Pt-100 RTD Temperature Transmitters Model 20/1 - Delta Strumenti ...

Pt-100 RTD Temperature Transmitters 

Precision, Isolated, Universal 

Model 20/1 

F E AT U R E S : 

• 2-wire transmitter system 

• User selectable input types, 

2 or 3 wire RTD's 

• Eliminates ground loop errors 

• Over 1000 Volts Isolation 

• Differential measurement mode 

• Wide ranging ZERO and SPAN 

• Output TEST terminals 

• DIN rail mounting 

AVAILABLE OPTIONS: 

• 3-1/2 digit backlit LCD indicator 

• 4-wire Pt-100 sensors 

The model 20/1 is a precision, loop powered 2-wire • Other Pt, Ni, NiFe, Cu RTD 

transmitter with galvanic isolation between its input and sensors 

the current-loop output signal. It provides the necessary 

• NEMA 4X or NEMA 7 enclosure 

circuitry for amplification and linearization of signals from 

RTD sensors. The input circuit can accept 2 or 3 wire 

RTD's for either a direct or a diff e rential temperature 

measurement. An optional LCD indicator is available to indicate actual temperature in °C or °F. 

The 20/1 can be easily ranged without requiring special tools or board modifications. The transmitter is a 

member of Mescon's family of advanced Universal Input transmitters, which may be readily reconfigured to 

accept other popular inputs such as Thermocouples, DC mV/mA/Volt and Potentiometers. 

A TEST terminal provides a 40-200 mV signal which is proportional to the 4-20mA output. Applying a DVM to 

the TEST terminals allows monitoring and verification of the output without interrupting or disconnecting the 

current loop. 

MESCON 

Technologies, Inc. 

9318 Gulfstream Road, Suite A, Frankfort, IL 60423 

Phone: 815-464-5004 

Fax: 815-464-5003 

E-Mail: mescon@mescontec.com 

Web: www.mescontec.com

Pt-100 RTD Temperature Transmitters 


Model 20/1 

S P E C I F I C AT I O N S : 

Input................................Pt-100, 2-wire, 3-wire, differential 

Output...........................4-20mA, 2-wire, limiting @ 1000 VDC or peak AC 

Maximum Load ......................R max = (V supply - 10V) ÷ 20mA 

C.M.R.R................................................>120 db, DC to 60 Hz 

Output ripple................................ ±25% for both ZERO and SPAN 

Power supply range.......... 10 - 50 VDC, polarity protected 

Operating Temp......................-20°C to 70°C, (0°F to 160°F) 

Mounting.................DIN rail (35mm) or panel with adapter 

Humidity...............................0 to 95% RH, non-condensing 

All specifications are subject to change without notice. 

Model 

D for Optional Display 

ORDERING INFORMATION 

20/1 D-X- (XX-XXX) X 

2, 3, or D for Sensor Type 

Units: °F or °C 

Input Range 

Please request our ordering and calibration diskette 

describing the rest of Mescon's products. 

Wiring Instructions: 

1. Connect the RTD sensor leads to input terminals 1, 3, and 4 

according to the wiring diagram. 

2. Connect the positive supply lead to terminal 10 (+V). 

3. Connect the negative supply lead to terminal 11 (-V). 

4. Connect the system ground to terminal 9. 

5. Turn the power on and observe input/output parameters 

Note: To monitor the output without breaking the current loop, connect a digital voltmeter 

between terminal 12 (TesT) and terminal 11 (-V). An internal 10.0 ohm resistor in series 

with the current loop provides a 40-200mV signal for the 4-20mA current output. 

Calibration and Adjustments: 

It is assumed that the unit undergoing calibration has 

been properly ranged at the factory or workshop. 

1. Connect an RTD simulator to the 20/1 input terminals according to 

the wiring diagram. 

2. Complete the output loop using a power supply and a precision 

digital current indicator. Turn the power on. 

3. Set the input to the desired minimum signal and adjust the ZERO 

pot until the current indicator reads 4.00mA. 

4. Set the input to the desired maximum signal and adjust the SPAN 

pot until the current indicator reads 20.00mA. 

5. Repeat steps 3 & 4 until no further adjustment is needed. 

Note: If the unit can not be calibrated to the desired range, it should be returned to the 

workshop for proper ranging. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 


Web: www.mescontec.com 

Distributed By:

Thermocouple 2-Wire Transmitters 


Model 20/2, (L) 



• All known thermocouples 


• User selectable T/C type 

• User rangeable 

• Over 1000Volts Isolation 





The model 20/2 is a precision, loop powered 2-wire 

transmitter with galvanic isolation between its input and 

the current-loop output signal. It includes the necessary 

c i rcuitry for amplification and processing of signals fro m 

Thermocouple sensors. The input circuit can accept all 

types of Thermocouples and provides the ice point 

re f e rence compensation. Model 20/2L also provides input linearization to correct for the inhere n t 

Thermocouple non-linearity. An optional LCD indicator is available to indicate actual temperature in °C or °F. 


member of Mescon's family of advanced Universal Input transmitters which can be easily re c o n f i g u red to 

accept other popular inputs such as RTD, DC mV/mA/Volts, and Potentiometers. 


for temperature display 

(model 20/2L only) 


• Input linearization 

ATEST terminal provides a 40-200 mV signal proportional to the 4-20mA output. Applying a DVM to the TEST 

terminal allows monitoring and verification of the output without interrupting or disconnecting the current loop. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



Thermocouple 2-Wire Transmitters 




Input.....................................................All known Thermocouple types 

Input Span.................................5 mV min. (10 mV for rated accuracy) 

Burnout detection................Upscale, Standard; Downscale Optional 

Input Impedance.....................................................10MΩ on all ranges 

Output Span...................................4-20mA, 2-wire, limiting @ 1000 VDC or peak AC 

Maximum Load........................................R max = (V supply - 10V) ÷ 20mA 

C.M.R.R.................................................................>120 db, DC to 60 Hz 

Power supply range............................10 - 50 VDC polarity protected 

Supply Voltage Affect.............................................................Negligible 

Output Ripple.................................................. ±25% for both ZERO and SPAN 

Operating Temp.......................................-20°C to 70°C, (0°F to 160°F) 

Humidity.....................................................0-95%RH, non-condensing 

Mounting.................................DIN rail (35mm) or panel (with adapter) 




20/2(L) (D) - X - (XX-XXX) - X 

L for Optional Linearization 


Units: °F or °C 

Input Range 

Thermocouple Type 




1. Connect the positive thermocouple lead to terminal 1. 

2. Connect the negative thermocouple lead to terminal 3. 






between terminal 12 (TST) and terminal 11 (-V). An internal 10.0 ohm resistor in series with 

the current loop provides a 40-200mV signal for the 4-20mA current output. 




1. Connect an thermocouple simulator to the 20/2 input terminals 

using specific thermocouple wires. Observe for proper polarity. 


digital current indicator. Turn the power on. For optimum 

performance, allow 15 minutes for temperature gradients to 

equalize. 








MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



Distributed By:

DC Amps/Volts 2-Wire Transmitters 






• User selectable input 

• User selectable range 



• Output TEST terminal 




• Input linearization, 20/3L 

The model 20/3 is a precision, loop powered 2-wire • Input voltage to 500VDC 


• Higher I/O isolation 

the current-loop output signal. The 20/3 provides the 

necessary circuitry for amplification and processing of • NEMA 4X or NEMA 7 enclosure 

DC mV/mA/Volt signals from various sensors and signal 

sources. Model 20/3L also provides input linearization to 

correct for non-linearity of many input sensors. An optional LCD indicator is available to indicate the output in 

Engineering Units. 


member of Mescon's family of advanced Universal Input 2-wire transmitters and signal conditioners. As such 

it can be readily re c o n f i g u red to accept other popular input types such as RTD, Thermocouples, and 

Potentiometers. 


terminals allows monitoring and verification of the output without interrupting or disconnecting the curre n t 

loop. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



DC Amps/Volts 2-Wire Transmitters 





Input........................................................................DC mV, mA or Volts 

Output.............................................4-20mA, 2-wire, limiting at 200 mV 

Linearity.....................................................Better than ±0.03% of span 

Calibration accuracy.............................±0.1% of span for linear input 

(incl. linearity) 

±0.25% of span for 20/3L (most inputs) 

Voltage Drop on Input................................≤200 mV on current inputs 

Isolation.............................................................>1000 VDC or peak AC 

Maximum Load........................................R max = (V supply - 10V) ÷ 20mA 

C.M.R.R.................................................................>120 db, DC to 60 Hz 

Output ripple................................................. ±25% for both ZERO and SPAN 

Power supply range.............. 10 - 50 VDC reverse polarity protected 

Operating Temp.......................................-20°C to 70°C, (0°F to 160°F) 

Temperature stability...........................Better than ±0.02% of span/°F 

Humidity.....................................................0-95%RH, non-condensing 

Mounting.................................DIN rail (35mm) or panel (with adapter) 



20/3(L) (D) - (XXX-XXX) - X 

L for Optional Linearization 


Units: mV, mA, V 

Input Range 




1. Connect the positive lead to terminal 1. 

2. Connect the negative lead to terminal 3. 






between terminal 12 (TST) and terminal 11 (-V). An iternal 10.0 ohm resistor in series with 

the current loop provides a 40-200mV signal for the 4-20mA current output. 




1. Connect a DC Voltage simulator to the 20/3 input terminals 

Observe for proper polarity. 


digital current indicator. Turn the power on. 








MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



Distributed By:

Potentiometric 2-Wire Transmitters 




• 2-Wire transmitter system 

• User selecatble range 








• Non-linear input (20/4L) 


transmitter with galvanic isolation between its input and • Higher I/O isolation 



signals from Potentiometers and slide wires. Model 20/4L 

also provides input linearization to correct for non-linearity 

of sensors and specific applications. An optional LCD indicator is available on the 20/4 to indicate the output 

in Engineering Units. 


member of Mescon's family of advanced Universal Input 2-wire transmitters which can be easily reconfigured 

to accept other popular input types such as RTD, Thermocouple, and DC mV/mA/Volts. 


terminal allows monitoring and verification of the output without interrupting or disconnecting the current loop. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



Potentiometric 2-Wire Transmitters 




Input.................................3-wire Potentiometer / Slidewire 

Output............................4-20mA, 2-wire, limiting @ 1000 VDC or peak AC 

Maximum Load.......................R max = (V supply - 10V) ÷ 20mA 

C.M.R.R................................................>120 db, DC to 60 Hz 

Output Ripple............................... ±25% for both ZERO and SPAN 


Power supply range.............. 10 - 50 VDC reverse polarity protected 

Operating Temp......................-20°C to 70°C, (0°F to 160°F) 

Temperature Stability.................

AC Amps/Volts 2-Wire Transmitters 

Precision, Isolated, Rangeable 

Model 20/6, (N) 










• Input currents to 12 Amps 


• Input voltage to 750 Volts 


the current-loop output signal. The 20/6 provides the • NEMA 4X or NEMA 7 enclosure 

necessary circuitry for amplification, rectification and 

processing of AC Current or Voltage signals from various 

sensors and signal sources. An optional LCD display is 

available on the 20/6 to indicate the output in Engineering Units. 

The 20/6 can be easily ranged without requiring special tools or board modifications. The model 20/6N is a 

special version intended for very low current/voltage measurements and higher voltages over a wider 

frequency range of up to 2KHz. 

A T E S Tterminal provides a 40-200mV signal proportional to the 4-20mA output. Applying a DVM to the TEST 

terminals allows for monitoring and verification of the output without interrupting or disconnecting the current loop. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



AC Amps/Volts 2-Wire Transmitters 


Model 20/6, (N) 


Input Range: 20/6 (50-60 Hz).................Current: 250mA min, 5A max. 

Voltage: 50V min, 300V max. 

Input Range: 20/6N............................Current: 10µA min, 250mA max. 

Voltage: 100mV min, 500V max. 

