line (Static pressure pressure) 

Atmospheric (Fluctuating reference) pressure 

Absolute 

(Theoretical 

vacuum 

limit) 

PRESSURE GAUGES 

Absolute 

pressure 

Relative pressure 

Vacuum pressure 

Mechanical apparatus indicating the value of the local pressure 

Differential pressure 

1. 

2.Window 

Bezelring 

3.Window 

4.Dial 

gasket 

5.Movement 

6.Tube 

7.Case 

8.Blow 

9.Connection 

out disc 

10.Connection 

11.Pointer 

gasket 

PRESSURE


PRINCIPLE OF OPERATION : 

The tube is displaced in proportion to 

the applied pressure, which causes the 

pointer to move by means of a 

mechanically amplifying linkage. 

Components of a metallic pressure gauge : 

BOURDON tube or tube : 

The sensing element consists of a metallic tube of various 

cross-sections shaped in the form of a . One end is 

fixed and connected to the pressure circuit and the other 

is sealed and free to move. When pressure is applied to 

the tube the free end is forced outwards. 

(Measuring range from around 400 mbar to 60 bar). 

Capsules : 

The sensing element consists of two thin 

corrugated sections laser welded together. The 

capsule thus formed acts as a cavity that slightly 

deforms with variations in pressure. It is suitable 

for measuring very low pressures. (Measuring 

range from 0 to about 600 mbar). 

Bellows : 

The sensing element consists 

of two flanges connected to a 

flexible cylinder. 

Pressure applied to the interior 

of the chamber causes it to 

deform by an amount 

proportional to the pressure. 

They are mainly used in 

differential pressure gauges 

and pressure switches. 

Helicoil, tubes 

(or pig tails) : 

The coil is cylindrical. 

It has the same 

characteristics as a spiral 

tube but with greater 

resistance to fatigue due 

to better stress distribution. 

(Measuring range from 

about 60 to 3000 bar). 

Spiral tubes : 

These use the same 

principle as the tube 

but with the deflection of 

the free end of the tube 

amplified due to the spiral 

shape. 

They are mainly used in 

gas expansion thermometers. 

Position of tube at P=0 

Position of tube at Pmeasured

MOUNTING 

Cases 

Different types of cases are possible according to position of the connection. 

TYPE B TYPE N TYPE D TYPE A TYPE K TYPE G TYPE M 

Back flange 

Bottom 

connection 

Position 

YES 

Front flange 

Back 

connection 

Front flange 

Bottom 

connection 

Flangeless 

Bottom 

connection 

Back flange 

Back 

connection 

Flangeless 

Back 

connection 

Always vertical, otherwise specify the direction and angle. 

A pressure gauge is calibrated in a vertical position, however and this is not a defect, the pointer may be out of 

zero if the instrument is horizontal, chiefly for low pressure ranges. 

Threads 

Standard threads are : parallel BSP (gas) or conical NPT (briggs). 

1. Parallel thread BSP (gas). 

Place a gasket between the end of the thread and around the 

spigot. 

2. Conical thread NPT (briggs) 

Tightness is achieved metal on metal without any gasket. However 

a teflon tape wound around the thread provides a better tightness 

and makes the screwing easier. 

BOURDON tube 

The BOURDON tube can be made of bronze, st. steel, MONEL, 

nickel-silver alloy, etc... 

Sometimes for low or differential pressures, the tube is replaced by 

a capsule or by 2 bellows. 

Oxygen 

WARNING : 

For oxygen service, oil-free manometric parts is imperative. 

Specify when ordering. 

YES 

Gasket 

BSP 

threading 

NO 

Front 

Strap 

flange 

fixing 

connection Back 

NO 

NPT 

threading 



Installation 

Never install the pressure gauge by turning the case but mount it 

with a wrench by means of the hexagon or flats provided on the 

socket. 

Isolating cocks 

A pressure gauge must never be mounted an isolating cock. 

Vibrations 

Vibrations of the pressure gauge must be avoided to prevent excessive 

wear of the mechanism. 

It would be better to set the gauge on a rigid support on which the 

vibrations of the pipe have no influence (consult our chemical seals/ 

accessories manual). 

A flexible small diameter capillary can also be 

placed between the gauge and diaphragm seal. 

A capillary can also occasionally be used as a 

vibrations or pulsations dampener. 

Pressure pulsations 

In the case of pressure measurements of 

pulsating fluids a dampener should be fitted 

between the pressure gauge and the pipe. 

Adjustment of dampener will be done on line, 

where the gauge is used, according to the pressure 

pulsations. 

Corrosion 

If stainless steel or MONEL do not provide sufficient guarantee against 

corrosion place a diaphragm seal between gauge and pipe (consult 

our chemical seals/accessories manual). 

Parts of the diaphragm seal in contact with fluid (bottom housing, 

diaphragm intermediate ring) are made of a material withstanding 

corrosive fluids : steel, stainless steel, nickel, tantalum etc... or coated 

with corrosion-proof materials (Teflon, halar, Kel F, etc). 

Bottom housing can be made of carbon steel, stainless steel, 

hastelloy B or C, tantalum, etc. 

NO 

NO 

YES 

NO YES NO 

Pulsations 

Corrosivefluids 

YES 

Oil filled gauge 

Dampener 

Diaphragm 

seal

Excessive temperatures must be avoided 

If the joining is soft-soldered the gauge must not be 

subjected to a permanent temperature over 80˚C (180 ˚F). 

If the joining is brazed the gauge must not be 

subjected 

to a permanent temperature over 120˚C (270˚F). 

If the joining is arc-welded (st.steel tube) the gauge 

must not be subjected to a permanent temperature over 250˚C (482˚F) 

NOTE : The mentioned temperatures are temperatures inside the 

BOURDON tube. 

Overpressure 

Before calibration all our Bourdon tubes are subjected to an 

overload test, so that in normal utilization our gauges should be 

able to withstand the following overpressure without any damage. 

30% of maximum graduation up to 100 bar. 

15% of maximum graduation over 100 bar. 

A short pipe of small section, placed in between the hot fluid and the 

pressure gauge is sometimes efficient enough to lower the 

temperature to acceptable values. A siphon, especially on vapor, 

can be used after having been initially filled by a fluid condensed at 

cold temperatures. In this case, do not purge the siphon. In all cases, 

the first pressure increase must be carried out slowly to enable 

the hot fluid to cool off. 

Diaphragm and lower housing materials 

Siphon 

Hot fluid 

Overload 

device 

This choice is directly linked to the aggressivity of the fluid to be measured. Corrosion however depends also on surface 

condition of the parts subjected to a corrosive agent, on the circulation of air (hence of oxygen) dissolved in the fluid, on 

the presence of catalytic agents or conversely of corrosion inhibitors. 

The following table provides general indications of compatibility. Considering the complexity of corrosion phenomena, it is 

mandatory to check the choice of material (T., concentration, pressure, shape... influences). 

MATERIALS 

316 L Stainless steel 

TO BE USED WITH : 

-Strong 

ones) 

and weak acids (except mineral 

-Strong 

-Acid, neutral 

and weak 

or basic 

bases 

-Sea water 

salts 

-Oxidizing 

-Hydrogen 

media 

DO NOT USE WITH : 

-T 

-Strong 

fluid > 

oxidizing 

100˚C 

high concentrations 

agents at 

-Hydrochloric 

acids in concentrations 

and sulphuric 

-Ferric chloride 

> 2% and T > 20˚C 

-Fluorine, 

-Wet chlorine 

fluoride 

-Concentrated 

-Oxalic and chromic 

nitric acid 

acids 

at high temperature 



MATERIALS 

MONEL 400 

HASTELLOY B 

HASTELLOY B2 

HASTELLOY C 276 

URANUS B 6 

TITANIUM 

TO BE USED WITH : 

-Hydrogen sulphide (often 

found in petroleum products) 

-Sea water 

-Neutral and alkaline salts 

-Hyarofluoric acid 

-Specifically designed for hydrochloric 

acid at high concentration and 

temperature 

-For pitted corrosion in the 

areas near the solders hydrochloric, 

sulphuric, acetic acids at high 

concentrations and temperature 

Sulphuric acid at high concentration 

and temperature 

-Wet chlorine 

-Ferric chloride 

-Copper salts 

-Strong oxidizing agents 

-Waste incineration gas 

-Warm sulphuric acid (


PRESSURE CONVERSION CHART 

CONVERSION TABLE 

PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 

DENSITY CONVERSION CHART 

lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 

VOLUME CONVERSION CHART 

GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 

MASS CONVERSION CHART 

lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

GENERAL SERVICE PRESSURE GAUGE 

MODEL : P110 SERIES 

SERVICE INTENDED 

P110 Series, General Service Pressure gauge, 

Feature low Cost and high quality and is suitable for non-corrosive fluid 

Air, Oil, Gas or Water service are the most common applications. 

NOMINAL DIAMETER 

40, 50, 60, 75, 100, 150, and 200mm 

ACCURACY 

40mm : ±3.0% of Full Scale 

50, 60, 75, 100, 150, and 200mm : ±1.5% of Full Scale 

SCALE RANGE 

40mm : 0~2 to 0~35kgf/cm 2 

50mm : 0~2 to 0~100kgf/cm 2 

65, 75mm : -76cmHg ~ 0 to 0 ~ 250kgf/cm 2 

100mm(New) : -76cmHg ~ 0 to 0 ~ 350kgf/cm 2 

100mm, 150mm : -76cmHg ~ 0 to 0 ~ 1000kgf/cm 2 

200mm : -76cmHg ~ 0 to 0 ~ 250kgf/cm 2 

WORKING TEMPERATURE 

Ambient : -20 ~ 65˚C 

Fluid : -5 ~ 40˚C 

DEGREE OF PROTECTION 

IP44 

Standard Features 

PRESSURE CONNECTION 

Brass 

ELEMENT 

40, 50mm : Brass 

60, 75, 100mm(New) : ≤100kgf/cm 2 : Brass 

>100kgf/cm 2 : 316SS 

100, 150, 200mm : ≤35kgf/cm 2 : Brass 

>35kgf/cm 2 : 316SS 

C Type Bourdon Tube 

CASE 

Black Finished Steel 

Black Finished Aluminium(Diameter 200mm) 

WINDOW 

Glass 

MOVEMENT 

Brass 

COVER 


DIAL 

White Aluminium with 

Black Graduations 

POINTER 

Aluminium alloy, Black painted 

PROCESS CONNECTION 

40mm : 1/8” PT, NPT &PF 

50mm : 1/4”, 1/8” PT, NPT &PF 

60mm : 1/4” PT, NPT &PF 

75, 100mm(New) : 3/8” PT, NPT &PF 

100mm, 150 and 200mm : 1/2”, 3/8” PT, NPT & PF 

PD01-01

PD01-01 

ORDERING INFORMATION 

BASE 

P110 : 

MODEL 

GENERAL SERVICE PRESSURE GAUGE 


0 : 40mm 

1 : 50mm 

2 : 60mm 

3 : 75mm 

4 : 100mm 

6 : 150mm 

7 : 200mm 

MOUNTING TYPE (Refer to Mounting type & Dimension) 

A : Bottom Connection, Direct, Not available with Diameter 200mm 

B : Bottom Connection, Surface, Case Mounting Plate, Not available with Diameter 40mm 

F : Centre Back Connection, Direct, Not available with Diameter 100mm,and 150mm and 200mm 

G : Lower Back Connection, Direct, Only available with Diameter 100mm(New),100mm and 200mm 

J : Centre Back Connection, Flush, Cover Mounting Plate, Not available with Diameter 40mm 100mm, 150mm 

and 200mm 

N : Lower Back Connection, Cover Mounting Plate, Only available with Diameter 100mm(New) and 

150mm 

ACCURACY 


4 : ±1.5% of Full Scale. Not available with diameter 40mm 

6 : ±3.0% of Full Scale 

B : 1/8”, Only available with diameter 40,50mm 

C : 1/4”, Only available with diameter 50,60mm 

D : 3/8”, Not available with diameter 40,50,75mm 

E : 1/2”, Only available with diameter 100,150,200mm 

CONNECTION TYPE 

B : PF 

C : PT 

D : NPT 

Z : Other (See Note 1) 

UNIT 

B : kgf/cm 2 (Pressure) or cmHg + kgf/cm 2 (Compound) 

C: cmHg, Only available with vacuum gauge 

Z : Other 

RANGE 

DIAL COLOR 

Refer to Pressure Range Table 

P110 0 A 6 B C B 041 1 0 

Note 1, Special connection type is available such as BSP & BSPT 

1 : 2 Colors 

5 : 3 Colors, Available with 

Compound & Vacuum Gauges 

OPTIONS 

0 : None 

1 : Accessories 

SAMPLE MODEL NUMMBER

P110 : TYPE OF MOUNTING MOUNTING 

PD01-01

AMMONIA SERVICE PRESSURE GAUGE 



The P111 Series are designed to withstand the shock, vibration 

and pulsation inherent in agricultural ammonia equipment. 


