*

Oil Test Sets, H.V.Testers, Relay Test Sets, Current Injection Sets
Oil Test Sets, H.V.Testers, Relay Test Sets, Current Injection Sets

SCOPE OF CALIBRATION FACILITY (Electro-Technical Calibration)


Quantity Measured/
Instrument		 Range / Frequency *Calibration Measurement Capability (+ -) Remarks
SOURCES (at Lab & Site)
1. DC Voltage 1 mV to 300 mV
300mV to 30 V
30 V to 300 V
300 V to 1000 V

1.178% to 0.019%
0.019% to 0.020%
0.020% to 0.015%
0.015% to 0.015%

Using Fluke 5080 A 240
By Direct Method
2. DC Current

100 μA to 1 mA
1 mA to 30 mA
30 mA to 300 mA
300 mA to 10 A
20 A to 1000 A

0.202% to 0.141%
0.141%to 0.063
0.063% to 0.069%
0.069% to 0.321%
0.9%

 Using Fluke 5080 A 240 with
Current Coil 5500 A
By Direct Method
3. AC Voltage 50 Hz to 1 kHz
10 mV to 30 mV
30 mV to 30 V
30 V to 300 V
300 V to 1000 V

1.075% to 0.613%
0.613% to 0.392%
0.392% to 0.169%
0.169% to 0.183%

 Using Fluke 5080 A 240
By Direct Method

4. AC Current

 50 Hz to 1 kHz
30 μA to 300 μA
300uA to 3.0 mA
3.0 mA to 10 A
20 A to 1000 A


3.130% to 0.589%
0.569% to 0.313%
0.313% to 0.947%
1.3%

 Using Fluke 5080 A 240 with
Current Coil 5500 A
By Direct Method
5. Resistance
(Discrete Values)
(2 Wire & 4 Wire)

1 Ω, 10 Ω, 19 Ω, 100 Ω,
190 Ω, 1 kΩ, 1.9 kΩ, 10 kΩ,
19 kΩ, 100 kΩ, 190 kΩ, 1 MΩ,
1.9 MΩ, 10 MΩ, 19 MΩ,
100MΩ, 190MΩ


75ΜΩ, 187.5 ΜΩ, 750 ΜΩ, 7.5MΩ,3 MΩ, 15MΩ, 75MΩ

1.362%,0.189%,0.122%,0.047%,
0.046%,0.029%,0.306%,0.030%,
0.034%,0.045%,0.049%,0.047%,
0.046%,0.116%,0.174%,
0.582%,1.160%


0.5%

Using Fluke 5080 A 240
By Direct Method

 

 

DIRECT SHUNT RESISTORS
6.Frequency 45 Hz to 1 kHz

0.017% to 0.058%

 Using Fluke 5080 A MFC
By Direct Method
7. STOP WATCH/TIMER/ HOUR METER – time interval meter# Upto 10 s
10 s to 100s
100s to 999 s		 0.0001 s
0.02 s
0.2s		 Using Digital Time Calibrator Make: Ajit
by Direct Method
8. Power Factor Meter 0.1 Lead/Lag (U.P.F.). 0.1 P.F. Using Fluke 5080 A MFC
By Direct Method
9. Power
(U.P.F.)
1 φ		 100 mV to 1000 V
0.5 A to 20 A
0.5 W to 20 kW		 1% Using Fluke 5080 A MFC
By Direct Method


* Measurement Capability is expressed as an uncertainty (+) at a confidence probability of 95%
$Only in Permanent Laboratory
♣Only for Site Calibration
# The laboratory is also capable for site calibration however, the uncertainty at site depends on the prevailing actual environmental conditions and master equipment used.



SCOPE OF CALIBRATION FACILITY (Electro-Technical Calibration)


Quantity Measured/
Instrument		 Range / Frequency *Calibration Measurement Capability (+ -) Remarks
MEASURE (At Lab & Site)
1. DC VOLTAGE# 1 mV to 100 mV
100 mV to 10 V
10 V to 1000 V

0.052% to 0.005%
0.005% to 0.004%
0.004% to 0.005%

Using Fluke 8846 A 6½ DMM
By Comparison/ Direct Method
2. AC VOLTAGE#

50 Hz to 1 kHz
10 mV to 100 mV
100 mV to 1 V


1 V to 10 V
10 V to 100 V
100 V to 1000 V

0.160% to 0.141%
0.141% to 0.197%


0.197% to 0.145%
0.145% to 0.140%
0.140% to 0.144%

 Using Fluke 8846 A 6½ DMM
By Comparison/ Direct Method
3. DC CURRENT# 10 μA to 100 μA
1mA to 10 mA
100mA to 390 mA
390 mA to 10 A

1.28% to 1.273%
0.064% to 0.060%
0.058% to 0.060%
0.060% to 0.059%

 Using Fluke 8846 A 6½ DMM
By Comparison/ Direct Method

4. AC CURRENT #

 50 Hz to 1 kHz
100 μA
100 μA to 1 mA
10 mA to 100m A
390m A to 10 A


0.406%
0.406% to 0.394%
0.353% to 0.349%
0.356% to 0.413%

 Using Fluke 8846 A 6½ DMM
By Comparison/ Direct Method
5. AC HIGH CURRENT $ 10 A to 5000A

+0.5%RDG, 
+0.03%FS

 Using Fluke 8846 A 6½ DMM
& Standard CTs by Direct Method/comparison method
6.FREQUENCY# 45 Hz to 400 Hz

Less than 1%

 Using 5½ digit universal calibrator by Direct Method
7. DC RESISTANCE#
(2 Wire & 4 Wire)		 0 to 1 Ω
1 Ω to 100 Ω
100 Ω to 1 kΩ
10 kΩ to 100kΩ
1M Ω to 10M Ω
100M Ω to 1000M Ω		 0.048%
0.048% to 0.012%
0.012% to 0.013%
0.012% to 0.012%
0.013% to 0.047%
0.925%		 Using Fluke 8846 A 6½ DMM
By Comparison/ Direct Method
8. Power Energy
1 φ & 3 φ		 50 Hz
230 V to 300 V
10 A to 120 A
0.5 P.F. to U.P.F.		 0.5% Using power analyzer KI 5
9. RESISTANCE# 10 MΩ
100 MΩ
10 MΩ to 1 GΩ
1 GΩ to 10 GΩ		 2% Using Standard Decade
Meg Ohm Box
10. STOP WATCH/TIMER/ HOUR METER – time interval meter#

0.001mSec to 10 s
10 s to 100s
100s to 999 s

0.0001 s
0.02 s
0.2s

Using Digital Time Calibrator Make: Ajit
by Direct Method
11. DC HIGH VOLTAGE♣
(Source-#)

1.0 kV to 100 kV

0.05 kV to 0.95 kV

Using HV divider with DMM by Direct Method
12. AC HIGH VOLTAGE♣
(Source-#)

1.0 kV to 100 kV

0.03 kV to 2 kV

Using HV divider with DMM by Direct Method


* Measurement Capability is expressed as an uncertainty (+) at a confidence probability of 95%
$Only in Permanent Laboratory
♣Only for Site Calibration
# The laboratory is also capable for site calibration however, the uncertainty at site depends on the prevailing actual environmental conditions and master equipment used.

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