Zero Suppression.................................................to >50% of full range 

Output..........................................................4-20mA, limiting at

Frequency Input 2-Wire Transmitters 






• User selectable ranges 






• Input sensor linearization 

The model 20/7 is a precision, loop powered 2-wire • Input voltage to 750 Volts 


• Higher I/O isolation 



F requency/Pulse signals from various sensors such as 

flowmeters, cams, encoders, tachogenerators and many 

other types of rotating machinery. The output is a 4-20mA output signal which is linearly proportional to the 

input frequency or pulse rate. An optional LCD indicator is available on the 20/7 to indicate the output in 

Engineering Units. 

The 20/7 can be easily ranged without requiring special tools or board modifications. 

The model 20/7L also provides signal linearization to correct for the inherent non-linearity of sensors such as 

turbine/paddle flowmeters. 

ATEST terminal provides a 40-200mV signal proportional to the 4-20mA output. Applying a DVM to the TEST 

terminals allows monitoring and verification of output without interrupting or disconnecting the current loop. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



Frequency Input 2-Wire Transmitters 




Input.............................................................................Frequency/Pulse 

Output..............................................4-20mA, 2-wire, limiting at

AC 0-5 AMP Current Transmitter 

Signal Powered 

MODEL 20/6SP 

Mescon's model 20/6SP is an AC current input 

transmitter designed for industrial current 

measurements, generating a precision output 

signal without the need for an external power 

supply. The 0-20mA output signal is Input 

Powered. Hence, the 20/6SP needs no other 

power source to generate its output. 

SPECIFICATIONS: 

Input ................................ 0-5 Amp AC, 50/60/400 Hz 

Output .............................. 0-20mA std for 0-5 Amp 

(4-20mA for 1-5 Amp) 

0-1..2..5..10 VDC 

Input Protection ................ to x 10 on input range for 

5 sec. to x 2 of input range 

continuation 

Power Consumption ......... 0.8 W at 20mA 

Output Load ..................... 800ý max for 0-20mA 

Output Compliance .......... to 17 VDC max 

I/O Isolation ...................... >2000 VDC or peak AC 

Accuracy .......................... ± 0.1% of range 

Adjustability ...................... Auto-Zero, ±20% of span 

Output Ripple ...................

AC 0-5 AMP Current Transmitter 

Signal Powered 

MODEL 20/6SP 


1. Connect the AC current input leads to terminals 

1 and 2 (IN). 

2. Connect the positive output lead to terminal 

4 (+OUT). 

3. Connect the negative output lead to terminal 

5 (–OUT) 

NOTE: To monitor the output without breaking the 

output current loop connect a digital voltmeter between 

terminals 5 and 6. An internal 10.0 ohm resistor 

in series with the Output loop provides a high 

level 0-200mV signal. 

Wiring Drawing 

AC Current Input 

1 2 3 

TECHNOLOGIES 

20/6SP 

9407921 

AC-I 

(0-5) A 

IN 


It is assumed that the 20/6SP unit undergoing calibration 

has been properly ranged at the factory 

or workshop. 

1. Set the 20/6SP input to the desired maximum 

signal and adjust the SPAN pot until the output 

maximum signal is set. 

Mounting: 

The MESTEC 20/6SP is designed for mounting on 

a standard 35 or 32 mm DIN rail. Simply place the 

lower rear rail groove into the rail and push the unit 

onto the rail until it snaps in its place. 


20/6SP - (0-5)A - 60 Hz 

Dimensions are in inches (mm) 

3.31 

(84) 

2.94 

(75) 

(0-20)mA 

ZERO 

SPAN 

4 5 6 

+ – + 

Current 

Monitor 

OUT 

Digital Volt 

Meter 

0.87 

(22) 

1 2 3 


Input Range 

Frequency 

3.12 

(79) 

TECHNOLOGIES 

20/6SP 

9407921 

AC-I 

(0-5) A 

(0-20)mA 


describing the balance of Mescon's products. 

DIN RAIL 

ZERO 

SPAN 

4 5 6 

Distributed By: 

Tel: 815-464-5004 • Fax: 815-464-5003 

E-Mail Address: mescon@mescontec.com 

Web Site: www.mescontec.com 

20/6SP 11.97

Universal Non-Isolated 2-Wire Transmitters 

Thermal Head Mounted 

Series TH-11U 

User selectable for all thermocouple 

types, mV, and Pt-100 RTD. 

The Mescon TH-11U is a low cost, non-isolated 

temperature transmitter designed to fit in a standard 

thermal head. A new design features a unique circuitry 

that enables the use of a single transmitter for the 

measurements of either Pt-100 RTD, Thermocouple input 

or mV. When set to Thermocouple mode, the TH-11U 

accepts all known Thermocouple types. The advantages 

of using the TH-11U transmitter are: 

• Reduced inventory levels for 

both in-plant users and distributors. 

• Ease of maintenance through 

p roduct standard i z a t i o n . 

• Better measurement stability through 

i m p roved circuitry and enhanced 

RFI-EMI re j e c t i o n . 

The TH-11U is constructed of an upper and lower section. The 

lower section contains the signal conditioning electronics, while 

the upper half contains the "personality" components that define 

the input sensor type and the measurement range. The two halves 

snap into each other for a perfect fit, yet enable easy disassembly 

for the purpose of input and range changes. 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



Universal Non-Isolated 2-Wire Transmitters 

Thermal Head Mounted 

Series TH-11U 

Specifications: 

Output Span: 

4-20mA, limiting @

Series TH-12U 

Isolated Universal 2-Wire Transmitter for 

Thermocouple, Pt-100 RTD & mV 

Miniature, Thermal-Head mounted. 

1000 VDC Input to Output Isolation. 

The Mescon TH-12U is an isolated, 2-wire temperature 

and mV transmitter designed to fit in a 

standard industrial thermal-head. The new design 

makes the TH-12U the smallest of its kind, while 

maintaining all of the features Mescon’s Universal 

Temperature Thermal-Head Transmitters, i.e.: 

STANDARD FEATURES: 

• User selectable input type. Accommodates 

all Thermocouple types, mV and 

Pt-100 RTD. 

• Eliminates ground-loop errors. 

• Improved noise rejection and RFI/EMI 

immunity. 

• Universal input capabilities reduce the 

required inventory levels for both 

inplant users and distributors. 

FEATURES: 

• Custom embedded terminals for physical 

rigidity and reliability 

• Low profile enclosure design for easier 

mounting and wiring 

• Hinged cover for zero & span pots for 

application in dirty environments 

• Separated input/output connection reduces 

harmful leakage currents 

MESCON 


9318 Gulfstream Road, Frankfort, IL 60423 Phone: 815-464-5004 Fax: 815-464-5003 

E-Mail: mescon@mescontec.com Web Site: www.mescontec.com

Series TH-12U 

Isolated Universal 2-Wire Transmitter for 

Thermocouple, Pt-100 RTD & mV 


Isolaton (I/O): 

1000 VDC or peak AC. 

Output Span: 


Temperature Transmitters, Universal 

Elliptical shape, Linearized, Isolated 

Model TH14/U (L) 

Model TH14/U are precision and isolated, loop-powered 2-wire transmitters, designed to fit into elliptically 

shaped thermal heads. It includes all the necessary circuitry for the amplification and processing of 

signals from Thermocouple, mV and RTD sensors. The input circuit can accept all Thermocouples types 

and provides Cold Junction reference compensation. While it linearizes Pt-100 RTDs as standard, model 

TH14/2 (L) provides input linearization to correct for the inherent thermocouple non linearity. The TH14 is 

a member of Mescon's line of advanced Universal-Input transmitters, indicators and signal-conditioners 

which can be easily and readily configured to customers requirements. 

FEATURES: 

• Fits ellipticall thermal heads 

• Linearization for Thermocouples, 

RTDs and mV signals 

• 2-Wire transmitter system. 


• All known Thermocouples. 

• User selectable Thermocouples, 

RTDs or mV input 

• User rangeable 

• Over 1500 VDC isolation 


9318 Gulfstream Road • Suite A • Frankfort, IL. 60423 • Telephone: 815-464-5004 • Fax: 815-464-5003 

E-Mail Address: mescon@mescontec.com • Web Site: www.mescontec.com

Temperature Transmitters, Universal 

Elliptical shape, Linearized, Isolated 

Model TH14/U (L) 


R.T.D 

R.C. 

- 

4 

Inputs .......................... All known Thermocouples, RTDs, 

mV signals (Ni, NiFe, Cu and other 

RTD types, also available) 

Input Span .................. 5 mV min (10mV for rated accuracy) 

1 

2 

+ 

MODEL: 

RANGE: 

- 

+ 

: 

6 

1.075 in 

(44.5 mm) 

Burnout Detection ...... Upscale, standard 

S/N: 

ZERO SPAN 

Input Impedance ........ > 10 Mý on all T/C ranges 

Output Span ............... 4-20 mA, limiting @ < 28 mA 

2.05 in 

(52 mm) 

Reference Junction ... ±1°C accuracy for 0 - 50°C ambient 

Linearity (TH14/2) ...... 0.025% referred to mV input 

(TH14/1) ...................... 0.1% referred to temperature input 

(Th14/2L) ..................... 0.25% (BSLF) referred to temperature 

input (most ranges) 

.725 in 

(18.5 mm) 

1.75 in 

(27.5 mm) 

Temperature Stability . Better than ±0.01%/°F 

(10 mV input span TH14/2) 

(100 Deg C input span TH14/1) 

I/O Isolation ................ 1500 VDC or peak AC 

Power Supply ............. 8-40 VDC Reverse polarity 

protected. 

Supply Voltage Effect: < ±0.001% per Volt 

Output Ripple ............. < 0.005% of span to 5KHz 

Adjustments ............... > ±25% for both ZERO and SPAN 

Operating 

Temperature .............. –20°C to +70°C. (0° F to 160°F) 



14/1 for RTD 

14/2 for T/C 

14/3 for mV 


TH14/2 L - T (XX-XXX) F 

Units: °F or °C or mV 

Input Range 

Humidity ..................... 0-95% RH, non-condensing 

L = Linearization option 

Thermocouple type 

Mounting .................... Elliptically shaped thermal head 

(specific) 




Tel: 815-464-5004 • Fax: 815-464-5003 



TH14/U (L) 11.97

Series TH-15U 

Universal Input Temperature and mV 2-Wire Transmitter. 

Thermal-Head Mounted. 

User selectable for all thermocouple 

types,mV and PT-100 RTD. 

The Mescon TH-15U is a low cost, non-isolated 

temperature transmitter designed to fit in a 

standard thermal head. A new design features a 

unique circuitry that enables the use of a single 

transmitter for the measurements of either Pt-100 

RTD, Thermocouple input or mV. When set to 

Thermocouple mode, the TH-15U accepts all 

known Thermocouple types. The advantages of 

using the TH-15U transmitter are: 

• Reduced inventory levels for both in-plant 

users and distributors. 

• Ease of maintenance through product 

standardization. 

• Better measurement stability through improved 

circuitry and enhanced RFI-EMI 

rejection. 

FEATURES: 

• Custom embedded terminals for physical 

rigidity and reliability 

• Low profile enclosure design for easier 

mounting and wiring 

• Hinged cover for zero & span pots for 

application in dirty environments 

• Separated input/output connection reduces 

harmful leakage currents 

MESCON 




Universal Temperature Transmitters 

Head-Mounted Multi-Input TC-RTD-mV 

2-Wire Non-Isolated Transmitters 


Output Span: 


Pt-100 2, 3, & 4-Wire Input DIN rail 

2-Wire & 4-Wire Transmitters 

TEMP 2/1 & TEMP 4/1 

FEATURES: 

• Low cost 

• Compact size 

• 4-wire RTD input and universal input 

• Other RTD sensor types 

• Din Rail mounting 

Mescon TEMP2/1 and TEMP4/1 transmitters 

provide the precision yet low cost circuitry, 

performing compensation, linearization, 

amplification and processing of signals from 

2, 3 & 4-Wire Pt-100 RTD sensors. The output is 

linear with respect to the sensor's temperature. 

The 4-wire input circuitry provides near perfect 

compensation (and as a result, improved accuracy) 

for the effect of long lead wire resistance. 