75 and 100mm 

ACCURACY 

±1.5% of Full Scale 

SCALE RANGE 

-76cmHg ~ 10, 15, 25kgf/cm 2 

WORKING PRESSURE 

Steady : 75% of Full Scale 

Over Range Protection : 130% of Full Scale 


Ambient : -20 ~ 65˚C 

Fluid : -5 ~ 40˚C 



304SS 

ELEMENT 

316SS 


CASE 


COVER 


WINDOW 

Glass 

MOVEMENT 

Brass 

DIAL 



POINTER 



3/8” 

CONNECTION 

PF, PT 

PD01-02

PD01-02 


BASE 

P111 : 

MODEL 

AMMONIA SERVICE PRESSURE GAUGE 


3 : 75mm 

4 : 100 mm 


A : Bottom Connection, Direct 

B : Bottom Connection, Surface, Case Mounting Plate 

M : Lower Back Connection, Flush, Case Centre Mounting Bracket.Only available with 

Diameter 100mm 

ACCURACY 


CONNECTION 

D : 3/8” 


B : PF 

C : PT 

UNIT 

B : cmHg + kgf/cm 2 

(Compound) 

RANGE 

032 : -76 ~ 10 

033 : -76 ~ 15 

034 : -76 ~ 20 

DIAL COLOR 

6 : 3 Colors 

OPTIONS 

P111 4 A 4 D B B 032 6 0 

0 : None 




PD01-02



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

FREON MODEL GAS : P112 SERVICE SERIESPRESSURE GAUGE 

PD01-03 


P112 Series are designed for withstanding shock, 

vibration and pulsation for freon gas services. 


60 and 75mm 

ACCURACY 


SCALE RANGE 

60mm : -76cmHg ~ 10, 15, 20kgf/cm2 0 ~ 25, 0 ~ 35kgf/cm2 75mm : -76cmHg ~15kgf/cm2 0 ~ 35kgf/cm2 WORKING PRESSURE 




Ambient : -20 ~ 65˚C 

Fluid : -5 ~ 40˚C 



Brass 

ELEMENT 

Brass 


CASE 


COVER 


MOVEMENT 

Brass 

DIAL 



POINTER 



7/16” 


UNF

PD01-03 


BASE 

P112 : 

MODEL 

FREON GAS SERVICE PRESSURE GAUGE 


2 : 60mm 

3 : 75mm 


B : Bottom Connection, Surface, Case Mounting Plate, Only available with diameter 60mm 

H : Centre Back Connection, Flush, Case Centre Mounting Plate 

ACCURACY 


CONNECTION 

P : 7/16” 


E : UNF 

UNIT 

RANGE 


Z : Other 

032 : -76cmHg~10kgf/cm 2 

/Not available with diameter 75mm 

033 : -76cmHg~15kgf/cm 2 

034 : -76cmHg~20kgf/cm 2 


052 : 0~25kgf/cm 2 


054 : 0~35kgf/cm 2 

DIAL COLOR 

P112 2 H 4 P E B 033 5 0 

1 : 2 Colors 

5 : 3 Colors, 

Available with compound gauges 

OPTIONS 

0 : None 



P112 : TYPE OF MOUNTING 

PD01-03



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

GENERAL PURPOSE PRESSURE GAUGE 



P140 Series, General Purpose Pressure Gauge, resists against 

weather and rust under the chemical and petrochemical 

circumstances allowing continuos exposure to atmosphere. 


40, 50, 60 and 100mm 

ACCURACY 


50, 60 and 100mm : ±1.5% of Full Scale 

SCALE RANGE 

40mm : 0 ~ 2 to 0 ~ 35kgf/cm2 50mm : 0 ~ 2 to 0 ~ 100kgf/cm2 60mm : -76cmHg ~ 0 to 0 ~ 250kgf/cm2 100mm : -76cmHg ~ 0 to 0 ~ 350kgf/cm2 WORKING PRESSURE 




Ambient : -20 ~ 65˚C 

Fluid : -5 ~ 40˚C 



Brass 

ELEMENT 

40 and 50mm : Brass 

60 and 100mm : ≤100kgf/cm 2 : Brass 

>100kgf/cm 2 : 316SS 

CASE 

Polycarbonate 

COVER & WINDOW 

Polycarbonate 

MOVEMENT 

Brass 

DIAL 



POINTER 


CONNECTION 

40mm : 1/8” PT, NPT & PF 

50mm : 1/4” PT, NPT & PF 

60mm : 1/4” PT, NPT & PF 

100mm : 3/8” PT, NPT & PF 

PD01-04

PD01-04 


BASE 

P140 : 

MODEL 

GENERAL PURPOSE PRESSURE GAUGE 


0 : 40mm 

1 : 50mm 

2 : 60mm 

4 : 100mm 


A : Bottom Connection, Direct, Not available with diameter 40m and 50mm 

F : Centre Back Connection, Direct, Not available with diameter 60mm and 100mm 

ACCURACY 

4 : ±1.5% of Full Scale, Not available with diameter 40mm 

6 : ±3.0% of Full Scale, Only available with diameter 40mm 

CONNECTION 

B : 1/8” Only available with diameter 40,mm 

C : 1/4” Only available with diameter 50,60mm 

D : 3/8” Not available with diameter 40,50,60mm 


B : PF 

C : PT 

D : NPT 

Z : Other 

UNIT 



Z : Other 

RANGE 


DIAL COLOR 

P140 0 F 6 B C B 042 1 0 

1 : 2 Colors 


Compound and Vacuum gauge 

OPTIONS 

0 : None 




PD01-04

INDUSTRIAL PRESSURE GAUGE 



The P220 Series are suitable for corrosive environment. Typical applications 

include : chemical, petrochemical, refining, power & marine industry. 

Its Stainless steel case and cover have good appearance 

and excellent proof to corrosion & chemical attack. 


60, 100 and 150mm 

ACCURACY 


100 and 150mm : ±1.0% of Full Scale 

SCALE RANGE 


100mm and 150mm : -76cmHg ~ 0 to 0 ~ 2000kgf/cm 2 





Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 


IP65 



316SS 

ELEMENT 

316SS 

PD02-01 


BASE 

P220 : 

MODEL 

INDUSTRIAL PRESSURE GAUGE 


2 : 60mm 

4 : 100mm 

6 : 150mm 




G : Lower Back Connection, Direct 

L : Lower Back Connection, Flush, Case Centre Mounting Plate, Not available with diameter 150mm 

M : Lower Back Connection, Flush, Case Centre Mounting Bracket 

ACCURACY 


4 : ±1.5% of Full Scale. 

CONNECTION 

C : 1/4, Only available with diameter 60mm 

D : 3/8, Not available with diameter 60mm 

E : 1/2, Not available with diameter 60mm 


B : PF 

C : PT 

D : NPT 

Z : Other 

UNIT 



Z : Other 

RANGE 

DIAL COLOR 


P220 4 A 3 E C B 041 3 0 

3 : 2 Colors 


Compound and Vacuum Gauges 

OPTIONS 

0 : None 




PD02-01

INDUSTRIAL SERVICE PRESSURE GUAGE 



The P221Series are suitable for corrosive enviornment 

and chemical, petro-chemical, refining, power, marine & foods. 

Its Stainless steel case and cover offer good appearance 



40 and 50mm 

ACCURACY 

40mm : ± 3.0% of Full Scale 

50mm : ± 1.5% of Full Scale 

SCALE RANGE 

0~2, 4, 6, 10kg/cm 2 




Ambient : -40 ~ 80˚C 

Fluid : -20 ~ 200˚C 


IP65 




316SS 

ELEMENT 316S 


CASE & BEZEL RING 

40mm : 304SS & Polycarbonate 

50mm : 304SS & 304SS 

WINDOW 

Polycarbonate 

MOVEMENT 

Stainless Steel 

DIAL 

White Aluminium with Black Lettering, 

POINTER 



1/8”, 1/4” PT, NPT & PF 

PD02-02

PD02-02 


BASE MODEL 

P221 : INDUSTRIAL SERVICE PRESSURE GAUGE 


0 : 40mm 

1 : 50mm 

MOUNTING TYPE(Refer to Mounting Type & Dimension) 

A : Bottom Connection, Direct, Not available with diameter 40mm 

F : Center Back Connection, Direct 

ACCURACY 



CONNECTION 

B : 1/8” 

C : 1/4” 


B : PF 

C : PT 

D : NPT 

Z : Other 

UNIT 

B : kg/cm 2 

RANGE 

042 : 0~2 

044 : 0~4 

045 : 0~6 

047 : 0~10 

P220 1 F 4 C D B 047 3 0 

DIAL COLOR 

3 : 2 Colors 

OPTIONS 

O : None 




PD02-02

PD02-03 


BASE MODEL 



5 : 4 1/2 inch( 130 mm ) 


A : Bottom entry 

ACCURACY 


CONNECTION 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

F : BSPT 

G : BSP 

Z : Other 

UNIT 

B : kg/cm 2 

L : kg/cm 2 & Psi 

RANGE 

Brefer to Pressure Range Table 

DIAL COLOR 

3 : 2 Colors 

7 : 3 Colors 

P220 A 3 E D L 047 3 O 

OPTIONS 

O : None 


5 SAMPLE MODEL NUMMBER

P2205: P2205: TYPE TYPE OF OF MOUNTING 

MOUNTING 

PD02-03

LIQUID FILLED INDUSTRIAL PRESSURE GAUGE 



The P290 Series are designed to extend service life wherever 

corrosive atmosphere and severe operation conditions such as 

in pump, compressors and machine tool applications. 

The filling liquid is to absorb effect of vibration and pulsation 

constantly bathing the internal with lubricant and providing 

steady pointer leading. 


