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 NABL
Accredited "On-Site" Calibration Services
(At substations and manufacturers
premises.)
- On site and in-situ calibration of instrument transformers
for ratio error and phase angle error.
- Voltage Transformers up to
33 kV with accuracy of 0.15% and 4 minutes
- Voltage Transformers from
33 kV to 132 kV with accuracy of 0.2% and 5 minutes
- Current Transformers up to 2000 Amp with accuracy
of 0.03% and 1.5 minutes.
- Calibration of Energy Meters and auxiliary instruments
- Power meters with accuracy
of 0.05 % active, 0.06% reactive.
- Maximum demand indicators with
accuracy of 0.05 % active, 0.06% reactive.
- Digital multi-meters with Accuracy of 0.03%.
- All panel meters like voltmeters, ammeters, frequency
meters, power factor meters with accuracy of 0.01%.
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