The units are powered by any standard industrial loop 

power supply and provide a 4-20mA output on a 2-wire 

transmitter system (TEMP2/1) or any standard current 

or voltage output on a 4-wire system (TEMP 4/1). 

Mescon TEMP2/U and TEMP4/U are the universal 

transmitter versions which can be configured to any 

input range of Pt-100 RTD sensors (TEMP /1) or any 

type and range of themocouple (TEMP /2). 


Input .................................. Pt-100, 2,3, or 4-wire RTD. 

Other Pt, Ni, NiFe, Cu RTDs. 

Input Temp Range ............ – 200°C (– 328°F) to + 850°C 

(1562°F) 

Input Span ........................ 20°C Min. to 800°C Max. 

Output (TEMP2/1) 2-wire .. Current loop 4-20mA 

(TEMP4/1) 4-wire 0…1…4…10…20mA, 

0…1…2…6…10V 

Linearity ............................. Better than 0.1%, referred to the 

sensor's actual temperature. 

Lead Wire Error (4-wire) ... Negligible, for 4-wire sensors 

(3-wire) Better than 100:1 

compensation 

Temperature Stability ........... < ± 0.01% of range/°F 

(100°C span) 

Power Supply Range ......... 24 VDC 20%, 

polarity protected 

Adjustments ...................... ± 25% on both ZERO 

and SPAN 

Operating Temperature ........ – 20°C to 70°C (0°F to 160°F) 

Mounting ........................... DIN rail 35 mm 




Pt-100 2, 3, & 4-Wire Input DIN rail 




1.Connect the sensor input leads according to the wiring 

information drawing. Observe for the proper RTD lead type. 

2.Connect the output terminals and the power supply 

according to the wiring information drawing. Observe for 

proper polarity. 


It is assumed that the unit undergoing calibration has been 

properly ranged at the factory or workshop. 

1.Connect an RTD simulator to the TEMP X/1 input terminals 

according to the wiring diagram. 

2.Connect the power supply terminals [1(+) and 2(–)] and 

the output terminals to the proper 2-wire (TEMP 2/1) or 

4-wire (TEMP 4/1) transmitter connection. Observe for proper 

polarity. 

3. Set the input to the desired minimum signal and adjust the Zero 

pot until the output minimum signal (usually 4.00mA) is set. 

4. Set the input to the desired maximum signal and adjust the Zero 

pot until the output maximum signal (usually 20.00mA) is set. 

5.Repeat steps 3 & 4 until no further adjustment is needed. 

Mounting: 

Series TEMP signal conditioners are designed for mounting 

on a standard 35 mm DIN rail. Simply place the lower rear rail 

groove onto the rail and push the unit into the rail until it snaps 

in its place. To dismount, pull the unit in a downward tilt 

movement away from the rail. 


DIN RAIL 

Wiring Information 

Loop powered 

Current 

Monitor 

+ – 

1 2 3 4 

2.56 

(65) 

2.12 

(54) 

Power 

Output 

Signal 

+ – + – 

1 2 3 4 


TEMP 4/1 - 3 - (0-200) - °F - (0-10) V 

1 2 3 4 

SPAN 

1 2 3 4 

SPAN 

TEMP Model 

2/1 = Loop powered 

4/1 = Four-wire 

Output Units 

ZERO 

TEMP-2/1 

Pt - 100 

(0 - 350) F 

ZERO 

TEMP-4/1 

Pt - 100 

(0 - 100) C 

(60) 

2.34 

No. of wires of RTD 

Output Range 

4-20mA (2/1), 

V or mA (4/1) 

(4 - 20) mA 

5 6 7 8 

(0 - 10) V 

5 6 7 8 

Input Range 

Input Units (°C or °F) 



RTD Input 

0.94 

(24) 

TEMP 2/1 TEMP 4/1 


Tel: 815-464-5004 • Fax: 815-464-5003 




11.97

Thermocouple Wire Input DIN rail 



FEATURES: 

• User selectable T/C 

• User range-able 


Input .............................Any Thermocouple type 

Mescon TEMP2/2 and TEMP4/2 transmitters 

provide the precision, yet low cost circuitry 

performing cold junction compensation, 

amplification and processing of signals from all 

types of thermocouple sensors. The units 

provide an output which is linear with respect 

to the thermocouple sensor's mV input. 

The units are powered by standard industrial 

loop powered supply and provide a 4-20mA 

current loop output on a 2-wire transmitter 

system (TEMP2/2) or any standard current or 

voltage output on a 4-wire system (TEMP4/2). 

Mescon TEMP2/U, and TEMP4/U are the universal 

transmitter versions which can be 

configured to any type and range of 

thermocouple (TEMP /2) and Pt-100 RTD 

sensors (TEMP /1). 

Input Span ....................5mV Min. 

(20mV for rated accuracy) 

Linearity .........................0.02% of span 

(ref. to mV input) 

Burnout Detection .........Upscale, standard 

Reference Junction: ......1.0°C max. error over 

0-50°C of operating 

ambient temp. 

Output (TEMP2/2) ........Current loop: 4-20mA 

(TEMP4/2) 0…1…4…20mA, 

0…1…4…5…10V 

Stability (20mV input):......Zero: 1mV/°C or 0,01% 

of span/°C 

Power Supply Range .....24 VDC ± 20%, 

polarity protected 

Adjustments ..................± 25% on both ZERO 

and SPAN 

Operating Temperature ...– 20°C to 70°C (0°F to 160°F) 

Mounting .......................DIN rail, 35 mm 




Thermocouple Wire Input DIN rail 




DIN RAIL 

Wiring Information 

Loop powered 

Current 

Monitor 

+ – 

1 2 3 4 

Power 

Output 

Signal 

+ – + – 

1 2 3 4 

1 2 3 4 

1 2 3 4 

SPAN 

SPAN 

ZERO 

TEMP-2/2 

TC - J 

(0 - 350) F 

(4 - 20) mA 

5 6 7 8 

ZERO 

TEMP-4/2 

TC - K 

800 - 1200C 

(0 - 10) V 

5 6 7 8 

(60) 

2.34 

2.56 

(65) 

2.12 

(54) 


1. Connect the sensor input leads according to the wiring information 

drawing. Observe for the proper thermocouple lead type. 

2. Connect the output terminals and the power supply according to 

the wiring information drawing. Observe for proper polarity. 

Calibrating and Adjustments: 

It is assumed that the unit undergoing calibration has been properly 

ranged at the factory workshop. 

1. Connect a thermocouple simulator to the TEMP X/2 input terminals 

according to wiring diagram. 

2. Connect the power supply terminals [1 (+) and 2 (–)] and the output 

terminals to the proper 2-wire (TEMP 2/2) or 4-wire (TEMP 4/ 

2) transmitter connection. Observe for proper polarity. For optimum 

performance, allow 15 minutes for temperature gradients 

to equalize. 

3. Set the input to the desired minimum signal and adjust the Zero 

pot until the output minimum signal is set. 

4. Set the input maximum to the desired maximum signal and adjust 

the Span pot until the output maximum signal is set. 

5. Repeat steps 3 and 4 until no further adjustment is needed. 

Mounting: 

Series TEMP signal conditioners are designed for mounting on a standard 

35 mm DIN rail. Simply place the lower rear rail groove onto the 

rail and push the unit into the rail until it snaps in its place. To dismount, 

pull the unit in a downward tilt movement away from the rail. 

– + 

THERMOCOUPLE 

INPUT 

TEMP Model 

2/2 = Loop powered 

4/2 = Four-wire 

0.94 

(24) 

TEMP 2/2 TEMP 4/2 


TEMP 4/2 - E - (0-200) - °F - (0-10) V 


Input Range 

Output Units 

Output Range 

4-20mA (2/2), 

V or mA (4/2) 

Input Units (°C or °F) 




Tel: 815-464-5004 • Fax: 815-464-5003 




11.97

Programmable Thermalhead Transmitters 

JUST-PC TECHNOLOGY 

Series PTH-400 

The Mescon PTH-400 series is a unique PC-programmable 2-wire transmitter family. The units feature a 

state of the art micro-processor based design which enables full configuration with Mescon's JUST-PC 

Technology using the MESCONfigurator, user friendly configuration software. This combination eliminates 

the need for jumpers, calibrators, screw-drivers and hand-held programmers. The PTH-400 is the thermal 

head version of an entire family of products. Other JUST-PC 

technology instruments are available for field mount, high density DIN 

rail and low density DIN rail with display applications. 

DC 

Power 

Supply 

– 

+ 

Programming Port 

– Monitor + 

6 

5 

Sample loop showing the PTH-400 

1.3 " 

(33 mm) 

4 

3 2 

1 


• Full featured and highly accurate. 

• JUST-PC Configuration technology. 

No Power Supply needed to program. 

.15 " 

(4 mm) 

4 

5 

6 

1 

* Drawings are not to scale 

3 4 5 

Wiring 

6 

4-Wire RTD/ 

Resistance 

• MESCONfigurator, user friendly 

configuration software. 

3 2 

3 4 5 


Resistance 

• Full software programmability of 

sensor type and input range. 

• Linearized 4-20mA current loop output 

for T/C, RTDs, mV, Potentiometers and 

Resistance Inputs. 

.255 " 

(6.5 mm) 

1.75 " 

(44.5 mm) 

4 5 

3 4 5 


Resistance 

Potentiometer 

• 2000 Volts I/O isolation. 

• RFI/EMI Protected, marked. 

• DIN rail mounting adapter 

• Small size thermal head 

• Custom Linearization in minutes 

.725 " 

(18.5 mm) 

S/N 

MESCON 

Z 

S 

4 5 

+ – 

4 5 

+ – 

DC mV 

T/C 



Programmable Thermalhead Transmitters 


Series PTH-400 

Configuration: All Input types and range parameters 

are easily configurable with Mescon's user friendly 

JUST-PC Technology, which requires no power 

supply for configuration using the PA-400 programming 

adapter and the MESCONfigurator Graphic User 

Interface software under Windows ® operating systems 

through the PC's RS232 serial port. 

SPECIFICATIONS 

INPUT CONFIGURATIONS 

Thermocouples ........... Most standard types and all special 

types using customer defined tables 

and polynomials. 

RTD ............................ 2, 3, and 4 wire, Pt-100, Ni-110 and 

other RTDs. Includes Callandar- 

Van-Dusen adaptation and custom 

sensors linearization with user 

defined tables and polynomials. 

Potentiometers ............ to 20 Ký 

Resistance .................. to 400 ý 

DC-mV ........................ –10 to 100 mV 

GENERAL SPECIFICATIONS 

Minimum Range .......... 2 mV. Limited mostly by input signal 

quality. 

Output ......................... 4-20mA isolated loop powered. 

Supply Voltage ............ 9-40 VDC (@ no load). Reverse 

polarity protected. 

Maximum Load ........... R max = (Vsupply - 9V) ÷ 20mA 

Operating 

Temperature ................ –40°C to +85°C 

Storage 

Temperature ................ –55°C to +125°C 

Humidity ...................... 0-95% RH, non-condensing. 

Response Time ........... 0.3 seconds, to 90% of input. 

(> 3 updates per second). 

GENERAL SPECIFICATIONS (continued) 

Damping Factors ........ Programmable 0.0 to 64.0 seconds, to 

0 - 120% of input range, using 

MESCONfigurator software interface. 

Stability ....................... Better than ±0.1% of span for 12 

months. 

I/O Isolation ....................... 2000 VDC or peak AC. 

RFI Protection ................... < 1% effect of span at 20-1000 

MHz and at field strength of 

20V/m. marked. 

PERFORMANCE SPECIFICATIONS 

Output Resolution ............. 0.015% of span (2.5µA). 

Output (D/A) Linearity .......Better than 0.02% of output span. 

Sensor 

Linearization ...................... Better than 0.1°C for RTDs. 

Better than 0.2°C for T/C. 

Cold Junction 

Compensation ................... Automatic to within ±0.7°C 

for all T/C. 

Temperature Stability ........ 0.015%/°C combined ZERO 

and SPAN. 