60, 100 and 150mm 

ACCURACY 


100 and 150mm : ±1.0% of Full Scale 

SCALE RANGE 


100mm and 150mm : -76cmHg ~ 0 to 0 ~ 2000kgf/cm 2 





Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 

FILLING LIQUID 

Glycerine 

DEGREE PF PROTECTION 

IP65 



316SS 

ELEMENT 

316SS 

PD02-04 


BASE 

P290 : 

MODEL 



2 : 60mm 

4 : 100mm 

6 : 150mm 




G: Lower Back Connection, Direct 

L : Lower Back Connection, Flush, Case Centre Mounting Platz, Not available with diameter 150mm 

M: Lower Back Connection, Flush, Case Centre Mounting Bracket 

ACCURACY 



CONNECTION 

C : 1/4, Only available with diameter 60mm 

D : 3/8, Not available with diameter 60mm 

E : 1/2, Not available with diameter 60mm 


B : PF 

C : PT 

D : NPT 

Z : Other 

UNIT 


C : cmHg, Only available with vacuum gauge 

Z : Other 

RANGE 


DIAL COLOR 

P290 4 A 3 E C B 041 3 0 

3 : 2 Colors 

7 : 3 Colors, Available with Compound 

and Vacuum Gauges 

OPTIONS 

0 : None 




PD02-04

RECEIVER GAUGE 



The P228 Series are designed to meet general requirements 

of the process lndustry and provide remote or local indication. 


100 and 150mm 

ACCURACY 


SCALE RANGE 

0~10 Square Root Scale 

0~100% Linear Scale 





Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



316SS 

ELEMENT 

316SS 


CASE 

304SS 

WINDOW 

Tempered Safety Glass 

COVER 304SS 

Slip-on-Fit 

MOVEMENT 

304SS 

DIAL 


Black Lettering 

POINTER 

304SS, Black painted 


1/4” PT, NPT 

PROCESS INPUT 

0.2 ~ 1kgf/cm2 PD02-05

PD02-05 


BASE 

P228 : 

MODEL 

RECEIVER GAUGE 


4 : 100mm 

6 : 150mm 



B : Bottom Connection,Surface, Case Mounting Plate 

G : Lower Back Connection, Direct 

L : Lower Back Connection, Surface, Case Mounting Plate, Not available with diameter 150mm 


ACCURACY 


CONNECTION 

C : 1/4” 


C : PT 

D : NPT 

SCALE 

X : Square Root 

W: % Linear 

RANGE 

047 : 0 ~10, Square Root Scale Only 

058 : 0 ~100%, Linear Scale Only 

DIAL COLOR 

3 : 2Colors 

OPTIONS 

P228 4 A 3 C C X 047 3 0 

0 : None 




PD02-05



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1 

PD02-05

TEST PRESSURE GAUGE 

STAINLESS STEEL CASE, MODEL : P229 SERIES 

ALUMINIUM CASE, MODEL : P335 SERIES 


The P229 and P335 series are designed for use 

in instrument shops, laboratories and other critical 

applications where a high degree of accuracy is 

required and operator error must be minimized. 


150mm 

ACCURACY 


SCALE RANGE 

-76cmHg ~ 0 and 

0 ~ 1 to 0 ~ 350 kgf/cm 2 





Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



304SS and 316SS 

ELEMENT 

316SS 

CASE 

304SS or Black Finished Aluminium 

COVER 304SS or Black Finished Aluminium 

WINDOW 

Glass 

MOVEMENT 

304SS 

DIAL 



POINTER 



3/8”, 1/2” PT, NPT & PF 

PD02-06

PD02-06 


BASE 

P229 : 

MODEL 

P335 : TEST TEST PRESSURE PRESSURE GAUGE, GAUGE, STAINLESS ALUMINIUM STEEL CASE CASE 


6 : 150mm 




G : Lower Back Connection, Direct, Not available with P335 


ACCURACY 


CONNECTION 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

UNIT 

B : kgf/cm 2 


Z : Other 

P229 6 A 2 E C C 047 2 0 

RANGE (Refer to Measuring Range Table) 

XXX 


MAT’L & DIALS 

CONNECTION 

2 : 316SS & 2 Colors 

3 : 316SS & 2 Colors 

6 : 304SS & 3 Colors, Available with 




OPTIONS 

0 : None 



P229, 335 : TYPE OF MOUNTING 

PD02-06

EURO GAUGE® 

INDUSTRIAL SERVICE PRESSURE GAUGE 



The P252 Series are suitable for corrosive environment. Typical Application include : 

chemical, petrochemical, refining, power, marine or food industry. 

Its stainless steel case and cover offer good appearance 



63, 83, 100mm and 160mm 

ACCURACY 

Model : P2522(63mm) & P2523(80mm) : 1.6 PER DIN 16 005 

Model : P2524(100mm) & P2526(160mm) : 

1.0 PER DIN 16 005 

SCALE RANGE 

63mm and 80mm : -1 ~ 0 to 0 ~ 1000 bar 

100 and 160mm : -1 ~ 0 to 0~1600 bar 





Ambient : -40~60˚C 

Fluid : +200˚C maximum 


IP65 



316SS, OPTION-316Ti(1.4571) and Monel 

Threaded entry, radial or back. 

ELEMENT 


Model : P2534(100mm) & P2526(160mm) 

PD02-07 


BASE MODEL 



2 : 63mm 

3 : 80mm 

4 : 100mm 

6 : 160mm 




F : Center back Connection, Direct, Only available with diameter 63mm 

G: Lower back Connection, Direct 

J : Center back Connection, Flush, Cover Mounting Plate, Only available with diameter 63mm 

N: Lower back Connection, Flush, Cover Mounting Plate 

ACCURACY 

3 : 1.0 Per DIN16 005, Not available with diameter 63mm & 80mm 

4 : 1.6 Per DIN16 005, Only available with diameter 63mm & 80mm 

CONNECTION 

C : 1/4”, Only available with diameter 63mm 

D : 3/8”, Not available with diameter 63mm 

E : 1/2”, Not available with diameter 63mm & 80mm 


B : PF 

C: PT 

D: NPT 

F : BSPT 

G: BSP 

Z : Other 

STEM OUTDIA. 

B : kgf/cm 2 

H : bar 

L : kgf/cm 2 & Psi 

RANGE 

P252 4 A 3 E D H 047 3 0 

PRESSURE MAT’L & DIALS CONNECTION 


3 : 316SS & 2 Colors 

4 : 316Ti & 2 Colors 

7 : 316SS & 3 Colors, 

Available with Compound and 

Vacuum Gauges 

8 : 316Ti & 3 Colors, 


Vacuum Gauges 

Z : MONEL 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER

P252 P252 : TYPE TYPE OF OF MOUNTING 

MOUNTING 

PD02-07


PROCESS INDUSTRY PRESSURE GAUGE 



The P253 Series are suitable for corrosive environment. 

Typical Application include : chemical, petrochemical, refining, 

power, marine or food industry.Its stainless steel case and cover 

offer good appearance and excellent proof to corrosion & 

chemical attack. 


63, 100mm 

ACCURACY 

Model : P2532(63mm) : 1.6 PER DIN 16 005 


SCALE RANGE 

63mm : -1~0 to 0~1000bar 

100mm : -1~0 to 0~1600bar 








IP54 



Cu Alloy 2.0460 

Threaded entry, Radial or back. 

ELEMENT 


Model : P2534(100mm) 

PD02-08 


BASE 

P253 : 

MODEL 



3 : 63mm 

4 : 100mm 





G: Lower back Connection, Direct, Only available with diameter 100mm 


N: Lower back Connection, Flush, Cover Mounting Plate, Only available with diameter 100mm 

ACCURACY 

3 : 1.0 Per DIN16 005, Not available with diameter 63mm 

4 : 1.6 Per DIN16 005, Only available with diameter 63mm 

CONNECTION 



E : 1/2”, Not available with diameter 63mm 


B : PF 

C: PT 

D: NPT 

F : BSPT 

G: BSP 

Z : Other 

UNIT 

B : kgf/cm 2 

H: bar 


RANGE 


DIAL COLOR 

1 : 2 Colors 

5 : 3 Colors 

P253 4 A 3 E D H 047 1 0 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


J 

PD02-08

PD02-09 


BASE MODEL 

P257 : SOLID FRONT SAFETY PRESSURE GAUGE 


2 : 63mm 

4 : 100mm 



G : Lower back entry 

M : Lower back entry & panel mounting flange with mounting bracket 

ACCURACY 

3 : 1.0 Per DIN16 005. Not available with diameter 63mm 

4 : 1.6 Per DIN16 005. Only available with diameter 63mm 

CONNECTION 

C : 1/4” Only available with diameter63mm 

D : 3/8” Not available with diameter 63mm 

E : 1/2” Not available with diameter 63mm 


B : PF 

C : PT 

D : NPT 

F : BSPT 

G : BSP 

Z : Other 

UNIT 

B : kg/cm 2 

H : bar 

L : Kg/cm 2 & Psi 

RANGE 


DIAL COLOR 

3 : 2 Colors 

7 : 3 Colors 

OPTIONS 

O : None 

1 : Liquid filling 

P257 4 A 3 E D L 146 3 0 SAMPLE MODEL NUMMBER


PD02-09






Typical application include : chemical, petrochemical, refining, 

power, marine or food indurstry.The filled liquid absorb 

vibration effect and pulsation pressure. 


63, 83, 100 and 160mm 

ACCURACY 

Model : P2522(63mm) & P2523(80mm) : 1.6 PER DIN 16 005 

Model : P2524(100mm) & P2526(160mm) : 

1.0 PER DIN 16 005 

SCALE RANGE 

63mm and 80mm : -1 ~ 0 to 0 ~ 1000bar 

100 and 160mm : -1 ~ 0 to 0~1600bar 




Glycerine 



Ambient : -40 ~ 60˚C 



IP65 



316SS, OPTION-316Ti(1.4571) 

and Monel 


ELEMENT 


Model : P2534(100mm) & P2526(160mm) 

PD02-10 


BASE 

P258 : 

MODEL 



2 : 63mm 

3 : 80mm 

4 : 100mm 

6 : 160mm 





G: Lower back Connection, Direct 


N: Lower back Connection, Flush, Cover Mounting Plate 

ACCURACY 

3 : 1.0 Per DIN16 005, Not available with diameter 63mm & 80mm 

4 : 1.6 Per DIN16 005, Only available with diameter 63mm & 80mm 

CONNECTION 





B : PF 

C: PT 

D: NPT 

F : BSPT 

G: BSP 

Z : Other 

UNIT 

B : kgf/cm 2 

H: bar 


RANGE 

P258 4 A 3 E D H 047 3 0 

PRESSURE MAT’L & DIALS CONNECTION 


3 : 316SS & 2 Colors 

4 : 316Ti& 2 Colors 

7 : 316SS & 3 Colors, Available 

with Compound and Vacuum Gauges 

8 : 316Ti & 3 Colors, Available 

with Compound and Vacuum Gauges 

Z : MONEL 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


J 

PD02-10


LIQUID FILLED PRESSURE GAUGE 




Typical application include : chemical, petrochemical, 

refining, power, marine or food industry The filled liquid absorbs 

vibration effect and pulsation pressure. 


63, 100 mm 

ACCURACY 



SCALE RANGE 

63mm : -1~0 to 0~1000bar 

100mm : -1~0 to 0~1600bar 





Glycerine 


Ambient : -40 ~ 60˚C 



IP54 




Threaded entry, Radial or back. 

