PAO Accredited Laboratories (as of Dec. 2012) - DTI

Products/
Class of Test
Measured
quantities/
instrument
Range to be
calibrated
173 of 391
Best
measurement
capability
expressed as an
uncertainty ()*
0 to 500 kΩ 0.2071 kΩ
0 to 30 MΩ 0.0012 MΩ
.17 Other
Digital Multimeter
instruments up to 4 ½ digits
@ DC voltage 0 to 100 mV 0.003 mV
0 to 1 V 0.00001 V
0 to 10 V 0.0001 V
0 to 100 V 0.002 V
0 to 1000 V 0.02 V
@ AC voltage 1 to 45 mV 0.003 mV
(from 50 Hz to 20 50 to 450 mV 0.013 mV
kHz) 300 mV to 4.5 V 0.00014 V
5 to 45 V 0.002 V
50 to 1000 V 0.002 V
@ DC current 0 to 330 µA 0.07 µA
0 to 3.3 mA 0.38 mA
0 to 33 mA 2.3 mA
0 to 330 mA 350 mA
0 to 1.1 A 0.00024 A
0 to 3 A 0.0008 A
0 to 20 A 0.0055 A
@ AC current 0 to 500 µA 0.38 µA
(from 50 Hz to 1 0 to 5000 µA 2.3 µA
kHz) 0 to 50 mA 0.035 mA
0 to 400 mA 0.24 mA
0 to 10 A 0.0055 A
@ Resistance 0 to 500 Ω 0.0325 Ω
0 to 5 kΩ 0.0003 kΩ
0 to 50 kΩ 0.003 kΩ
0 to 500 kΩ 0.2071 kΩ
0 to 30 MΩ 0.0012 MΩ
@ Capacitance 0 to 1000 pF 0.069 pF
0 to 10 nF 0.069 nF
0 to 100 nF 0.069 nF
0 to 1000 nF 0.00038 nF
0 to 10 µF 0.0023 µF
0 to 100 µF 0.035 µF
0 to 500 µF 0.00024 µF
0 to 1000 µF 0.0008 µF
5.45 Calibration of Ancillary Temperature Measuring Instruments
.04 Indicators,
recorders and
Temperature
Controllers,
Type E T/C
-200 to 1000 °C
0.3 °C
controllers Recorders, Digital
Thermometers
Type J T/C
-200 to 1200 °C
0.8 °C
Type K T/C
-200 to 1370 °C
0.6 °C
Type T T/C
-200 to 400 °C
0.8 °C
5.47 Testing of temperature controlled enclosures
.01 Ovens, furnaces
and baths
Ovens Ambient to 150 °C 1.8 °C
5.48 Hygrometer
.01 Calibration of
humidity
measuring
devices
Thermohygrometer/
Thermohygrograph
20-40 °C
33-96 % R.H
1 °C
4.6 % R.H.
Standard Method/
Reference
Standard
Manufacturer’s
recommended
Calibration method
& In-house
Procedure IMI-CCL.
(EA-10/15: January
2001)
In-house/On-Site
Calibration
Based on in-house
procedure IMI-CCL
05 007
In-house/On-Site
Calibration
Based on in-house
procedure IMI-CCL
99 006
Based on in-house
procedure IMI-CCL
00 001