Supply Voltage Effect: .......

Thermistor Input - World's first 

Programmable Thermalhead Transmitter 

Model PTH-440 with JUST-PC TECHNOLOGY 

The Mescon PTH-440 is a unique PC-programmable 2-wire transmitter family. The PTH-440 feature stateof- 

the-art microprocessor based design which enables full configuration with Mescon's JUST-PC Technology 

using the user-friendly MESCONfigurator Graphic User Interface. This combination eliminates the need 

for jumpers, calibrators, screw-drivers and hand-held programmers. The PTH-440 is the thermal head version 

of a comprehensive family of products. Other JUST-PC technology 

instruments are available for field mount, high density DIN rail and 

low density DIN rail with display applications. 

DC 

Power 

Supply 

– 

+ 


– Monitor + 

6 

5 

Sample loop showing the PTH-440 

1.3 " 

(33 mm) 

4 

3 2 

1 


5 

6 

* Drawings not to scale 

• Fully Linearized output with respect to 

temperature. 

• Custom Linearization for virtually all 

thermitor types and makes. 

• 0.01KΩ to 2000KΩ input range. 

.15 " 

(4 mm) 

4 

3 2 

1 

Wiring 

Low-resistance NTCthermistor 

(10 ... 25000)Ω range 

• High Resolution (to 0.01°C) and staility. 



• MESCONfigurator, friendly Graphic 

User Interface software. 

.255 " 

(6.5 mm) 

1.75 " 

(44.5 mm) 

High-resistance NTCthermistor 

(0.5 ... 4000)KΩ range 


• RFI/EMI Protected, marked. 

• DIN rail mounting adapter 

• Small size thermal head 

.725 " 

(18.5 mm) 

S/N 

MESCON 

Z 

S 



Thermistor Input - World's first 

Programmable Thermalhead Transmitter 

Model PTH-440 with JUST-PC TECHNOLOGY 

Configuration: All thermistor types and range 

parameters are easily configurable with Mescon's user 

friendly JUST-PC Technology, which requires no 

power supply for configuration. Use the PA-400 

programming adapter and the MESCONfigurator 

Graphic User Interface software under Windows ® 

operating systems and the PC's RS232 serial port. 

SPECIFICATIONS 


Thermistors ................. Most standard types and makes, 

and all special types with userdefined-tables 

and polynomials. 

Linearization for YSI thermistors 

is standard, others available upon 

request. Optional - custom types, 

ranges and resolutions. 

Resistance range ....... From 0.02KΩ to 2000KΩ 

in two input sections. 

Min/Max span ............. 5°C min., 150°C max. 




Maximum Load ........... R max = (Vsupply - 9V) ÷ 20mA 

Operating 

Temperature ............... –40°C to +85°C 

Storage 


Humidity ...................... 0-95% RH, non-condensing. 

Response Time .......... 0.3 seconds, to 90% of input. 



Damping Factors ........ Programmable 0.0 to 64.0 seconds, to 



Stability ....................... Better than ±0.1% of span for 12 

months. 



MHz and at field strength of 20V/ 

m. marked. 



Output (D/A) Linearity ....... Better than 0.02% of output span. 

Sensor 

Linearization* .................... Better than 0.1°C most 

thermistors types and ranges. 

Temperature Stability ........0.01%/°C combined ZERO and 

SPAN. 


Programmable High Density Din Rail Transmitters 


Series PDT-400 

The Mescon PDT-400 series is a unique PC-programmable 2-wire transmitter family. 

The units feature a state of the art micro-processor based design which enables 

complete configuration with Mescon's JUST-PC Technology using the 

MESCONfigurator, user friendly configuration software. This eliminates the need 

for power supplies, calibrators, screw-drivers, wires, jumpers and hand-held 

programmers. The PDT-400 is the DIN rail mounted version of an entire family of 

products. Other Just-PC technology instruments are available for thermal-head, 

field-mount, high density Din rail and Digital display applications. 

Sample loop showing the PDT-410 

Monitor 

– 

+ 

Output/2 

(optional) 

STANDARD 

FEATURES: 


Power 

Supply 

+ 

– 

1 2 

+ – 

5 6 

• JUST-PC Configuration 

Technology. No power supply 

needed for programming 

• MesConfigurator user friendly 

software 

(89.5 mm) 

3.53 in 

(60.2 mm) 

2.36 in 

(90.4 mm) 

3.55 in 

PDT 

400 

7 

3 

PDT 

410 

8 

4 

• Full software programmability 

of sensor type and input range 

• Linearized 4-20mA output for T/ 

C, RTDs, mV, Potentiometers 

and Resistance Inputs 

• 2000 Volts I/O isolation 

• Ultra High Density DIN rail 

mounting 

TC 

& DC mV 

7 8 

4.03 in 

(102.5 mm) 

2-Wire RTD 

Resistance 

7 8 

0.5 in 

(13.0 mm) 

PDT 400 Wiring 


Resistance 

7 8 


Resistance 

7 8 

DC-mV 

DC-Volts 

DC-mA 

7 3 4 8 

7 8 

+ 

+ – 

3 

+ 

Potentiometer 

7 8 

4 

8 

– 

8 

– 


• Optional dual output capability 

3 4 

3 4 

3 4 

3 4 

3 4 

• RFI/EMI Protected, 

marked 

+ – 



Programmable High Density Din Rail Transmitters 


Series PDT-400 












and polynomials. (PDT-400) 

RTD ............................ 2, 3, and 4 wire, Pt-100, Callandar-Van- 

Dusen adaptation, User defined 

sensor types available. (PDT-400) 

Potentiometers ........... to 20 Ký (PDT-400) 

Resistance .................. to 400 ý (PDT-400) 

DC-mV ........................ -10 to 100 mV (PDT-400) 

DC-mV ........................ -30 to 300 mV (PDT-410) 

DC-Volts ..................... Up to 10 Volts (PDT-410) 

DC-mA ........................ Up to 50 mA (PDT-410) 


Minimum Range ......... 2 mV. Limited mostly by input signal 

quality. 




Maximum Load ........... R max = (V supply - 9V) ÷ 20mA 

Operating 


Storage 


Humidity...................... 0-95% RH, non-condensing. 




Damping Factors ............... Programmable 0.0 to 64.0 

seconds, to 0 - 120% of input 

range, using MESCONfigurator 

software interface. 

Stability .............................. Better than ±0.1% of span for 

12 months. 








Sensor 

Linearization ......................Better than 0.1°C for RTDs. 


Cold Junction 


for all T/C. 


and SPAN. 

Supply Voltage Effect: ....... < ±0.002% per volt 

Calibration ......................... Automatic. Unit includes all of 

the calibration parameters. It 

performs periodic “ZERO”, 

“SPAN”, self-test, and auto 

calibration. 

Input Linearity ....................Better than 0.01% of span (mV input). 


PA - 400 


PDT - 4 X X 

PDT 4 X X 

0 = Temp 

1 = DC - mA - mV - V 

3 = Frequency 

4 = Thermistor 

0 = Single Output 

2 = Dual Output 

Programming Adapter (RS232) 

Windows ® is a registered trademark of Microsoft Corporation. 


Tel: 815-464-5004 • Fax: 815-464-5003 



PDT - 400 

4.98

Programmable Field Mounted Transmitters 


Series PFT-400 

The Mescon PFT-400 series is a unique PC-programmable 2-wire 

transmitter family. The units feature a state of the art micro-processor 

based design which enables full configuration with Mescon's JUST-PC 

Technology using the MESCONfigurator, user friendly configuration 

software. This combination eliminates the need for jumpers, calibrators, 

screw-drivers and hand-held programmers. The PFT-400 is the field 

mounted version of an entire family of products. Other JUST-PC 

technology instruments are available for thermal-head, high density DIN 

rail and low density DIN rail with display applications. 


Sample loop showing 

1 

PFT 

2 3 4 

– + 

5 6 

+ – Output 

– + Loop 

+ 

LOAD (R L ) 

DC Supply 

– 

the PFT-400 

+ 

– 

4 

3 

-2 

1 

PFT 

TC 

& DC mV 

1 

2 3 4 

– 

5 6 + 

2.75 in 

(70 mm) 

3.04 in 

(77 mm) 


Resistance 

4 

3 

2 

1 


4 

3 

2 

1 

2.75 in 

(70 mm) 


Resistance 

Wiring 


Resistance 

+ 4 

3 

2 

1 


Potentiometer 

4 

3 

2 

1 

4 

V + 

3 

mV + 

2 

1 

mA + 

1.36 in 

(35 mm) 

1.87 in 

(48 mm) 

DC Inputs 

(PFT 410 Only) 

mV term 3 + 

mA term 1 + 

V term 4 + 

term 2 

always 

– 

STANDARD 

FEATURES: 



No Power Supply needed to program. 

• MESCONfigurator, user friendly 

configuration software. 

• Full software programmability of 

sensor type and input range. 

• Linearized 4-20mA current loop output 

for T/C, RTDs, mV, Potentiometers and 

Resistance Inputs. 

• Custom Linearization in minutes. 



marked. 



Programmable Field Mounted Transmitters 


Series PFT-400 




supply for configuration using the A-400 P programming 


® 

Interface software under Windows operating systems 




Thermocouples ...........Most standard types and all special 


and polynomials. (PFT-400) 



sensor types available. (PFT-400) 

Potentiometers ........... to 20 Ký (PFT-400) 

Resistance .................. to 400 ý (PFT-400) 

DC-mV ........................ -10 to 100 mV (PFT-400) 

DC-mV ........................ -30 to 300 mV (PFT-410) 

DC-Volts ..................... Up to 10 Volts (PFT-410) 

DC-mA ........................ Up to 50 mA (PFT-410) 



quality. 





Operating 


Storage 





Damping Factors ........Programmable 0.0 to 64.0 seconds, to 





12 months. 


RFI Protection ................... < 0.5% effect of span at 20- 

1000 MHz and at field strength 

of 20V/m. marked. 




Sensor 

Linearization ......................Better than 0.1°C for RTDs. 


Cold Junction 

Compensation ...................Automatic to within ±0.5°C 

for all T/C. 


and SPAN. 


Programmable Din Rail Transmitters 


Series P-20 

The Meson P-20 series is a unique PC-Programmable 2-wire transmitter family using Mescon's Just -PC technology. 

The units feature state of the art micro-processor design which enables complete input configuration using the 

MesconFigurator, user-friendly configuration software and Graphic user Interface. The need for power supply, 

calibrators, jumpers, screw-drivers, wires and hand-held programmers has been eliminated. The P-20 also features 

an optional LCD digital display for continuous indication of the measured process variable. Other Just-PC technology 

instruments are available for thermal-head, field mounted and high density DIN rail applications. 

1.77 in 

(45.0 mm) 

2.07 in 

( 53.0 mm ) 

Programming 

Port 

INPUT 

1 2 3 4 

2.91 in 

(74.0 mm) 

S/N 

5 6 7 8 9101112 TST 

+ - 

OUTPUT 

WIRING LABEL 

Optional 

Display 

1 2 3 4 

Sample loop 

showing the P-20 

S/N 

P-20 Wiring 

5 6 7 8 9101112 

+ - 

TST 

Potentiometer 2 3 4 

2-wire RTD / Resistance 2 4 

3-wire RTD / Resistance 2 3 4 

4-wire RTD / Resistance 1 2 3 4 

T.C. 

DC-mV 

– 

+ 

2 3 

– 

+ 

2 3 

1 2 3 4 

Monitor 

+ – 

– 

+ 

DC 

Power-Supply 


P-21 Wiring 

+ – 

1 2 

– + 

2 

– + 

DC-mA 

DC-Volts 

DC-mV 

2 3 

1 2 3 4 

4 


• JUST-PC Configuration Technology. 