ELEMENT 


Model : P2534(100mm) 

PD02-11 


BASE 

P259 : 

MODEL 

LIQUID FILLED PRESSURE GAUGE 


2 : 63mm 

4 : 100mm 





G: Lower back Connection, Direct, Only available with diameter 100mm 


N: Lower back Connection, Flush, Cover Mounting Plate, Only available with diameter 100mm 

ACCURACY 

3 : 1.0 Per DIN16 005, Not available with diameter 63mm 

4 : 1.6 Per DIN16 005, Only available with diameter 63mm 

CONNECTION 





B : PF 

C: PT 

D: NPT 

F : BSPT 

G: BSP 

Z : Other 

UNIT 

B : kgf/cm 2 

H : bar 


RANGE 


DIAL COLOR 

1 : 2 Colors 

5 : 3 Colors 

P259 4 A 3 E D H 047 1 0 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


PD02-11




P330 Series are designed for petroleum and 

chemical processing industries. 


75, 150mm 

ACCURACY 



SCALE RANGE 






Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 




304SS 

ELEMENT 

316SS 

C type Bourdon Tube 

CASE 

COVER 

Black Finished Aluminium 

DIAL 

White Aluminium with Black Lettering 

Black Finished Aluminium POINTER 


WINDOW 

Glass 

MOVEMENT 

75mm : Brass 

150mm : 304SS 


75mm : 3/8” PT, NPT & PF 

100mm : 3/8”, 1/2” PT, NPT & PF 

PD03-01


BASE 

P330 : 

MODEL 



3 : 75mm 

6 : 150mm 




G : Lower Back Connection, Direct, Only available with diameter 75mm 


ACCURACY 



CONNECTION 

D : 3/8” 

E : 1/2”, Not available with diameter 75mm 


B : PF 

C : PT 

D : NPT 

UNIT 



Z : Other 

RANGE 


DIAL COLOR 

P330 6 A 3 E C B 047 2 0 

2 : 2 Colors 


& Vacuum Gauges 

ACCESSORIES 

0 : None 




MOUNTING

P336, P338 : TYPE OF MOUNTING



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

SAFETY PATTERN PRESSURE GAUGE 

ALUMINIUM CASE, MODEL : P339 SERIES 

PHENOLIC CASE, MODEL : P359 SERIES 


The P339 & P359 series are widely used in industries 

such as fossil, nuclear, aerospace and marine. 

These gauge cases feature an integral wall between 

the measuring element and the window and a pressure 

relieving back for increased safety. 


125mm 

ACCURACY 

±0.5% and ±1.0% of Full Scale 

SCALE RANGE 

-76cmHg ~ 0 to 0 ~ 2000kgf/cm2 WORKING PRESSURE 




Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 


IP65 for Phenolic Case 

IP53 for Aluminium Case 



316SS 

ELEMENT 

316SS 

PD03-03 


BASE 

P339 : 

MODEL 

P359 : SAFETY SAFETY PATTERN PATTERN PRESSURE PRESSURE GAUGE, GAUGE, ALUMINIUM PHENOLIC CASE CASE 


5 : 125mm 



ACCURACY 



CONNECTION 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

UNIT 



Z : Other 

RANGE 


DIAL COLOR 

P339 5 B 3 E C B 032 7 0 

3 : 2 Colors 


Compound and Vacuum gauges 

OPTIONS 

0 : None 



P339, P339, P359 : TYPE OF MOUNTING 

MOUNTING 

PD03-03


MOUNTING 

PD04-01

LOW PRESSURE GAUGE 



The P421 Series are designed to measure low pressure, 

vacuum or compound ranges. These models have a stainsteel 316L 

measuring element which consists of two formed diaphragms which 

have been welded together. 


75, 100 and 150mm 

ACCURACY 


SCALE RANGE 

Refer to Pressure Table 





Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



100mm and 150mm : 304SS and 316SS 

75mm : Cr Plated Brass 

ELEMENT 

75mm, 100mm and 150mm : 316SS and 316LSS 

75mm : Phosphor Bronze 

Pressure Chamber : up to 3500mmH 2O 

C type Broudon Tube : 4000, 5000mmH 2O 

CASE 

304SS 

COVER 

304SS 

WINDOW 

Glass (75mm) 

Tempered Safely Glass 

(100mm and 150mm) 

MOVEMENT 

Brass 

DIAL 

POINTER 




CONNECTION 

75mm : 3/8” PT , NPT & PF 

100mm and 150mm : 3/8” 1/2” PT, NPT & PF 

PD04-02

PD04-02 


BASE 

P421 : 

MODEL 

LOW PRESSURE GAUGE 


3 : 75mm 

4 : 100mm 

6 : 150mm 

MOUNTING TYPE(Refer to Mounting type & Dimension) 



F : Centre Back Connection, Direct, Only available with diameter 75mm 

ACCURACY 


CONNECTION 

D : 3/8” 

E : 1/2”, Not available diameter 75mm 


B : PF 

C : PT 

D : NPT 

Z : OTHER 

UNIT 

G : mmH2O 

RANGE Refer to Pressure Range Table 

PRESSURE MAT’L & DIALS CONNECTION & 

P421 4 A 4 E C G 070 3 1 

1 : Brass & 2 Colors, Only available 

with diameter 75mm 

2 : 304SS & 2 Colors, Not available 

with diameter 75m 

3 : 316SS & 2 Colors, Not available 

with diameter 75m 

5 : Brass & 3 Colors, Available with 

Compound Gauge, 

Only available diameter 75mm 



Not available with diameter 75mm 



Not available with diameter 75mm 

OPTIONS 

0 : None 




PD04-02

DIAPHRAGM TYPE LOW PRESSURE GAUGE 

SCREWED PROCESS CONN. MODEL : P428 

“I” TYPE FLANGE PROCESS CONN. MODEL : P429 


P428 and P429 Series are designed to measure low, 

vacuum or compound Pressure. 

These series are consisted of diapragm which is protective 

device designed to isolate pressure gauge from corrosive, 

contaminative, hot viscous pressure media. 

DESIGN Internal Diaphragm 


100 mm 

ACCURACY 



SCALE RANGE 

-100 ~ 0 to -3000 ~ 0mmH 2O 

±50 to ± 1500mmH 2O 

0 ~ 100 to 0 ~ 4000mmH 2O 


Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 


IP44 


UPPER FLANGE (GAUGE SIDE) 

304SS and 316SS 

UNDER FLANGE (PROCESS SIDE) 

304SS, 316SS 

DIAPHRAGM 

316LSS 


Model P428 : PT and NPT, Others are available 

Model P429 : Flanges to ANSI, JIS or other Standard 

OPTIONAL EXTRAS 

-Diaphragm and lower flange are available for PTFE 

Coating or PTFE Lining. 

PD04-03

PD04-03 


BASE 

P428 : 

MODEL 

P429 : SCREWED “I” TYPE FLANGE PROCESS PROCESS CONNECTION CONNECTION DIAPHRAGM DIAPHRAGM 

GAUGE MODEL 

XA : P421 

UPPER FLANGE & DIAPHRAGM MATERIAL 

B : 304SS & 316LSS 

J : 316SS & 316LSS 

PROCESS CONNECTION TYPE 

XX : Refer to Process Connection Type Table 

UNIT 

G : mmH 2O 

Z : Other 

RANGE 

XXX : Refer to Pressure Range Table 

P428 XA B KB G 122 B 0 

LOWER FLANGE MATERIAL 

B : 304SS 

D : 316SS 

E : 316LSS 

L : 304SS + COATING 

M: 304SS + LINING 

N : 316SS + COATING 

P : 316SS + LINING 

Z : Other 

OPTIONS 

0 : None 




MOUNTING 

PD04-03

LOW PRESSURE GAUGE WITH 

ALUMINIUM CASE 



The P430 Series are designed to measure 

Low Pressure or vacuum or compound pressure. 

These models have a stainless steel 316L 

measuring element. which consists of two formed 

diaphragms which have been welded together. 

NORMAL DIAMETER 

100 and 150mm 

ACCURACY 


SCALE RANGE 

-3000 ~ 0 to -200 ~ 0mmH2O 

-1500 ~ 1500 to -100 ~ 100mmH2O and 

0 ~ 200 to 0 ~ 4000mmH2O 





Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



Brass, 304SS and 316SS 

ELEMENT 

316SS and 316LSS 

CASE 


COVER 


WINDOW 

Glass 

MOVEMENT 

Brass 

DIAL 



POINTER 


CONNECTION 

3/8”, 1/2” PT, NPT & PF 

PD04-04


MOUNTING 

PD04-04

LOW PRESSURE GUAGE WITH 

Cr PLATED STEEL CASE 



The P440 Series designed to measure 

low pressure,vacuum or compound ranges. 

These model have a stainless steel element 

and Cr plated steel case. 


100 mm 

ACCURACY 

± 1.5% of Full Scale 

SCALE RANGE 

Refer to range table 


Steady : 75% Full Scale 



Ambient : -20 ~ 65 ˚C 

Fluid : -20 ~ 80 ˚C 



Cr plated BRASS 

Threaded entry, Radial. 

ELEMENT 

316SS 

C Type Bourdon Tube: 4000, 5000mmH2O 

Pressure chamber:up to 3500mmH2O 


Cr plated Steel 

WINDOW 

Glass 

MOVEMENT 

BRASS 

DIAL 

White Aluminium with Black Lettering, 

POINTER 



3/8” ,1/2’”PT,NPT & PF 

PD04-05

PD04-05 


BASE MODEL 

P440 : LOW PRESSURE GAUGE WITH Cr PLATED STEEL CASE 


4 : 100mm 


A : Bottom connection,Direct 

ACCURACY 

4 : ±1.5 % of Full Scale 

CONNECTION 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

UNIT 

G : mmH2O 

RANGE 


DIAL COLOR 

1 : 2 Colors 

P440 4 B 4 D B G 125 1 0 

OPTIONS 

0 : None 




MOUNTING 

PD04-05


BASE 

P511 : 

MODEL 

P512 : ELECTRIC 

ELECTRIC CONTACT 

CONTACT 

TYPE 

TYPE 



GAUGE(HIGH 

GAUGE(HIGH/LOW 

ALARM 

ALARM 

CONTACT) 

P513 : ELECTRIC CONTACT TYPE PRESSURE GAUGE(LOW ALARM CONTACT) 

CONTACT) 

P514 

P515 : ELECTRIC 

ELECTRIC 

CONTACT 

CONTACT TYPE 

TYPE 



GAUGE(HIGH/HIHIGH 

GAUGE(LOW/LOLOW ALARM 

ALARM 

CONTACT) 

CONTACT) 


4 : 100mm 



B : Bottom entry & Surface mounting flange 

G : Lower back entry 

N : Lower back entry & panel mounting flange 

ACCURACY 

3 : 1.0 Per DIN16 005 

CONNECTION 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

F : BSPT 

G : BSP 

Z : Other 

UNIT 

B : kg/cm2 H : bar 

RANGE 

Brefer to Pressure Range Table 

P511 4 A 3 E D B 146 3 0 

DIAL COLOR 

3 : 2 Colors 

7 : 3 Colors 

OPTIONS 

O : None 

1 : Liquid filling & 

Oil tight contact 

PD05-01 


PD05-01 

P510 : TYPE OF MOUNTING


ELECTRICAL CONTACTS PRESSURE GAUGE 

MODEL : P521(H), P522(H/L), P523(L), P524(H/HH), P525(L/LL) 


The P520 Series designed for local reading of measured 

pressure and equipped with electrical contact block 

that allow all the combinations of contact to be used. 

The contact block is mounted on the dial. 

The windows is fitted with a knob for external adjustment 

of the set points. 


