| 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.
| 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 BDMM 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.