No power supply needed for programming 

• MesConfigurator user friendly software 

• Full software programmability of sensor type 

and input range 

• Linearized 4-20mA output for T/C, RTDs, mV, 

Potentiometers and Resistance Inputs 

• 2000 Volts I/O isolation 



marked 



Programmable Din Rail Transmitters 


Series P-20 












and polynomials. (P-20) 



sensor types available. (P-20) 

Potentiometers ........... to 20 Ký (P-20) 

Resistance .................. to 400 ý (P-20) 

DC-mV ........................ -10 to 100 mV (P-20) 

DC-mV ........................ -30 to 300 mV (P-21) 

DC-Volts ..................... Up to 10 Volts (P-21) 

DC-mA ........................ Up to 50 mA (P-21) 



quality. 



polarity protected. (12-40V with 

optional display) 


Operating 


Storage 





Range ......................... 0-100% 


Damping Factors ............... Programmable 0.0 to 64.0 

seconds, to 0 - 120% of input 

range, using MESCONfigurator 

software interface. 


12 months. 





Optional Display ................ 3 1/2 digits, LCD, Back-lit 



Output (D/A) Linearity .......Better than 0.02% of output span. 

Sensor 

Linearization ...................... Better than 0.1°C for RTDs. 


Cold Junction 


for all T/C. 


and SPAN. 

Supply Voltage Effect: ....... < ±0.002% per volt 

Calibration ......................... Automatic. Unit includes all of 

the calibration parameters. It 

performs periodic “ZERO”, 

“SPAN”, self-test, and auto 

calibration. 

Input Linearity .................... Better than 0.01% of span (mV input). 



P - 2 X X 

P- 2X X 

0 = Temp 

Optional 

1 = DC - mA - mV - V 

Display 

3 = Frequency 

4 = Thermistor 

PA - 400 Programming Adapter (RS232) 

Windows ® is a registered trademark of Microsoft Corporation. 


Tel: 815-464-5004 • Fax: 815-464-5003 



P-20 

4.98

SMART ISOLATED 2-WIRE TRANSMITTER 

Signal Transmission - The Smart Way 

SeriesSST-200 

S TANDARD FEAT U R E S : 

• Universal input capability in 3 variations to 

accept most of today's process parameters: 

Thermocouples, RTD's, DCmV, Potentiometers, 

Resistance sensors, DCmA, DCV, AC Amps, 

Frequency and Pulse. 

• Fully software driven. All input parameters are 

programmable. An external hand-held programmer 

or an integral transmitter mounted programmer (both 

optional) enables on-site calibration and indication of 

process parameters. 

• Heavy-duty all metal case construction and 

carefully designed input and output circuitry ensures 

a high degree of protection from adverse 

environmental conditions to maximize RFI/EMI 

immunity. 

• High precision linearization for Thermocouple 

and RTD sensor inputs, Inverse output capability, 

variable input signal damping, Sensor breakdown 

indication, full display scaling capability, auto-zero 

input, and more. 

• Advanced signal processing t e c h n o l o g y 

provides features not commonly found among other 

smart transmitters such as: Square-root function, 

Loop-simulation, and optional capabilities for Dual 

Inputs and Mathematical manipulations. 

• The SST is available for surface or DIN r a i l 

mounting, and can be furnished in NEMA 4 and 

Explosion-Proof enclosures. 

The SST-200 is one of the most advanced, userfriendly 

and powerful, smart 2-wire transmitters. 

The state of the art micro-processor design 

combines simplicity, precision and ruggedness to 

produce a unique product suitable for industrial 

measurements in countless applications. 

OPTIONAL FEAT U R E S : 

• LCD Display. 

• Programmers, hand-held or integrally 

mounted, both with LCD display. 

• Digital communication for interfacing with 

PC, PLC, and remote programmers 

(HART ® Protocol). 

MESCON 



Phone: 815-464-5004 

Fax: 815-464-5003 



HART®-Smart Communications Protocol Specification is a trademark of Rosemount, Inc.

SMART ISOLATED 2-WIRE TRANSMITTER 

Signal Transmission - The Smart Way 

SeriesSST-200 


INPUTS: 

Thermocouples (types E, J, K, T, R, S, N, B, C) 

RTD 2, 3, and 4-wire Pt-100, (DIN & NIST curves) Pt-200, 

Ni-100, Cu-10 and other RTDs. 

DC mV ±120.00mV input span. 

Potentiometers 100Ω to 20KΩ. 

Resistance 2, 3, and 4-wire 0 to 600Ω. 

Optional:DCmA, DCV. 

Optional:AC-Volts, AC-Amps, Frequency/Pulse. 

MINIMUM RANGE: 

None. limited only by signal quality. 

DIGITAL RESOLUTION: 

>17 Bits. 

OUTPUTS: 

4-20mA isolated analog current loop, standard. 

Optional: Digital communication, HART ® Protocol. 

DISPLAY: 

8x1 Character LCD indicator for programming and display 

of input and output parameters and status. 

SUPPLY: 

12-45 VDC (@ no load). Reverse polarity protected. 

OPERATING CONDITIONS: 

-20°C TO +70°C. 0-95% RH, non-condensing. 

STORAGE TEMPERATURE: 

-55°C to +125°C 

TURN-ON TIME: 

Within 4 seconds to rated response. 

RESPONSE TIME: 

0.5 seconds to 99% of reading (2 updates per second). 

DAMPING FACTOR: 

Programmable 0.0 to 32.0 seconds. 

LONG TERM STABILITY: 

Better than ±0.1% of span for 6 months. 

ISOLATION: 

800 VDC or peak AC 

RFI/EMI IMMUNITY: 

Tested per SAMA PMC 33.1C from 20 to 1000 MHz and 

for field strength up to 30 V/m. 

C.M.R.R.: 

>120db DC to 60 Hz 

ENCLOSURE: 

Extruded, anodized Aluminum. 

DIMENSIONS: 

3.00" x 2.44" x 2.46" (without display) 

3.00" x 2.44" x 3.00" (with display) 

(Hockey-puck housing. Suitable for mounting inside 

3.5" diameter explosion-proof enclosures. 


ANALOG OUTPUT RESOLUTION: 

0.025% of span (±4 µA) 

ANALOG OUTPUT (D/A) LINEARITY: 

±0.025% of span. 

DIGITAL SENSOR LINEARIZATION: 

Series SST-270 

Smart, Isolated, loop powered 

Flow Rate transmitters 

STANDARD FEATURES 

SST-270K 

• 

User Friendly - fully prompted 

programming 

• Heavy duty all metal construction 

In Ex-proof enclosure 

The SST-270 is a smart, state of the art, 

µP based, frequency/Pulse input, Flow- 

Rate 2-wire transmitter. It incorporates 

advanced circuitry and firmware including 

user defined 16-point linearization capability, 

which enables it to provide a high 

degree of precision performance and 

user flexibility in industrial flow measurement 

applictions. 

The SST-270 is a member of Mescon’s 

advanced user friendly and high-precision, 

line of industrial, process measurements 

line of 2-wire transmitters. 

Custom versions are available for special 

purpose and OEM applications 

MESCON 


• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

16 point K-factor linearization 

Direct programming in flow units 

Advanced digital signal filtering 

Automatic flow units conversion 

High input range sensitivity 

Loop Powered, 4-20mA output 

User defined input trimming 

Flush, DIN rails or Ex-proof mounting 

OPTIONAL FEATURES 

8-character Display/programmer for 

direct reading of Flow-Rate and units 

(K-option). 

Digital communications HART protocol 

providing universal HART commands 

(H-option) 

Hand Held display/programmer for on-site 

programming (STP-200) 

Magnetically activated keys for programming 

thru Ex-proof enclosure window (R-option) 




Smart, Isolated, loop powered 

Flow Rate transmitters 


Inputs:...........................Frequency/Pulse. Magnetic pick-up, opto 

or Hall effect sensors. 

Input Range:..................................................0.5 to 4000 Hz 

Trigger Sensitivity:.....................................................30 mV 

Over Voltage Protection:......................................300 VDC 

Digital Resolution:................................................>17 bits. 

Outputs:..................4-20mA isolated current loop, standard. 

Optional: HART R Protocol communiction 

Maximum Load:................................R max 

= (V supply 

- 12) /20mA 

Display/Programmer:............8x1 Character LCD indicator 

for programming and display 

of input/output parameters 

and status (K-option). 

Supply:..................................12-40 VDC (@ no load). 

Reverse polarity protected 

Operating Conditions:..............-4 0 F to 158 0 F (-20 0 C to 70 0 C). 

0-95% RH, non-condensing. 

Storage Teperature:................-67 0 F to 257 0 F (-55 0 C to 125 0 C) 

Turn-on Time:.....................Within 4 seconds to rated response. 

Response Time:..........Linear Input: 0.5 second to 99% 

of reading (2 updates/second). 

Linearized Input: 1 updates second). 

Filter:........................Damping: Programable 0.0 tp 60.0 seconds. 

Band: 0 to 99% (% range where damping 

is applied) 

Long Term Stability:...............Better than ±0.01% of span for 

6 months. 

Isolation:..............Input/Output: 800 VDC or peak AC 

Terminals to case: 500 VDC or peak AC. 

RFI/EMI Immunity:..............Tested per SAMA PMC 33.1C 

from 20 to 1000 MHz and for 

field strength up to 30 V/m. 

(CE Marked). 

Enclosure:....................Extruded, anodized Aluminium. Optional 

NEMA 4 or explosion proof housing. 

Dimensions:...................3.00” x 2.44” x 2.46” (w/o display) 

3.00” x 2.44” x 3.00” (with display) 

Hockey-puck housing. 

Analog output Resolution:................0.025% of span (±4µA) 

Analog Output Linearity:...........±0.025% of span. (for D/A) 

Supply Voltage Effect:..............................

Smart Isolated 2-Wire Transmitter 

Signal Transmission-The Smart Way 


FEATURES: 

• Universal input capability in 3 variations 

to accept most of today's process 

parameters: All Thermocouples, RTD's, 

DCmV, Potentiometers, Resistance sensors, 

DCmA, DCV, Frequency and pulse. 

• Fully software driven. All input parameters 

are programmable. An external 

hand-held programmer or an integral 

transmitter mounted programmer (both 

optional) enable on-site calibration and 

indication of process parameters. 

The SST-300 is one of the most advanced, 

user-friendly and powerful, smart 2-wire 

transmitters. The state of the art microprocessor 

design combines simplicity, 

precision, and ruggedness to produce a 

unique product suitable for industrial measurement 

in countless applications. 

• High precision linearization for Thermocouple 

and RTD sensor inputs, Inverse 

output capability, variable input signal 

damping, Sensor breakdown indication, 

full display scaling capability, auto-zero 

input, and more. 

• Advanced signal processing technology 

provides features not commonly found 

among other smart transmitters such as: 

Square-root function, Loop-simulation, 

and optional capabilities for Dual Inputs 

and Mathematical manipulations. 

• The SST is available for surface or DIN 

rail mounting, and can be furnished in 

NEMA 4 and explosion-proof enclosures. 

• LCD Indicator 

OPTIONS: 

• Programmers, hand-held or integrally 

mounted, both with LCD indicator. 

• Digital communications for interfacing 

with PC's, PLC's, and remote programmers 

(HART ® Protocol) 



Smart Transmitter 

Power 

SST-300-B 

S/N 9309336 

4.56 

(116) 

1.75 

(44) 

1 2 

+ 5 – 6 

3 4 

0.62 

(16) 

2.62 

(67) 

2.87 

(73) 

0.79 

(8) 

1.75 

(44) 

2.62 

(67) 


SST-300-B-D 


SST-300-B-K 

1.75 

(44) 

2.62 

(67) 

Mescon Technologies 

Power 

35 mm 

DIN RAIL 

Optional Programmer Display 

Optional Display 

Standard 

Hand-Held Programmer 

123 

(4.84) 

x 29 mm 

(1.14") Thick 

70 

(2.75) 

STP-200 

Smart 

Transmitter 

Programmer 

, 

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Top View 

Side View


INPUTS TYPES: 

Thermocouples ........ (types E, J, K, T, R, S, N, B, C) 

RTD ......................... 2, 3, and 4 wires Pt-100, (DIN 

& NIST curves), Ni-100, and 

other RTD's. 

DC-mV..................... ±120.00mV input span. 