100mm 

ACCURACY 

SCALE RANGE 

-1~0 to 0~1600 bar 

1.0 PER DIN 16 005 for pressure indication. 



Over Range Protection :130% of Full Scale 



Fluid : -20~80˚C 


IP65 



316SS, OPTION-316Ti(1.4571) 


ELEMENT 

316SS, OPTION-316Ti(14571) 

PD05-02 


BASE 

P521 

MODEL 

P522 : ELECTRICAL CONTACT TYPE PRESSURE GAUGE (HIGH ALARM) 

P523 

: ELECTRICAL CONTACT TYPE PRESSURE GAUGE (HIGH & LOW ALARM) 

P524 : ELECTRICAL CONTACT TYPE PRESSURE GAUGE (LOW ALARM) 

P525 : ELECTRICAL CONTACT TYPE PRESSURE GAUGE (HIGH (LOW&LOLOW & HIHIGH ALARM) ALARM) 


4 : 100mm 




G : Lower Back Connection, Flush, Cover Mounting Plate 

ACCURACY 

3 : ±1.0 Per DIN16 005 

CONNECTION 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

F : BSPT 

G : BSP 

Z : Other 

UNIT 

B : kgf/cm 2 

H : bar 

RANGE 

P522 4 A 3 E D H 047 3 0 


MAT’L & DIALS 

CONNECTION 


3 : 316SS & 2 Colors 

4 : 316Ti& 2 Colors 

7 : 316SS & 3 Colors, 


Vacuum Gauges 

8 : 316Ti & 3 Colors, 


Vacuum Gauges 

OPTIONS 

0 : None 

2 : Liquid filling 

SAMPLE MODEL NUMBER


PD05-02 CAT-

ELECTRICALCONTACT PRESSURE GAUGE 

WITHSTEELCASE 

MODEL : P531, P532, P533, P534, P539 SERIES 


P530 Series is designed for local reading of measured 

pressure and is equipped with an electrical contact 

block that allow all the combinations of contacts to be used. 

The contact block is mounted on the dial. 

The window is fitted with a knob for external adjustment 

of the set points. 


100 mm and 150mm 

ACCURACY 


SCALE RANGE 

-76cmHg ~ 0 to -76cmHg ~ 20kgf/cm 2 and 

0 ~ 1kgf/cm 2 to 0 ~ 700kgf/cm 2 




Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



PRESSURECONNECTION 

Brass, 304SS and 316SS 

ELEMENT 

100mm 

PD05-03 


BASE 

P531 : 

MODEL 

P532 : HIGH ALARM AND LOW CONTACT ALARM TYPE CONTACT PRESSURE TYPE GAUGE 

P533 : LOW ALARM CONTACT TYPE PRESSURE GAUGE PRESSURE GAUGE 

P534 P539 : 

HIGH 

HIGH 

AND 

ALARM 

HIHIGH 

CONTACT 

ALARM 

TYPE 

CONTACT 


TYPE 



FOR TRANSFORMER 



4 : 100mm 

6 : 150mm, Not available with Model P539 Series 



B : Bottom Connection, Surface, Case Mounting Plate. Not available with Diameter 150mm 

G : Lower Back Connection, Direct, Not Available with diameter 100mm. Only available with Model P539 

L : Lower Back Connection, Flush, Case Centre Mounting Plate 

M: Lower Back Connection, Flush, Cover Centre Mounting Bracket, Only available with Diameter 150mm 

ACCURACY 



D : 3/8” 

E : 1/2”, Only Available with “L” Mounting Type 


C : PT 

D : NPT 

B : PF 

Z : Other 

UNIT 

B : kgf/cm 2 

C : cmHg 

Z : Other 


PRESSURE MAT’L AND CONNECTION DIALS COLOR 

P531 4 A 4 D C B 041 1 0 

1 : Brass & 2 Colors 

2 : 304SS & 2 Colors 

3 : 316SS & 2 Colors 

5 : Brass & 3 Colors, Available 

with Compound and Vacuum 

Gauge 

6 : 304SS & 3Colors, Available 


Gauge 

7 : 316SS & 3Colors, Available 


Gauge 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER

P530 SERIES SERIES : TYPE OF MOUNTING 

MOUNTING 

PD05-03

INDICATING PRESSURE SWITCH 

MODEL : P535, P536 SERIES 


P535 and P536 Series indicating Pressure Switch 

are micro contact type, suitable for corrosive fluid and 

high pressure measurement. Deadband is fixed. 


150mm 

REPEATABILITY 

±1.0% of Adjustable Range 

ADJUSTABLE RANGE 

-76cmHg~0 to -76cmHg~20 kgf/cm2 and 

0~1 to 0~350 kgf/cm2 Standard Features 


316SS 

ELEMENT 

C Type Bourdon.Tube, 

316SS 

CASE & COVER 

AC7A-F, Silver Gray Painted 

CONTACT 

Micro Contact Type 

One SPDT or Two SPDT 

DPDT 

CONTACT RATING 

-AC 125V/250V, 15A and DC 30V, 2A 

DC 125V, 0.5A for Resistance Load 

-AC 125V/250V, 15A and DC 30V, 1A 

DC 125V, 0.05A for Inductive Load 


3/8”, 1/2” PT, NPT and PF 

CONDUIT CONNECTION 

3/4” PF 

PD05-04

PD05-04 


BASE 

P535 : 

MODEL 

P536 : INDICATING INDICATING PRESSURE PRESSURE SWITCH SWITCH (SINGLE (DUAL SET SET POINT) POINT) 


6 : 150mm 

MOUNTING 


UNUSED CHARACTER 

4 


D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

MEASURING UNIT 


C : cmHg, Only available with Vacuum gauge 

RANGE(Refer to Scale Range Table) 

P535 6 B 4 E C B 041 3 0 

XXX 

DIAL COLOR 

3 : 2 Colors 


and Vacuum gauges 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


MOUNTING 

PD05-04

ELECTRICAL CONTACTS PRESSURE GAUGE 

WITH Cr PLATED Zn CASE 



The P542 Series designed for local reading of measured 

pressure and equipped with electrical contact block 

that allow all the combinations of contacts to be used. 

The windows is fitted with a knob for external adjustment 

of the set points. These are designed to measure Insulation 

oil pressure for electric cables. 


100mm 

ACCURACY 


SCALE RANGE 

-76cmHg ~ 6kgf/cm2 or -76cmHg ~ 10kgf/cm2 WORKING PRESSURE 




Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



304SS 

Threaded entry, Radial. 

ELEMENT 

316SS 



Cr plated Zn 

Screw Type 

CONTACTS 

Contact :Dual Set point 

Contact Rating : AC 110V, 0.5A/AC220V, 0.25A 

Dielectric Strength : AC2000V/min Insulation 

Resistance : More than 100Mohm at DC 500V 

MOVEMENT 

Brass 

DIAL 

White Aluminium With Black Graduations 

POINTER 

Brass, Black painted 

WINDOW 

Tempered Safety Glass 


3/8” PF 

PD05-05

PD05-05 


BASE 

P542 : 

MODEL 

ELECTRIC CONTACT PRESSURE GAUGE (DUAL CONTACT) 


4 : 100mm 


B : Bottom entry & Surface mounting flange 

ACCURACY 


CONNECTION (process connection) 

D : 3/8” 


B : PF 

UNIT 

B : kgf/cm 2 + cmHg 

RANGE 

031 : -76 ~ 6 

032 : -76 ~10 

DIAL COLOR 

6 : 3 Colors 

P542 4 B 4 D B B 031 6 0 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


MOUNTING 

PD05-05

89 



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

DIFFERENTIAL PRESSURE GAUGE 

MODEL : P620, P630 SERIES 


P620 & P630 Series Differential Pressure Gauge is 

designed for measurement of differential pressure up 

to 100kgf/cm 2 . a set of two stainless steel bellows mounted 

on a force balance enables direct reading of the actual 

differential pressure. 


150mm 

ACCURACY 


SCALE RANGE 

0~500 to 0~5000 mmH2O and 

0~1 to 0~10 kgf/cm 2 


P620 : Max. Working Pressure : 50kgf/cm 2 

P630 : Max. Working Pressure : 100kgf/cm 2 


Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 



316SS, Monel 

ELEMENT 

Bellows (316LSS), Monel 

CASE & COVER 

304SS 

DIAL 



POINTER 


CONNECTION 

1/4” PT 

1/2” PT and NPT at 3-Valve Manifold 

STANDARD ACCESSORIES 

• 3-valve Manifold(316SS) 

• Mounting Bracket for 2” Pipe Mounting 

Silver gray Finished Steel 

OPTIONAL 

• Remote Seal 

PD06-01

PD06-01 


P620 

BASE 

: 

MODEL 

P630 : DIFF. DIFF. PRESSURE PRESSURE GAUGE GAUGE (Max (Max Working Working Pressure Pressure : 50kgf/cm2) 100kgf/cm2) 


6 : 150mm 

MOUNTING TYPE (Refer to Mounting Type & Dimension) 

D : Bottom Connection, Mounting Bracket for 2” Pipe 

ACCURACY 

4 : 1.5% of Full Scale 


C : 1/4” 

E : 1/2”(Only 3-valve manifold) 


C : PT 

D : NPT 

UNIT 

B : kgf/cm 2 

G : mmH2O 

RANGE 

DIAL COLOR 

P620 6 D 4 E D B 047 3 1 

041 : 0~1kgf/cm 2 

042 : 0~2kgf/cm 2 

043 : 0~3kgf/cm 2 

044 : 0~4kgf/cm 2 

045 : 0~6kgf/cm 2 

047 : 0~10kgf/cm 2 

120 : 0~500mmH2O, Not available with remote 

seal type 


seal type 


seal type 


seal type 

080 : 0~5000mmH2O 

3 : 2 Colors 

OPTIONS 

0 : Standard 

(2 inch Mounting Bracket) 


(3-valve manifold) 

SAMPLE MODEL NUMBER 

PD06-01

PD06-01 

P620, P630 : TYPE OF MOUNTING 

PD06-01



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

PD06-02 

DIFFERENTIAL PRESSURE GAUGE 

WITH ELECTRICAL CONTACT 



P621 to P625 series are designed to measure 

differential pressure from 500mmH2O to 10kgf/cm 2 

at static pressure up to 50kgf/cm 2 and have electrical 

contact. P621 to P625 series are to be intended 

to control and alarm for differential pressure, providing 

right time to replace air and sludge filter in the process. 


150mm 

ACCURACY 


SCALE RANGE 

0 ~ 500 to 0 ~ 5000mmH2O and 

0 ~ 1 to 0 ~ 10kgf/cm 2 


Max. Working Pressure : 50kgf/cm 2 


Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 


IP65 



316SS 

ELEMENT 

Bellows, 316LSS 


304SS 

Bayonet Type 

DIAL 



CONTACT 

Contact Rating : 0.5A at 110V AC 

0.25A at 200V AC 

Dielectric Strength : AC 1000A/MIN 


1/2” (N) PT Female 


WINDOW 

Glass 

POINTER 

Cu alloy, Black painted 


1/4”, PT 

1/2”, PT and NPT at 3 valve manifold 


-3 valve manifold(316SS) 

-Mounting Bracket for 2” Pipe Mounting 

Silver gray finished 

OPTIONS 

Remote Seal 

PD06-02

PD06-02 


P621 

BASE 

: 

MODEL 

P622 : HIGH HIGHAND ALARM LOW CONTACT ALARM DIFF, CONTACT PRESSURE DIFF, PRESSURE GAUGE 

P623 : LOW ALARM CONTACT DIFF, PRESSURE GAUGE 


P624 P625 : 

HIGH 

LOWANDLOLOW 

AND HIHIGH 

ALARM 

ALARM 

CONTACT 

CONTACT 

DIFF, 

DIFF, 






6 : 150mm 


D : Bottom Connection, Mounting Bracket for 2” Pipe 

ACCURACY 



C : 1/4” 

E : 1/2” 


C : PT 

D : NPT 


N : Standard 

S : 1/2” (N)PT Female 

D : 3/4” (N)PT Female 

RANGE 

041 : 0~1kgf/cm 2 

042 : 0~2kgf/cm 2 

043 : 0~3kgf/cm 2 

044 : 0~4kgf/cm 2 

045 : 0~6kgf/cm 2 

047 : 0~10kgf/cm 2 

120 : 0~500mmH2O, Not available with 

Remote Seal type 





080 : 0~5000mmH2O 

DIAL COLOR 

3 : 2 Colors 

OPTIONS 

0 : Standard 

(Mounting Bracket for 2” Pipe) 



P623 6 D 4 E D N 047 3 1 SAMPLE MODEL NIUMBER

P621 TO P625 : TYPE OF MOUNTING 

PD06-02

PD06-03 

HIGH STATIC DIFFERENTIAL PRESSURE GAUGE 

WITH ELECTRICAL CONTACT 



P631 to P635 series are designed to measure 

differential pressure from 500mmH2O to 10kgf/cm 2 

at static pressure up to 100kgf/cm 2 and have electrical 

contact. P631 to P635 are intended to control alarm 

for differential pressure, providing right time to replace 

air and sludge filter in the process. 


150mm 

ACCURACY 


SCALE RANGE 

0 ~ 500 to 0 ~ 5000mmH2O and 

0 ~ 1 to 0 ~ 10kgf/cm 2 


Max. Working Pressure : 100kgf/cm 2 


Ambient : -20 ~ 65˚C 

Fluid : -20 ~ 80˚C 


IP65 



316SS 

ELEMENT 

Bellows, 316LSS 


304SS 

Bayonet Type 

DIAL 



CONTACT 

Contact Rating : 0.5A at 110V AC 

0.25A at 200V AC 

Dielectric Strength : AC 1000A/MIN 




WINDOW 

Glass 

POINTER 

Cu alloy, Black painted 


1/4”, PT 

1/2”, PT and NPT at 3-valve manifold 


- 3-valve manifold(316SS) 

- Mounting Bracket for 2” Pipe Mounting 

Silver grey finished 

OPTIONS 

Remote Seal 

PD06-03

PD06-03 


P631 

BASE 

: 

MODEL 

P632 : HIGH ALARM AND LOW CONTACT ALARM DIFF, CONTACT PRESSURE DIFF, GAUGE 

P633 : LOW ALARM CONTACT DIFF, PRESSURE GAUGE 

PRESSURE GAUGE 

P634 P635 : 

HIGH 

LOWANDLOLOW 

AND HIHIGH 

ALARM 

ALARM 

CONTACT 

CONTACT 

DIFF, 

DIFF, 






6 : 150mm 


D : Bottom Connection, Mounting Bracket for 2”pipe” 

ACCURACY 



C : 1/4” 

E : 1/2” 


C : PT 

D : NPT 


N : Standard 

S : 1/2” (N)PT Female 

D : 3/4” (N)PT Female 

RANGE 

041 : 0~1kgf/cm 2 

042 : 0~2kgf/cm 2 

043 : 0~3kgf/cm 2 

044 : 0~4kgf/cm 2 

045 : 0~6kgf/cm 2 

047 : 0~10kgf/cm 2 







080 : 0~5000mmH2O 

DIAL COLOR 

3 : 2 Colors 

OPTIONS 

0 : Standard 

(Mounting Bracket for 2” Pipe) 



P635 6 D 4 E D N 047 3 1 SAMPLE MODEL NIUMBER

P631 TO P635 : TYPE OF MOUNTING 

PD06-03

DIAPHRAGM SCREWED PROCESS SEALS CONN. TYPE PRESSURE MODEL : P710 GAUGE 

“ I” TYPE PROCESS CONN. MODEL : P720 SERIES SERIES 

FLAT TYPE FLANGE PROCESS CONN. MODEL : P730 SERIES 


Where the process medium would corrode the instrument 

connection and pressure sensing element. 

Where the process medium contains suspended 

solids or is sufficiently viscous to clog the instrument 

connection and pressure sensing element. 

Where the process medium might freeze or solidify 

in the instrument connection and pressure sensing 

element due to ambient or process temperature change. 

Where the process medium requires flushing from 

the system to prevent contamination. 

DESIGN Internal Diaphragm 

ACCURACY 

Refer to Gauge Model 

SUITABLE PRESSURE RANGE 

-76cmHg ~ 0 to -76cmHg ~ 20kgf/cm2 0 ~ 1 to 0 ~ 250kgf/cm2 FILLING LIQUID 

Silicon Oil KF96(-20~200˚C) 


Temperature rating of the diaphragm seals depend on the 

fill fluid, the diaphragm material and the lower housing 

material. Standard fill fluids are available for temperature 

ranges from -20˚C to 200˚C 

DIAPHRAGM MATERIAL 

Diaphragms are available in many corrosion resistant 

materials. Compatibility of selected material and process 

fluid is the responsibility of user. 


UPPER FLANGE (GAUGE SIDE) 

304SS, 316SS 

DIAPHRAGM 

316LSS, Monel, Hastelloy-C 

Titanium, Tantalum 

UNDER FLANGE(PROCESS SIDE) 

304SS, 316SS, 316LSS 

Monel, Hastelloy-C, Titanium 

P710 P720 

P730 


Model P710 : PT and NPT, Others Feasible 

Model P720, P730 : Flanges to ANSI, JIS or other Standard 

OPTIONAL EXTRAS 

-Diaphragm and lower flange are available in PTFE 

Coating or PTFE Lining (See Note) 

-Lower body (Process side) are available in purging 

plug or Heater jacket. 

NOTE 

-PTFE Lining is available up to 70kgf/cm 2 

for P720 and P730 Series. 

PD07-01

PD07-01 


BASE 

P711 : 

MODEL 

P712 : SCREWED PROCESS CONNECTION DIAPHRAGM REMOTE DIAPHRAGM SEAL 

P721 : “I” TYPE FLANGE PROCESS CONNECTION DIAPHRAGM SEAL 

SEAL 

P722 P731 : “I” FLAT TYPE TYPE FLANGE FLANGE PROCESS PROCESS CONNECTION CONNECTION REMOTE DIAPHRAGM DIAPHRAGM SEAL SEAL 

P732 : FLAT TYPE FLANGE PROCESS CONNECTION REMOTE DIAPHRAGM SEAL 

GAUGE MODEL AND MOUNTING TYPE 

XX : Refer to Gauge Model and Mounting Type Table 

UPPER FLANGE & DIAPHRAGM MATERIAL 

B : 304SS & 316LSS 

C : 304SS & Monel 

D : 304SS & Hastelloy -C 

E : 304SS & Titanium 

F : 304SS & Tantalum 

G : 304SS & 316LSS + Coating 

H : 304SS & 316LSS + Lining 

J : 316SS & 316LSS 

K : 316SS & Monel 

L : 316SS & Hastelloy -C 

M: 316SS & Titanium 

N : 316SS & TANTALUM 

P : 316SS & 316LSS + Coating 

Q : 316SS & 316LSS +Lining 

PROCESSCONNECTIONTYPE 

UNIT 

XX : Refer to Process Connection Type Table 

B : kgf/cm 2 (Pressure) or cmHg+kgf/cm 2 (Compound) 

C : cmHg, Only available with vacuum gauges 

Z : Other 

RANGE TABLE 

P711 2A B ED B 052 D 0 

XXX : Refer to Pressure Range Table 

UNDER FLANGE MATERIAL 

B : 304SS 

D : 316SS 

E : 316LSS 

F : Monel 

G : Hastelloy -C 

H : Titanium 

K : Inconel 600 

L : 304SS + Coating 

M: 304SS + Lining 

N : 316SS + Coating 

P : 316SS + Lining 

Z : OtherOPTIONS 

0 : None 


7 : Capillary Length 2metre, 

Only available with Remote Diaph.Seal 

8 : Capillary Length 3metre, 

Only available with Remote Diaph.Seal 

9 : Other 


PD07-01


PD07-01

CAT PD07-01 - 105 

Process Connection Type Table-8th and 9th Characters 

8th Character 

Code Connection Size 

C 1/4”(8A) 

D 3/8”(10A) 

EFGHJKL 1/2”(15A) 

3/4”(20A) 

1”(25A) 

11/4”(32A) 

11/2”(40A) 

2”(50A) 

21/2”(65A) 

M 3”(80A) 

N 4”(100A) 

Z 

Other 

9th Character 

For Model P711, P712 For Model 

P731, 

P721, 

P732 

P722, 

Code Flange Rating Code Connection Type 

B PF B 

C PT C 

D NPT D 

EFGHJ UNF EFGHJKL 

BSPT 

BSPF 

NPS 

M 

Z 

Other 

M NPQRSTUZ 

ANSI 150# RF 

ANSI 150# FF 

ANSI 150# RFSF 

ANSI 300# RF 

ANSI 300# FF 


ANSI 600# RF 

ANSI 600# FF 


JIS 10K RF 

JIS 10K FF 

JIS 10K RFSF 

JIS 20K RF 

JIS 20K FF 

JIS 20K RFSF 

JIS 30K RF 

JIS 30K FF 

JIS 30K RFSF 

Note : P730 Series is not available with 3/4” Flange Process connection 

Other

Available Gauges Model and Mounting Type Table - 5th and 6th Characters 

CODE Gauge Model (Nominal 

& Mounting Diameter) Type Remark CODE Gauge Model (Nominal 

& Mounting Diameter) Type Remark 

1A 

2A P220(100mm) 

P220(60mm) & 

A 

Type 

P220(100mm) & B 

Type 

DB P339(125mm) & B Type 

2B 

P220(100mm) & L Type 

Type -Only available Remote Diaphragm Seal Type EB P359(125mm) & B Type 

2L 

-Only available Remote Diaphragm Seal Type FB P531(100mm) & B Type 

2M P220(100mm) 

P220(150mm) 

& 

M 

A Type 

Type -Only available Remote Diaphragm Seal Type P531(100mm) & L Type 

3A 

GA 

FL 

P531(150mm) & A Type 

3B 

P220(150mm) 

P220(150mm) 

& M 

B Type -Only available Remote Diaphragm Seal Type P531(150mm) & L Type 

3M 

P290(60mm) & A Type 

Type 

HB 

GL 

P532(100mm) & B Type 

4A 

HL P532(100mm) & L Type 

5A P290(100mm) 

P290(100mm) 

& 

A 

B 

Type 

JA P532(150mm) & A Type 

5B 

P290(100mm) & L Type 

Type -Only available Remote Diaphragm Seal Type JL P532(150mm) & L Type 

5L 

-Only available Remote Diaphragm Seal Type KB P533(100mm) & B Type 

5M P290(100mm) 

P290(150mm) 

& 

M 

A 

Type -Only available Remote Diaphragm Seal Type KL P533(100mm) & L Type 

6A 

P290(150mm) & B Type 

Type 

LA P533(150mm) 

P533(150mm) 

& 

A 

L Type 

Type 

6B 

-Only available Remote Diaphragm Seal Type LL 

6M P290(150mm) 

P252(63mm) & A 

M 

Type 

Type -Only available Remote Diaphragm Seal Type MB P534(100mm) 

P534(100mm) 

& 

B 

L Type 

Type 

7A 

ML 

7B P252(63mm) 