Potentiometers ........ 100 ý to 20 ký 

Resistance............... 2,3 and 4-wire 0 to 600 ý. 

Optional Inputs ........ DCmA, DCV. Optional: Pt-300, 

Frequency/Pulse. 

Minimum Range ...... None, limited only by signal quality. 

Digital Resolution .... >17 Bits. 

Output Standard ...... 4-20mA isolated analog 

current loop, standard. 

Output Optional ....... Digital communications, 

HART ® Protocol/4-20mA output 

Display Optional ...... 8 x 1 Character LCD indicator 

for programming and display 

of input and output parameters 

and status. 

Power Supply .......... 12-45VDC (no load). Reverse 


Operating 

Temperature ............ –20°C to +70°C. 

Storage 

Temperature ............ –55°C to +125°C 

Humidity .................. 0-95% RH, non-condensing 

Maximum Load ........ R max = (V supply-12V)/20mA 

Turn-On-Time .......... Within 4 seconds to rated 

response 

Response Time ...... 0.5 seconds to 99% of reading 

(2 updates per second) 

Damping Factors ..... Programmable 0.0 to 32.0 

seconds 

SPECIFICATIONS: Cont. 

Long Term Stability ...............Better than ±0.1% of 

span for 6 months 

Isolation ................................1500 VDC or peak AC 

C.M.R.R ................................>120db DC to 60Hz 

Enclosure .............................Din rail mounted. ABS 

housing, Noryl VO 150 

Front 


Analog Output 

(D/A) Linearity ........................±0.025% of span 

Digital Sensor 

Linearization .........................

Smart Isolated 2-Wire Transmitter 

Signal Transmission-The Smart Way 


1 2 

3 4 


SST-300-D 

Power 

HART ® 

PROGRAMMER 

(REMOTE) 

+ 5 – 6 

,, 

,, 

,, 

,, @@ €€ ÀÀ 

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€ À 

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STP-200 

R 

L 

– 

+ 

POWER 

SUPPLY 

Smart 

Transmitter 

Programmer 

BELL 202 

MODEM 

PLC/PC 

Sample loop showing the SST-300 with both analog and digital devices 


SST - 3 - X1 - 0 - X2 - X3 

Input Options: 

0 - T/C, RTD, mV, Pot, RES 

1 - DC-mA, DC-V 

2 - Frequency/Pulse 

EXAMPLE: 

SST-300-B-A 

SST-300-K-H 

Output Options 

A - (4-20)mA Analog output 

H - HART ® + (4-20)mA 

Programming Options: 

B - Basic/Programming via 

STP-200 external programmer 

D - Same as option B with 

integral display 

K - Programming via front panel 

keyboard and display 



HART ® is a registered trademark of Hart Communications Foundation 


Tel: 815-464-5004 • Fax: 815-464-5003 



SST-300 11.97

Series IQ 

The Universal 2-Wire Transmitters 

IQ series is the world’s first 2-wire 4-20mA analog transmitter 

to offer a combination of selectable input and multiranging 

capabilities in a single DIN rails mounting instrumentation 

package. 

Input sensor type is selectable via DIP switch configuration 

and offers the choice of most common sensors used in the 

industrial environment. Ranging is equally easy and can be 

done in a matter of minutes. 

Only one instrumennt is used for all types and ranges of 

thermocouples, RTD’s, Potentiometric and DC inputs. 

IQ ADVANTAGES: 

• Universal inputs 

• High density design 

• High accuracy 

• Reduced inventory 

• Low cost 

The IQ is housed in a slim line High Density package for a 

minimum of panel space and highest cost efficiency. 

MESCON 




Series IQ 


IQ GENERAL SPECIFICATIONS 

Output....................................................4-20mA limiting at

Series IQ 


Output ripple (to 1kHz)..........................120 db DC to 60Hz. 

Zero/Span adjustability...........................±20% of span min. 

Operating temperature...........................-10ºC to 70ºC 

Humidity.................................................0 to 95%RH, non-condensing 

Mounting................................................DIN rail 35mm or panel. 

Dimensions............................................W:22.5 x H:79 x D:83mm. 

DC/mA 

3 

POTENTIOMETRIC 

4 

INPUT 

Minimum 10µA 

Maximum 100mA 

Minimum 100Ù 

Maximum 20KÙ 

RANGE 

4-20 mA 4-20 mA 

OUTPUT 

INPUT SPAN: 

Minimum: 10µA 

Maximum: 100mA 

INPUT PROTECTION 

(60 seconds): 

20X of rated input 

250mV maximum 

VOLTAGE DROP: 

200mV maximum. 

STABILITY (10 mV input): 

Zero: Better than 0.005% of span/ ºC 

Span: Better than 0.007% of span/ ºC 

LINEARITY: 

± 0.05% for linear input. 

INPUT SPAN: 

10% of potentiometer, min. 

RESISTANCE (end to end): 

Maximum: 100 Ohms 

Maximum: 20 kOhms 

SENSOR EXCITATION: 

50mV constant voltage (nominal) 

STABILITY: 

Zero: 0.01% of span/ ºC 

Span: 0.007% of span/ ºC 

LINEARITY: 

± 0.05% of span refered to 

potentiometer wiper position.

Series IQ 



Model - IQ / 2 - K (25-1000) C - IS 

Input type: 

1: Pt-100 

2: T/C 

3: DC 

4: Potentiometer 

Units 

Isolation: 

IS - Isolated 

NI - Non Isolated 

Thermocouple 

Type 

Range 

IQ SET-UP 

MESCON 


Phone: 815-464-5004 

Fax: 815-464-5003 

Distributed by:

Electrical Parameters Measurement 

AC POWER/CURRENT/VOLTAGE 

EP Series 

The EP series is a high accuracy family of electrical 

parameter measurement instruments featuring full 

galvanic isolation. The entire series is available as 

a two wire loop powered transmitter or a four wire 

AC or DC powered signal conditioning units. 

The EP series inputs and outputs can be easily 

configured without requiring special tools or board 

modifications. AC conversion is performed using 

either full wave rectification or via true RMS 

methods. 

For units with current output a Test provides a 40- 

200 mV signal proportional to the 4-20mA output. 

Applying a DVM to the TEST terminals allows for 

monitoring and verification of the output without 

interrupting or disconnecting the current loop. 

Optional features include dual trip alarm relays 

(2A@250V) capability with dual LED status 

FEATURES: 

• 2 wire transmitter system OR 

• 4 wire versions (AC or DC) powered 


• Over 2000 Volts isolation 

• High density Din rail mounting 

• Accuracy better than 0.25% 

• FWR average signal conversion 

• Output test terminals 

OPTIONS: 

• True RMS conversion measurement 

• Single or dual alarm output with LED status 

indication 

• Custom calibration & special features. 

• Input currents to 12 Amps. 

• Input voltage to 750 Volts 

MESCON 




Loop Powered 

AC/DC Powered


Supply Voltage ........................(Loop Powered) ...................................... 10 - 36 VDC Polarity protected 

(DC Powered)......................................... 24 VDC Polarity protected 

(AC Powered) ......................................... 115 or 230 VAC ±10%, 50/60 Hz. 

Input Ranges ..........................EPI (current)........................................... Min. 0 - 1 Amp, Max. 0 - 10 Amps 

AC current: 40 Hz - 2 kHz 

EPV (voltage) ......................................... Min. 0 - 3 Volts, Max. 0 - 500 Volts 

AC Voltage: 40 Hz - 2 kHz 

EPW (watts) ........................................... AC Watts: 40 Hz - 2 kHz 

Voltage: to 500 V, Current: to 10A 

Outputs .................................. (Loop Powered) ...................................... 4-20mA, limiting at

Electrical Parameters Measurement 

AC POWER/CURRENT/VOLTAGE 

EP Series 

0.87 

(22) 

0.75 

(19) 

4.00 

(102) 

1 2 3 4 

9 10 11 12 

ZERO 

SPAN 

SET 1 

1 A 

L 

A 

2 R 

M 

3.50 

(89) 

2.375 

(60) 

SET 2 

13 14 15 16 

5 6 7 8 

DIN rail 

INPUT TYPE: 

EP SERIES - ORDERING INFORMATION 

EPX - (X/X) X - XX - X - X - X - (X/X) X 

UNITS: 

I = Current 

V = Voltage 

W = Watts 

INPUT RANGES: 

EPI - Min. 0 ÷ 1 Amp, Max. 0 ÷ 10 Amps. 

AC current 

EPV - Min. 0 ÷ 3 Volts, Max. o ÷ 500 Volts 

Ac Voltage 

EPW - AC Watts: Min. 0 ÷ 3 Wt, Max. 0 ÷ 5 kWt 

Voltage: to 500V, Current: to 10A 

UNITS: (I, V, W) 

LINE FREQUENCY: 

1 - 50 Hz 

2 - 60 Hz 

3 - 400 Hz 

4 - Other(specify) 

POWER SUPPLY: 

1 - loop powered 

2 - 24 VDC 

3 - 115 VAC 

4 - 230 VAC 

CONVERSION: 

1 - true RMS 

2 - average 

Please request our ordering and calibration diskette describing the balance of Mescon's products. 

OUTPUT RANGE: 

(low/high) 

ALARM: 

0 - none 

1 - single set -point 

2 - dual set -point 

MESCON 


Phone: 815-464-5004 

Fax: 815-464-5003 

Distributed by: 

EP 4.98

Pt-100 RTD 2-Wire Temperature Transmitters 

Field mounted, Precision, Universal 

Model UTI/1, UTN/1 

The UTI/1 is a precision Field Mounted loop-powered 2-wire transmitter with galvanic isolation 

between its input and the current loop output signal. It provides the circuitry for the excitation, 

amplification and linearization of signals from RTD sensors. The input circuit can accept 2 or 3-wire 

RTDs for either a direct or a differential temperature measurement. Specially designed circuitry 

provides excellent protection from external EMI/RFI sources. 

FEATURES: 



• Excellent EMI/RFI protection 

• User selectable input types, 

2 or 3 wire RTDs 

• 1000 Volts isolation (UTI) 

The UTN/1 is a non-isolated lower cost version 

of the UTI/1 for those applications which requires 

its precision and RFI immunity but do not require 

Input/Output isolation. 

Both model UTI/1 and UTN/1 can be easily 

ranged without requiring special tools or board 

modifications. The transmitters are members of 

Mescon's family of advanced Universal Input 

Transmitters which may be readily re-configured 

to accept other popular inputs such as 

Thermocouples, mV/mA/Volt and Potentiometers. 

• Differential measurement mode 


OPTIONS: 

• 4-wire Pt-100 sensors 

• Other Pt, Ni, NiFe, Cu RTD sensors 





Pt-100 RTD 2-Wire Temperature Transmitters 




3-WIRE RTD 

Input ....................................... Pt-100, 2-wire, 3-wire, differential 

Output .................................... 4-20mA, 2-wire, limiting @ < 28mA 

Input Span .............................. 10°C (18°F) min 

800°C (1440°F) max 

Calibration Accuracy .............. ± 0.1% of span, BSLF, referred to 

the sensors (incl. linearity) the 

sensor actual temperature 

Lead Wire ............................... Automatic, for 3-wire sensors 

Compensation 

Burnout Detection .................. Upscale, Standard 

Temperature Stability .............. better than ± 0.02% of span/°F 

I/O Isolation (UTI) ................... > 1000 VDC or peak AC 

C.M.R.R. (UTI) ........................ > 120 db, DC to 60 Hz 

EMI/RFI Protection ................. Tested per SAMA PMC 33.1 from 

20 to 1000 MHz and field strength 

to 30 V/m, meets specifications 

Output Ripple ......................... < 0.01% of span (to 5KHz) 

Adjustments ........................... > ± 25% for both ZERO and SPAN 

Power Supply Range .............. 10-50 VDC, polarity protected 

UTI/1 

1 

2 3 4 

– 

5 6 + 

2.75 in 

(70 mm) 

3.04 in 

(77 mm) 

1.36 in 2.75 in 

(70 mm) 

Output 

loop 

+ 

– 

(35 mm) 

1.87 in 

(48 mm) 

Operating Temperature ........... – 20°C to 70°C, (0°F to 160°F) 

Humidity ................................. 0 to 95% RH, non-condensing 

Maximum Load ....................... Rmax = (Vsupply -10V)/20mA 



UTI/1 - 3 - (XX-XXX) F 


UTI = Isolated 

UTN = Non-Isolated Units °F or °C 

2=2 lead, 3=3 lead, Input Range 

d=differential 




1. Connect the input signal according the interconnection diagram. 

2. Connect the output signal to a digital indicator. 

3. Connect the power supply according to the drawing, observe for 



It is assumed that the unit undergoing calibration has been properly ranged 

at the factory or workplace. 

1. Connect an RTD simulator to the UTI/1 input terminals according to 

the wiring diagram. 

2. Complete the output loop using a power supply and a precision digital 

current indicator. Turn the power on. 

3. Set the input to the desired minimum signal and adjust the ZERO pot 

until the current indicator reads 4.00mA. 

4. Set the input to the desired maximum signal and adjust the SPAN pot 

until the current indicator reads 20.00mA. 


Note: If the unit can not be calibrated to the desired range, it should be 

returned to the workshop for proper ranging. 


Tel: 815-464-5004 • Fax: 815-464-5003 



UTI/1, UTN/1 11.97

Thermocouple Input 2-Wire Temperature Transmitters 



Model UTI/2 is a precision loop-powered 2-wire transmitter with galvanic isolation between its 

input and the current loop output signal. It includes the necessary circuitry for the amplification 

and processing of signals from Thermocouple sensors. The input circuit can accept all types of 

Thermocouples and provides the ice point reference compensation. Specially designed circuitry 

provides excellent protection from external EMI/RFI sources. 

The UTN/2 is a non-isolated, lower cost version of the UTI/2 for those applications which require 

its precision and RFI immunity but do not require Input/Output isolation. 

The UTI/2 and UTN/2 can be easily ranged without requiring special tools or board 

modifications. The transmitters are members of Mescon's family of advanced Universal-Input 

transmitters which may be readily re-configured to accept other popular inputs such as Pt-100 

RTDs mV/mA/Volt and Potentiometers. 




• All known Thermocouples 

• User selectable T/C type 


• 1000 Volts isolation (UTI) 




FEATURES: 

OPTIONS: 



Thermocouple Input 2-Wire Temperature Transmitters 




THERMOCOUPLE 

+ 

– 

Input ....................................... All known Thermocouple types 

Input Span ............................. 5mV min (10mV for rated accuracy) 

Burnout Detection .................. Upscale, standard 

Downscale, optional 

Input Impendance .................. > 10Mý on all ranges 

Output Span ........................... 4-20mA, limiting @ < 28mA 

Reference Junction ................ 1°C accuracy for 0-50°C ambient 

Linearity ................................. Better than 0.025% referred 

to mV input 

Temperature Stability ............... Better than ± 0.02%/°F (10 mV input) 

C.M.R.R. ................................ > 120 db, DC to 60 Hz 

I/O Isolation ............................ > 1000 VDC or peak AC 

EMI/RFI Protection ................. Tested per SAMA PMC 33.1 

from 20 to 1000 MHz for field 

strength to 30 V/m, meets 

specifications 

Power Supply ......................... 10-50 VDC, reverse polarity 

protected 

UTI/2 

1 

2 3 4 

– 

5 6 + 

2.75 in 

(70 mm) 

3.04 in 

(77 mm) 

1.36 in 2.75 in 

(70 mm) 

Output 

loop 

+ 

– 

(35 mm) 

1.87 in 

(48 mm) 

Supply Voltage Effect ............. Negligible 

Output Ripple ......................... < 0.01% of Span to 5KHZ 

Adjustments ........................... > ± 25% for both ZERO and SPAN 

Operating Temperature ............ – 20°C to 70°C, (0°F to 160°F) 

Humidity ................................. 0-95% RH, non-condensing 

Maximum Load ...................... Rmax = (Vsupply -10V)/20mA 




UTN = Non-Isolated 


UTI/2 - T - (XX-XXX) F 

Units °F or °C 


Input Range 











1. Connect an thermocouple simulator to the UTI/2 input terminals using 

specific thermocouple wires. Observe for proper polarity. 


current indicator. Turn the power on. For optimum performance, 

allow 15 minutes for temperature gradients to equalize. 









Tel: 815-464-5004 • Fax: 815-464-5003 



UTI/2, UTN/2 11.97

DC mV/mA/Volt Input, 2-Wire Signal Conditioners 

Field Mounted, Precision, Universal 


Model UTI/3 is a precision loop-powered 2-wire transmitter with galvanic isolation between 

its input and the current loop output signal. The UTI/3 provides the necessary circuitry for 

amplification and processing of DC mV/mA/Volts signals from various sensors and signal sources. 

Specially designed circuitry provides excellent protection from external EMI/RFI sources. 

The UTN/3 is a non-isolated, lower cost version of the UTI/3, for those applications which require 

its precision and RFI immunity but do not require Input/Output isolation. 

The UTI/3 and UTN/3 can be easily ranged without requiring special tools or board 

modifications. The transmitters are members of Mescon's family of advanced Universal-Input 

transmitters which may be readily re-configured to accept other popular inputs such as Pt-100 

RTDs, Thermocouples and Potentiometers. 

FEATURES: 




• User selectable input 


• Over 1000 Volts isolation (UTI) 


OPTIONS: 

• Input voltage to 500 VDC 





DC mV/mA/Volt Input, 2-Wire Signal Conditioners 

Field Mounted, Precision, Universal 



DC mV 

+ 

– 

Input ....................................... DC mV, mA or Volts 

Output .................................... 4-20 mA, 2-wire, limiting @ < 28mA 

Input Range (std.) .................. Voltage: 5mV min, 300V max 

(500V opt) Current: 10mA min, 

100mA max (200mA opt) 

Input Protection ...................... X20 of rated input to 500VDC max for 

for voltage input, 500mA max 

for current. 

Linearity ................................. Better than ± 0.025% of span 

Calibration Accuracy .............. ± 0.1% of span for linear input 

Input Impedance .................... ž 10Mý for inputs 200mV 

ž 1.0Mý for inputs >200mV 

Voltage Drop .......................... 200mV on current input 

I/O Isolation ............................ > 1000 VDC or peak AC 

EMI/RFI Protection ................. Tested per SAMA PMC 33.1 from 



C.M.R.R. ................................ > 120 db, DC to 60 Hz 


Adjustments ........................... > ± 25% for both Zero and Span 

Power Supply Range .............. 10-50 VDC, reverse polarity protected 

UTI/3 

1 

2 3 4 

– 

5 6 + 

2.75 in 

(70 mm) 

3.04 in 

(77 mm) 

1.36 in 2.75 in 

(70 mm) 

Output 

loop 

+ 

– 

(35 mm) 

1.87 in 

(48 mm) 


Operating Temperature ........... – 20°C to 70°C, (0°F to 160°F) 

Temperature Stability .............. Better than ± 0.02% of span/°F 

Temperature Humidity ............ 0-95% RH, non-condensing 

Maximum Load ....................... Rmax = (Vsupply -10V)/20mA 






UTI/3 - (XX-XXX) V 

Input Units - mV, mA, V 

Input Range 











1. Connect a DC Voltage simulator to the UTI/3 input terminals. 

Observe for proper polarity. 


current indicator. Turn the power on. 









Tel: 815-464-5004 • Fax: 815-464-5003 



UTI/3, UTN/3 11.97

Potentiometric Input 2-Wire Transmitter 

Filed Mounted, Precision, Universal 


Model UTI/4 is a precision loop-powered 2-wire transmitter with galvanic isolation between its 

input and the current loop output signal. The UTI/4 provides the necessary circuitry for 

excitation, amplification and processing of signals from Potentiometers and slide wires. Specially 

designed circuitry provides excellent protection from external EMI/RFI sources. 

The UTN/4 is a non-isolated, lower cost version of the UTI/4, for those applications which require 

its precision and the RFI immunity but do not require Input/Output isolation. 

The UTI/4 and UTN/4 can be easily ranged without requiring special tools or modifications. The 

transmitter is a member of Mescon's family of advanced Universal Input Transmitters which can 

be readily re-configured to accept other popular inputs such as Thermocouples, mV/mA/Volts 

and Pt-100 RTD sensors. 

FEATURES: 




• User selectable range 


• Over 1000 Volts isolation (UTI) 


OPTIONS: 





Potentiometric Input 2-Wire Transmitter 

Filed Mounted, Precision, Universal 



POTENTIOMETER 

+ 

Input ....................................... 3-wire Potentiometer / Slide wire 

Output .................................... 4-20mA, 2-wire, limiting @, 1000 VDC or peak AC 

C.M.R.R. ................................ >120 db, DC to 60 Hz 

EMI/RFI Protection ................ Tested per SAMA PMC 33.1 from 




Adjustments ........................... > ± 25% for both Zero and Span 

Power Supply Range ............. 10-50 VDC, reverse polarity 

protected 

UTI/4 

1 

2 3 4 

– 

5 6 + 

2.75 in 

(70 mm) 

3.04 in 

(77 mm) 

1.36 in 2.75 in 

(70 mm) 

Output 

loop 

+ 

– 

(35 mm) 

1.87 in 

(48 mm) 


Operating Temperature ............ – 20°C to 70°C, (0°F to 160°F) 

Temperature Stability ............. ± 0.02% of span/°F (0-100% range) 

Humidity ................................. 0-95% RH, non-condensing 

Maximum Load ........................ Rmax = (Vsupply -10V)/20mA 





Potentiometer value in (Ký) 


UTI/4 – 5 – (XX-XXX) – X 

Engineering Units 

Input Range(%) 











1. Connect a precision digital potentiometer (a multi-turn potentiometer 

with digital display) of proper value to terminals 2, 3, & 4. 


current indicator. 

3. Set the wiper to the desired minimum signal and adjust the ZERO pot 


4. Set the wiper to the desired maximum signal and adjust the SPAN pot 






Tel: 815-464-5004 • Fax: 815-464-5003 



UTI/4, UTN/4 11.97

Industrial Relative Humidity Probe 

HYGROTEC-81 

HYGROTEC-81provides for relative humidity measurement in a ruggerdized industrial probe. The integral 

electronics circuitry is housed in a sealed splash-proof enclosure to provide extra protection in industrial 

environments. 


Sensing method..........................................Bulk resistive polymers 

Range.............................................................15 to 95% 

Adjustments.................................................2 Potentiometer, SPAN, ZERO 

Supply...........................................................2 Wire systems, 8 to 40 Volt DC 

Output Signals.............................................4-20 mA for 0-100%,15% RH=6.4 mA, 

95% RH=19.2 mA 

Accuracy.......................................................+/-3% RH within range, +/-5% outside range 

Operating temperature...............................0 to 60 deg.C 

Electrical Connection.................................1m cable, 2 wire.Option: 3 wire 

Response time............................................~20 sec. for 90% of linear value 

Housing.........................................................Tubular, Dia: 25mm, Length: 165mm 

Weight.............................................................100 gr 

Mounting........................................................Brackets 

Sensor washability......................................Distilled water 

OPTION 81 

Temperature measurement, range. ........0-80 

oC 

Sensor type...................................................Pt-100 

Signal output................................................Loop powered, 4-20 mA 

Application Areas: 

• Clean rooms 

• Computer rooms 

• Process areas 

• Printing shops 

• Storage areas 

• Climate chambers 

• Botanical 

• Cold stores 

• Greenhouses 

• Mushroom growers 

• Photo industry 


HYGRO-81 - TEMP 


Option 

MESCON 




HYGROTEC-HVAC 

Relative Humidity Transmitter for 

HVAC Applications 

HYGROTEC is a cost effective family of quality instruments designed for Relative Humidity measurements. 

The HYGROTEC series use the latest high technology design and construction methods, ensuring reliable 

measurements under demanding conditions. HYGROTEC’s relative humidity probes use the bulk resistive 

polymer sensor technology. 