P252(63mm) 

& 

B 

J Type 

Type -Only available Remote Diaphragm Seal Type NA P534(150mm) 

P534(150mm) 

& 

A 

L Type 

Type 

7J 

-Only available Remote Diaphragm Seal Type NL 

7N 

P252(100mm) 

P252(63mm) & 

N 

A 

Type -Only available Remote Diaphragm Seal Type P535(150mm) & B Type 

8A 

P252(100mm) & B 

Type 

QB 

PB 

P536(150mm) & B Type 

8B 

P252(100mm) & N 

Type -Only available Remote Diaphragm Seal Type RB P620 

8N 


Type -Only available Remote Diaphragm Seal Type RC P621 

9A 

RD P622 

9B P253(63mm) 

P253(63mm) 

& 

B 

J Type 

Type -Only available Remote Diaphragm Seal Type RE P623 

9J 

-Only available Remote Diaphragm Seal Type RF P624 

9N 

P253(100mm) 

P253(63mm) & 

N 

A 

Type -Only available Remote Diaphragm Seal Type RG P625 

AA 

P253(100mm) & B 

Type 

TZ P941 

AB 

P253(100mm) & N 

Type -Only available Remote Diaphragm Seal Type UZ P942 

AN 


Type -Only available Remote Diaphragm Seal Type VZ P951 

BA 

WZ P952 

BB 

P330(75mm) 

P330(75mm) 

& M 

B Type -Only available Remote Diaphragm Seal Type ZZ Other 

BM 

P330(150mm) & A 

Type -Only available Remote Diaphragm Seal Type 7P P258(63mm) & A Type 

CA 

P330(150mm) & B 

Type 

7Q P258(63mm) & B Type 

CB 

P330(150mm) & M 

Type -Only available Remote Diaphragm Seal Type 7R P258(63mm) & J Type 

CM Type -Only available Remote Diaphragm Seal Type 7S 

8P P258(100mm) 

P258(63mm) & 

N 

A 

Type 

8Q P258(100mm) & B 

Type 

8S P258(100mm) & N 

Type 

Type 

-Only available Remote Diaphragm Seal Type 














PD07-01 CAT -

HIGH TEMPERATURE PRESSURE GAUGE 



P740 Series have diaphragm seal to be combined with 

pressure gauge and measure the melted plastics, fiber 

and synthetic under high temperature. P740 series are 

suitable for corrosive, contaminated, hot or viscous pressure 

media in chemical and food process. 

PRESSURE RANGE 

Refer to Range Table 

Depending on diaphragm size and process conditions 

ACCURACY 



Silicon Oil 


Maximum Temperature rate of diaphragm seal 

depends on the filled liquid and material of wetted parts. 

Standard filled liquid are available for temperature range from 

-20˚C to 330˚C 


BODY 

316SS 


304SS 

PF 3/4 and PF1 Male screw 

DIAPHRAGM 

316LSS 

POCKET 

316LSS 

80mm, 150mm and 300mm 

PD07-02

PD07-02 


BASE 

P741 : 

MODEL 

P742 : HIGH HIGH TEMPERATURE TEMPERATURE PRESSURE PRESSURE GAUGE GAUGE WITH REMOTE SEAL 

GAUGE MODEL & MOUNTING TYPE 

2A : 100mm(P220 Model), Bottom Connection 

8A : 100mm(P252 Model), Bottom Connection 

2B : 100mm(P220 Model), Bottom Conection, Surface, Case Mainting Plate(P742) 

8B : 100mm(P252 Model), Bottom Conection, Surface, Case Mainting Plate(P742) 

BODY & PROCESS CONNECTION MATERIAL, POCKET LENGTH 

A : 316SS & 80mm 

B : 316SS & 150mm 

C : 316SS & 300mm 


FB : 3/4PF 

GB : 1PF 

ZZ : Other 

UNIT 

B : kgf/cm 2 

H : bar 

(See Note 1) 



E : 316LSS 

OPTIONS 

0 : None 


7 : Capillary Length 2 metre, Only 

available P742 Model 

8 : Capillary Length 3 metre, Only 

available P742 Model 

9 : Other 

P741 2A B GB B 045 E 0 SAMPLE MODEL NUMBER 

Note 

1. Max Temperature and Pressure of pressure medium must be specified on Order Sheet.

P741, P742 : TYPE OF MOUNTING MOUNTING 

PD07-02


PD07-03

PD07-04 


(See Note 1) 

BASE 

P757 : 

MODEL 

FIXED SCREW TYPE SAIRARY PRESSURE GAUGE 

GAUGE MODEL & MOUNTING TYPE 

BODY & PROCESS CONNECTION MARERIAL 

D : 316SS 


UNIT 

RANGE 

P757 8A D FC B 058 E O 

Note 

SA : 80mm, Bottom connection, P252 Series 

8A : 100mm, Bottom connection, P252 Series 

FC : 3 /4PT 

GC : 1PT 

HC : 1 1 /4PT 

FD : 3 /4PT 

GD : 1NPT 

HD : 1 1 /4PT 

ZZ : Other 

B : kg/cm 2 

H : bar 

Z : Other 

1. Max Temperarure and Pressure of pressure medium will be specified on Order Sheet. 



E :316LSS 

T : TEFLON, Only avaailable 3 /4, 1 PT &NPT 

Z : Other 

OPTIONS 

O : None 




MOUNTING 

PD07-04

PD09-01 



BASE 

P910 : 

MODEL 

P911 : 

DEAD 

DEAD 

WEIGHT 

WEIGHT 

TESTER(CALIBRATION 

TESTER(CALIBRATION 

RANGE 

RANGE 

: 

50kgf/cm2) 

100kgf/cm2) 

P910 

Dead Weight Tester 

Model No. P910 

Range Maximum 

Range Maximum 

Minimum unit pressure 

Area of ram 

Diameter of ram 

Dead-weight 

Corresponds 

to (kgf/cm2) 

Tester 

Ram 

Ram 0.5kgf/cm2 

1.0kgf/cm2 

0.5kgf/cm2 

Dead 1.0kgf/cm2 

Weight 2.0kgf/cm2 

5.0kgf/cm2 

10.0kgf/cm2 

Total 

Weight 

Box Weight 

Weight 

Weight 

00000000000 

00000000000 

P911 

50kgf/cm2 100kgf/cm2 

0.5kgf/cm2 1.0kgf/cm2 


1/2cm2 1/4cm2 

7.9792mm 5.642mm 

1PCS 

1PCS 

1PCS 

2PCS 2PCS 

1PCS 1PCS 

9PCS 1PCS 

9PCS 


78kg 78kg 

7.5kg 7.5kg 

12.5kg 

2.75kg 

25kg 

2.75kg 


SPARE PARTS & TOOL 

Standard Accessories Q’ty(pcs) 

Union 1/2” 2 

Union 3/8” 1 

Union 1/4” 1 

300mm Wrench 1 


L Type union 1/2” 1 

Packing for Union 10 

Packing for Piston 4 

Hammer 1 

Pointer Remover 1 

Oil Drum 1


MOUNTING 

PD09-01

119 



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

PD09-02 


BASE 

P912 : 

MODEL 

P913 : DEAD DEAD WEIGHT WEIGHT TESTER(CALIBRATION TESTER(CALIBRATION RANGE RANGE : 300kgf/cm2) 500kgf/cm2) 

P912 

Dead Weight Tester 

Model No. P912 

Range Maximum 

Range Maximum 

Minimum unit pressure 

Area of ram 

Diameter of ram 

Ram 2.0kgf/cm2 

Dead-weight 

Corresponds 

to (kgf/cm2) 

Tester 

Ram 

1.0kgf/cm2 

2.0kgf/cm2 

3.0kgf/cm2 

Dead 5.0kgf/cm2 Weight 

10.0kgf/cm2 

20.0kgf/cm2 

00000000000 

00000000000 

50.0kgf/cm2 

Total Weight 

Box Weight 

Weight 

Box Weight 

P913 




1/8cm2 1/8cm2 

3.9894mm 3.9894mm 

1PCS 1PCS 

1PCS 1PCS 

2PCS 2PCS 

1PCS 1PCS 

1PCS 1PCS 

1PCS 1PCS 

2PCS 2PCS 

5PCS 9PCS 


18kg 18kg 

9.5kg 9.5kg 

39.375kg 

4.5kg 


64.375kg 

5.5kg 


SPARE PARTS & TOOL 

Standard Accessories Q’ty(pcs) 

Union 1/2” 2 

Union 3/8” 1 

Union 1/4” 1 



L Type union 1/2” 1 

Packing for Union 10 

Packing for Piston 6 

Hammer 1 

Pointer Remover 1 

Oil Drum 1

P912, P912, 913 : TYPE OF MOUNTING 

MOUNTING 

PD09-02

123 



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

PRESSURE RECORDER 



P920 Series Pressure Recorder provides a single pen 

10 inch circular chart recorder for measurement 

and recording. Suitable for hazardous environment 

such as gas or chemical process. 

ACCURACY 



250mm 

SCALE RANGE 

Vacuum : -76cmHg ~0 

Pressure : 0 ~1kgf/cm2 , 2 ~ 500kgf/cm2 WORKING PRESSURE 





316SS 

ELEMENT 

316SS 

CASE & COVER 

AC7A, Hinged door 

WINDOW 

Glass 

MOVEMENT 

Brass 

CHART DRIVE 

Spring Wound type 

24 hours Rotation. 

CHART PAPER 

10 inches circular, 30 charts supplied with 

each instrument. 

MOUNTING 

Surface mounting 

CONNECTION 

3/8”, 1/2” PT, NPT & PF 

PD09-03

PD09-03 


BASE 

P920 : 

MODEL 

PRESSURE RECORDER 

DIAL SIZE 

8 : 250mm 

MOUNTING TYPE 

B : Bottom Connection, Surface Mounting Plate 

ACCURACY 

CONNECTION 


D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 

UNIT 

B : kgf/cm 2 

C : cmHg 

RANGE 

026 : -76cmHg ~0 041 : 0~1kgf/cm 2 

042 : 0~2kgf/cm 2 043 : 0~3kgf/cm 2 

044 : 0~4kgf/cm 2 045 : 0~6kgf/cm 2 

047 : 0~10kgf/cm 2 050 : 0~15kgf/cm 2 

051 : 0~20kgf/cm 2 052 : 0~25kgf/cm 2 

054 : 0~35kgf/cm 2 055 : 0~50kgf/cm 2 

057 : 0~70kgf/cm 2 058 : 0~100kgf/cm 2 

059 : 0~150kgf/cm 2 062 : 0~250kgf/cm 2 

064 : 0~350kgf/cm 2 066 : 0~500kgf/cm 2 

P920 8 B 5 D C B 041 3 0 

PRESSURE CONNECTION MAT’L 

3 : 316SS 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


MOUNTING 

PD09-03

127 



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

PRESSURE SWITCH 

WEATHER PROOF TYPE MODEL : P940 SERIES 

EXPLOSION PROOF TYPE MODEL : P950 SERIES 


The P940 & P950 Series Pressure Switch are micro 

contact type Pressure Switch suitable for corrosive 

fluid and high pressure measurement Dead band is fixed. 