HYGROTEC-HVAC room Relative Humidity 2-wire tramsmitter converts the sensors’ output into a loop - 

powered 4-20mA signal which is linearly proportional to the RH in the air. The transmitter is housed in an 

attractively styled slim-line enclosure suitable for mounting in a great variety of indoor installation. 

Actual size 


Sensing method..............................Bulk resistive polymer 

Range.................................................15 to 95% 

Linearity............................................+/-3%RH within range, +/-5% outside range 

Operating temperature...................0 to 70°C 

Response time...............................~20 sec. for 90% of linear value 

Calibration........................................2 Potentiometers, ZERO, SPAN 

Housing...........................................31mm x 119mm x 20mm 

Color....................................................Beige 

Weight................................................100 gr 

Supply..............................................2 Wire systems, 8 to 40 Volt DC 

Output Signals.................................Loop powered, 4-20mA, 15%RH=6.4mA, 

95%RH=19.2mA 

Electrical Connection.....................Screw Terminals 

Wall mounting.................................2 Screws, diam 3mm 

Sensor washability..........................Distilled water 

Applications : 

• Clean rooms 

• Storage areas 

• Climate control 

• Museums 

• Computer rooms 

• Hospitals 


HYGROTEC-HVAC 

MESCON 




Temperature Sensor-Transmitter Combo 

Ambient Temperature Measurements 

MODEL TSC-10 

FEATURES: 

• Rugged construction 

• Simple installation 

• Low cost-high performance 

• IP66 protection 

OPTIONS: 

• Non-standard ranges 

• Non-standard configurations 

• Custom features 

The TSC-10 is a highly cost effective product designed to measure the ambient temperature of 

its environment. Its reliable design and construction ensure precision measurement under 

demanding conditions. 

The TSC-10 converts the temperature of its precision 1000ý RTD sensor into a loop-powered 

4-20mA signal which is linearly proportional to the sensor temperature. The transmitter is enclosed 

in a plastic NEMA 4 enclosure which is suitable for a variety of installations. 

Primary application areas include agricultural, green houses, mushroom farms, chicken farms, 

hatcheries, dry and wet storage, heating and air conditioning, environmental chambers, computer 

rooms, refrigeration rooms. 



Temperature Sensor-Transmitter Combo 

Ambient Temperature Measurements 

MODEL TSC-10 


Output .............................. 4-20mA, limited @ 28mA 

Supply Voltage ................. 8-36 VDC, polarity protected 

Maximum Load ................ R(Ký) – (V supply - 8)/20mA 

Resistance 

Power 

Supply 

2.50 

(64) 

Monitor 

2.125 

(54) 

0.50 

(13) 

Supply Voltage Effect ........ Negligible 

+ 

– 

Input Sensor .................... RTD, 1000 Ohms @ 0°C 

Measurement Range ........ 0°C - 50°C (32°F - 122°F) 

std. 

Linearity ........................... Better than ±0.03% (referred 

to sensor's temperature) 

Stability ............................ Better than 0.01%/°C 

Connection ....................... Screw terminal via cable 

gland 

Operating Temperature ..... –20°C to 70°C 

3.69 

(94) 

3.50 

(89) 

ZERO 

SPAN 

Humidity ........................... 0-100% RH, non-condensing 

Enclosure Protection ........ IP66 (NEMA4) 

Mounting .......................... 4-holes, 4 mm diameter 

Model TSC-10 



TSC-10 - (0-50) °C or °F 

Measurement 

Temperature Range 


describing the balance of Mescon's products. 



1. Remove the top cover of the plastic enclosure. 

2. Insert the output cable through the cable gland. 

3. Connect the positive supply lead to the (+) terminal. 

4. Connect the negative supply lead to the (–) terminal. 

5. Tighten the cable gland to secure its water tight seal. 

6. Replace the top cover and secure the screws for a water tight seal 

of the electronics assembly. 

Note: The electronics assembly is environmentally sealed by the cable 

gland and the IP66 enclosure. Care should be taken in order to use 

the proper cable size and type and to ensure that the cover is properly 

seated and the gland is correctly sealed. 


1. Calibrating the TSC-10 requires the removal of the sensor wiring 

from the electronics board. 

2. The electronics assembly is environmentally sealed by a cable gland 

at the top of the housing. Care should be taken so as to avoid any 

damage to it. 


Tel: 815-464-5004 • Fax: 815-464-5003 



TSC-10 11.97

2-Wire Pressure Transmitter 

Corrosive & High-Purity Applications 

Series LW-300 

Designed specifically for use in harsh chemical processes that typically utilize Plastic or Plastic-Lined Piping 

systems. This Transmitter offers highly corrosion resistant construction combined with high precision measurement 

without a need for Gauge Isolator. The replaceable Wet-End in combination with the available 

choices of construction materials makes the LW-300 suitable to a wide range of applications in varying process 

industries. A wide range of optional process connections also increases the versatility of the LW-300. 

C 

C 

C 

C 

C 

C 

Easily replaceable wet-end results 

in a wide range of chemical compatibility 

and reduces plant inventory 

requirements. 

Corrosion resistant construction 

eliminates the need for diaphragm 

isolators in corrosive applications. 

Non-Metallic: Only materials in contact 

with the process liquid are 

CPVC (PVDF optional) Ceramic and 

Viton (other elastomers optional). 

Suitable for use with high purity liquids. 

Choice of process connections: 

Male Threads or optional Flange & 

Sanitary Tri-Clamp. 

2 wire design utilizing a temperature 

compensated capacitance type 

sensing element to provide a linear 

high precision output. 

Heavy duty construction in a NEMA 

4X housing. 

LW-400 shown with CPVC wet-end, 1/2” NPT 

Check with us for assistance in selecting 

the proper materials for your applications. 

MESCON 




AC Input High Current Transmitters 

Precision, Loop Powered 

Series T26 

Series T26 represents a new concept for high AC current measurements. The new units combine the 

reliability of high precision high capacity current-transformers with the proven performance of Mescon's 

AC input 2-wire transmitters. The T26 offer a coherent industrial solution to current measurement 

problems of up to 1000A. The output is a linear current loop, 4-20mA which is proportional to the 

electrical current flowing through the T26 core. 

A test terminal provides a 40-200mV signal proportional to the 4-20mA output for monitoring and 

verification of the output without breaking the current loop. 

An optional integral digital LCD indicator is available for many input ranges to directly display the actual 

current flow through the T26. 


Input Ranges ............. 0-20A min., 0-50, 0-100, 0-200, 

0-500, 0-1000A max. 50/60/ 400Hz 

Output ....................... 4-20mA loop powered transmitter 

Zero Suppression ...... to 50% of input range 

Adjustments .............. > ± 20% for both zero and span 

Power Supply Range ... 10-40 VDC, 

reverse polarity protected 

Supply Load Effect .... Negligible 

I/O Isolation ............... > 4000 VDC or peak AC 

Linearity (BSLF) ........ Better than ±0.25% of full range 

Conversion Method ... AC averaging 

Stability ..................... Better than 0.01% of full range/°C 

Operating Temperature -20°C to 70°C 

Size HxWxD .............. 95x115x68 mm 

OPTIONS: 

• LCD Digital Indicator 

Core Opening Size .... 31x61x68 mm 

Mounting ................... 2 stand-off screws 4 mm Dia. 

Weight ....................... 0.9Kg. (2 lb.) max. 




AC Input High Current Transmitters 

Precision, Loop Powered 

Series T26 

3.75 

(95) 

2.91 

(74) 

1.75 

(44) 

0.81 

(20) 

Display 

Optional 

3.19 

(81) 

4.12 

(105) 

DISPLAY 

MESCON 

TECHNOLOGIES 

Test 

Output 

2.37 

(68) 

AC CURRENT TRANSMITTER 

T26 

1.75 

(44) 

(0-100) A 

4-20mA 

9408253 

ZERO 

SPAN 

TST 

Tst 

– 

+ 

Current 

Monitor 

– 

+ 

Power 

Supply 

1.25 

(32) 


1.Connect the positive supply lead to terminal +. 

2.Connect the negative supply lead to terminal -. 

3.Route the Input current cable through the T26 orifice. 

Calibrating and Adjustments: 

It is assumed that the unit undergoing calibration has been 

properly ranged at the factory or workshop. 

1.Connect a digital current monitor to the T26 output 

terminals. Observe for proper polarity. 

2.Connect the power supply leads to the digital current 

monitor and terminal. 

3.Set the input to the desired minimum signal and adjust 

the Zero pot until the output minimum signal is set. 

4.Set the input to the desired maximum signal and adjust 

the Span pot until the output maximum signal is set. 

5.Repeat steps 3 & 4 until no further adjustment is needed, 

until the output maximum signal is set. 


Display (optional) 

0.87 

(22) 



T26 - D - (0-75) A 

Input ranges: 

0-20A 

0-50 

0-100 

0-200 

0-500 





Tel: 815-464-5004 • Fax: 815-464-5003 



T-26 11.97


Pressure ranges: 

St’d Process Connection: 

Optional Connections: 

St’d Wet-end materials: 

Optional Wet-end materials: 

0-1, 0-2, 0-5, 0-10, 0-20, 0-50, 0-100, 0-200, 0-300 PSI. 

½” or 1" Male Pipe thread. 

1"-150# Flange, 2" Sanitary Tri-Clamp. 

CPVC, Ceramic (96%) sensing element, Viton O-Ring. 

Ultra Pure Ceramic (99.9%) sensing element, PVDF, EPDM or Kalrez 

O-ring. 

Housing: T-304 SST with CPVC rear cover. NEMA 4X. 

Power Supply: 

Output: 

Accuracy: 

Operating Temp range: 

Dimensions: 

8-40 VDC, Polarity protected. 

4-20 mA DC. 2-Wire system. 

Better than 0.1% of span, Linearity, Hysteressis, 

Repeatability. 

-20 to 80°C (-4 to 176°F). Optional extended temperature range. 

2" diameter x 5¼” long (including connector). 

To order, specify: 

LW-300 - 1N - P - C - V - 4X - X - (0-200) 

Process 

connection 

1N = 1" NPT 

2N = ½" NPT 

1F = 1" 150# Flange 

2S = 2" Sanitary 

Wet-End 

Material 

P = PVDF 

C = CPVC 

Sensing 

Element 

C = Ceramic 

P = Ultra Pure 

Ceramic 

Seal Material 

V = viton 

E = EPDM 

Housing 

4X = NEMA 4X 

XP = Explosion 

Proof 

Electrical 

connector 

X = ½" NPT 

DIN Plug 

Range, PSI 

0-1 

0-2 

0-5 

0-10 


0-50 



0-300

DIMENSIONS FOR NEMA 4X HOUSINGS 

DIMENSIONS FOR XP ENCLOSURE

2-Wire Pressure Transmitter 

Corrosive & High-Purity Applications 

Series LW-300 

1 

2 

POWER 

SUPPLY 

LOAD 

WIRING DIAGRAM 

ADDITIONAL PRODUCTS BY MESCON TECHNOLOGIES: 

C 

C 

C 

C 

C 

PC Programmable Smart Transmitters, using the exclusive Mescon 

Just-PC Technology for measurements of temperature, DC voltage & 

current, resistance, and frequency inputs. 

The most comprehensive & universal temperature input capability 

industry wide, accepting all thermocouples & RTD inputs as well as 

thermistors and IR-thermocouples. Full linearization, user defineable 

tables, math function capabilities and multi-input capacity. 

Smart Panel Meters. Up to 6 digit display, universal input with full 

linearization and multiple alarm relays. 

Transmitters & Signal Conditioners in 2, 3 and 4 wire designs, DC or 

AC powered, with DIN rail, thermal-head or suface mounting as well 

as NEMA 4 & 7 enclosures. 

Wide range of Process and Power measurement and Signal conditioning. 

MESCON 


Phone: 815-464-5004 

Fax: 815-464-5003 

Distributed by:

Pt-100 RTD Temperature Transmitters Model 20/1 - Delta Strumenti ...

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