DIMENSIONS 

Refer to Dimension Drawing 

REPEATABILITY 



-76cm 2 Hg ~ 0 to -76cmHg ~ 20kgf/cm 2 

0 ~ 1 to 0 ~ 350kgf/cm 2 

DEAD BAND 

One SPDT : 5~6% of Full Scale 

Two SPDT : 12% of Full Scale 



Brass, 304SS and 316SS(P941) 

304SS and 316SS (P942) 

316SS (P951, P952) 

ELEMENT 

C Type Bourdon Tube, 316SS 

CASE & COVER 

ALDC (P940), AC7A (P950) 

Silver gray painted 

CONTACT 


One SPDT or Two SPDT 

DPDT 

CONTACT RATING 

-AC 125V/250V, 15A 

DC 125V, 0.5A for Resistance Load 

-AC125V/250V, 15A 

DC 125V, 0.05A for Inductive Load 


1/2” PF (Single Set point) 

3/4” PF (Dual Set point) 


3/8”, 1/2” PF, PT and NPT 

PD09-04

PD09-04 


BASE 

P941 : 

MODEL 

P942 : WEATHER PROOF TYPE PRESSURE SWITCH(SINGLE SWITCH(DUAL SET SET POINT) POINT) 

P951 P952 : 

EXPLOSION 

EXPLOSION 

PROOF 

PROOF 

TYPE 

TYPE 



SWITCH(SINGLE 

SWITCH(DUAL SET 

SET 

POINT) 

POINT) 


9B3 


D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 


B : kgf/cm 2 (PRESSURE) or cmHg + kgf/cm 2 (COMPOUND) 


P941 9B3 D B B 041 3 0 


XXX 

PRESSURE CONNECTION MAT’L 

1 : Brass, Only available with Model P941 

2 : 304SS 

3 : 316SS 

OPTIONS 

0 : None 


SAMPLE MODEL NUMBER


MOUNTING 

PD09-04

EXPLOSION PROOF PRESSURE SWITCH 



P953 Diaphragm type pressure switch is applied with 

a variety of process lines. 

Internal micro switch is operated by pressure of various 


APPROVED BY STANDARDS 

Explosion Proof(Exd IIC T6) 


300mmH2O ~100kg/cm 2 

DIMENSION 

Refer to Drawing Type 

ELEMENT 

Diaphragm 

MATERIAL 

Case & Cover : ALDC 

Pressure Connection : 316SS 

Diaphragm : 316SS & Viton 

Bracket : SCP2 

REPEATABILITY 


fluids, such as atmospheric, pressure, and water, pressure. 

The pressure sensing is a force-balance, piston actuated 

assembly. 

ADJUSTABLE 

300mmH2O - 100kgf/cm 2 

CONTACT 


One SPDT (Model : P953-1B3) 

Two SPDT (Model : P953-2B3) 


3/4” NPT 


1/4”, 3/8”, 1/2” PF, PT and NPT 

PD09-05

PD09-05 


BASE 

P953 : 

MODEL 

EXPLOSION PROOF PRESSURE SWITCH (Only available with single set point) 

SWITCH FORM 

1 : One SPDT 

2 : Two SPDT 


B3 


C : 1/4” 

D : 3/8” 

E : 1/2” 


B : PF 

C : PT 

D : NPT 


B : kgf/cm 2 

G : mmH2O 

P953 2 B3 E D B 041 V 0 


XXX 


ELEMENT MAT’L 

CONNECTION 

3 : 316SS & 316LSS 

V : 316SS & Viton 

OPTIONS 

0 : None 



PD09-05

PD09-05 


PD09-05

PD09-05 

PRESSURE SWITCH 

A bi-stable electro mechanical device than actuates/deactuates 

one or more electrical switching element at a predetermined 

discrete pressure upon rising or falling 


The span of pressure between upper and lower limits within 

which the pressure switch can be adjusted to actuate/ 

deactuate. It is expressed for increasing pressure. 

SETPOINT 

That discrete pressure at which the pressure switch is 

adjusted to actuate/deactuate on rising or falling pressure. 

It must fall with the Adjustable Range and be called out 

as increasing. 

DEADBAND 

The difference in pressure between the increasing Set 

Point and the decreasing Set Point. 

PRESSURE RANGE TABLE 

CODE 

072 

077 

080 

088 

081 

041 

042 

043 

045 

047 

050 

051 

053 

055 

057 

058 

PROOF PRESSURE 

The maximum input pressure that can be continuously 

applied to the pressure switch without causing 

permanent change of set point, leakage or material 

failure. 

BURST PRESSURE 

The maximum input pressure that can be continuously 

applied to the pressure switch without causing leakage 

or catastrophic material failure. Permanent change of 

Set Point may occur, or the device may be rendered 

inoperative. 

REPEATABILITY 

The ability of a pressure switch to successively operate 

at a Setpoint that is approached from a starting point 

in the same direction and returns to the starting point 

over three consecutive cycles to establish a pressure 

profile. 

The closeness of the measures Set Point values is 

normally expressed as a percentage of full scale 

(maximum adjustable range pressure). 

ADJUSTABLE RANGE DEAD BAND OVER RANGE 

SET 

SINGLE 

POINT SET 

DUAL 

POINT BURST RANGE 

kgf/cm2 PSI mmH2O(kgf/cm2) PROOF RANGE kgf/cm2 PSI 

0.027~0.15 0.37~2.1 

0.045~0.3 0.6~4.3 

0.075~0.5 1.1~7.1 

0.09~0.6 1.28~8.5 

35 500 

0.12~0.8 1.7~11.4 

0.15~1 2.1~14.2 Within 150% of 

0.3~2 4.3~28.4 10% of Adjustable 

0.45~3 6~42.7 Full Range Range 

0.9~6 12.8~85 

1.5~10 21.3~142 

70 1000 

2.25~15 32~213 

3~20 42.7~284 

4.5~30 64~498 

7.5~50 107~711 

170 2400 

10.5 ~70 149~996 

15 ~100 213~1422 

800 11000 

PD09-05

137 



PSI 

1 

14.696 

14.2233 

0.036092 

0.019336 

0.491154 

0.145 

14.5038 

0.00142 

ATM 

0.068046 

1 

0.96784 

0.002454 

0.001315 

0.0033421 

0.00987 

0.98692 

0.000097 

kg/cm2 

0.070307 

1.0332 

1 

0.00253 

0.001359 

0.03453 

0.010197 

1.01972 

0.0001 

in.H2O 

27.7276 

407.484 

394.38 

1 

0.53616 

13.6185 

4.0186 

402.156 

0.03937 

mmHg 

51.715 

760 

735.559 

1.8651 

1 

25.4 

7.5006 

750.062 

0.0734 

in.Hg 

2.03602 

29.921 

28.959 

0.07343 

0.03937 

1 

0.2953 

29.53 

0.0029 

kPa 

6.895 

101.325 

98.096 

0.249 

0.1333 

3.3864 

1 

100 

0.0098 

Bar 

0.06895 

1.01325 

0.98067 

0.00249 

0.001333 

0.033864 

0.01 

1 

0.000098 

mmH2O 

704.28104 

10350.0936 

10000 

25.4 

13.618464 

345.9099 

102.07244 

10214.7624 

1 


lb/ft3 

1 

62.43 

0.06243 

1728 

gm/cm2 

0.016018 

1 

0.001 

27.68 

kg/m3 

16.0184 

1000 

1 

27679.8 

lb/in3 

0.000578 

0.03613 

0.000036 

1 


GALLON 

(U.S) 

1 

7.481 

0.004329 

42 

0.000264 

264.17 

0.264 

1.201 

CUBIC 

FEET 

0.1337 

1 

0.000578 

5.615 

0.000035 

35.3144 

0.0353 

0.1606 

CUBIC 

INCHES 

231 

1728 

1 

9702 

0.06102 

61023 

61.03 

277.4 

BARRELS 

(OIL) 

0.02381 

0.1781 

0.000103 

1 

0.000006 

6.2906 

0.0629 

0.0286 

CUBIC 

CM 

3785 

28320 

16.39 

159000 

1 

1000000 

1000 

4546 

CUBIC 

METER 

0.003785 

0.02832 

0.000016 

0.159 

0.000001 

1 

0.001 

0.004546 

LITER 

3.785 

28.32 

0.01639 

158.94 

0.001 

1000 

1 

4.546 

IMP. 

GALLON 

0.8327 

6.229 

0.003605 

34.97 

0.00022 

220.1 

0.22 

1 


lb. 

1 

0.0625 

2.205 

0.002205 

8.345 

2240 

2204.6 

2000 

oz. 

16 

1 

35.27 

0.03527 

133.5 

35840 

35273 

32000 

kg 

0.4536 

0.02835 

1 

0.001 

3.785 

1016.4 

1000 

907.03 

gm 

453.6 

28.35 

1000 

1 

3785 

1016363 

1000000 

909090.9 

gal H2O 

(32F) 

0.1198 

0.00749 

0.2642 

0.000264 

1 

268.352 

264.11 

239.7 

long 

ton 

0.000446 

0.000027 

0.009839 

0.000000 

0.003726 

1 

0.9842 

0.892857 

metric 

tonne 

0.000453 

0.000028 

0.001 

0.000001 

0.003786 

1.016 

1 

0.907194 

ton 

0.0005 

0.000031 

0.001102 

0.000001 

0.004171 

1.12 

1.1023 

1

MANOMETER U INCLINED TYPE MODEL MODEL : P961 : P962, SERIES 

WELL TYPE MODEL : P965 P963, SERIES P964 SERIES 


P960 Series Manometer is pressure measurement 

instrument and measurement standard for calibration 

of all pressure instruments. 

Suitable for low & vacuum pressure measurement. 

SCALE RANGE 

U Type : 0~ ±100 to 0 ~ ±600mmH2O 

Inclined Type : 0 ~ 30, 60 and 150mmH2O 

Well Type : 0~500, 1000, 1500mmH2O and 

-760mmHg ~ 0 



Stainless Steel, one touch 

tube connection for 8mmø 

TUBE 

Material : Glass 

Outdia : 12mm 


Hg and H2O 

India : 5mm or 9.4mm 

SCALE PLATE 


Black Graduation 

Min. Graduation : 2mmH2O 

BASE PLATE 

SCP2, Black painted 

MOUNTING 

Surface mounting 

PD09-06

PD09-06 


BASE MODEL 

P961 P962 : U TYPE MANOMETER 

P963 : INCLINED TYPE MANOMETER(INCLINED RATES, 1:2) 1:5) 

P965 

P964 

: WELL 

INCLINED 

TYPE 

TYPE 

MANOMETER 

MANOMETER(INCLINED RATES, 1:10) 


9 

TYPE 

S : U Type, Only Available with P961 Series 

T : Inclined Type, Only Available with P962, P963 &P964 Series 

U : Well Type, Only Available with P965 Series 


0 

CONNECTION 

M : 8mm 


K : One Touch Tube Connection 


E : mmHg 

G : mmH 2O 

RANGE 

XXX : Refer to Range Table 

COLOR 

2 : 2 Colors 

P961 9 S O M K G 041 2 0 

OPTIONS 

0 : None 

1 : Accessories


PD09-06

PD09-06 

PRESSURE RANGE TABLE 

MODEL 

P961 

(U TYPE) 

P962, P963 

P964 

(Inclined Type) 

P965 (Well Type) 

(mmH2O) 

RANGE 

±100 

±150 

±200 

±250 

±300 

±350 

±400 

±450 

±500 

±600 

0~30 

0~60 

0~150 

-760~0 

0~500 

0~1000 

0~1500 

ORDER 

CODE 

022 

021 

020 

019 

018 

017 

016 

015 

014 

013 

109 

112 

114 

026 

120 

122 

123 

REMARK 

Not Available 

P964 Series

PRESSURE GAUGE PRESSURE GAUGE

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