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Our Services

    Test Facility

Current Transformer (CT) testing as per IS 2705 & IEC 61869

  • Verification of polarity & terminal marking
  • Accuracy test (Ratio & Phase angle Error test)
  • Over voltage inter turn test (OVIT)
  • Instrument safety factor (ISF)
  • Composite error test
  • Knee point voltage & resistance measurement test
  • Power frequency voltage withstand test on primary winding
  • Power frequency voltage withstand test on secondary winding
  • Measurement of Partial Discharge (PD)
  • Temperature rise test


  • Voltage Transformer (PT) testing as per IS 3156 & IEC 61869

  • Verification of polarity & terminal marking
  • Accuracy test (Ratio & Phase angle Error test)
  • Power frequency voltage withstand test on primary winding
  • Power frequency voltage withstand test on secondary winding
  • Induced over voltage test (IOVT)
  • Measurement of Partial Discharge (PD)
  • Temperature rise test
  • Short circuit withstand test (STC)


  • Capacitive voltage Transformer (CVT) as per IEC 61869

  • We will witness all the test as per applicable Standard


  • Power Transform testing as per IS 2026 & IEC 60076
    Distribution Transformer testing as per IS 1180 & IEC 60076
    Dry type Transformer as per IS 11171 & IEC 60076
    Reactors as per 5553 & IEC 60076

  • Measurement of winding Resistance
  • Measurement of Voltage ratio
  • Verification of Voltage Vector relationship
  • Measurement of Impedance Voltage & Load Loss
  • Measurement of No load loss & No load Current
  • Measurement of Insulation Resistance (IR)
  • Separate Source Voltage withstand test
  • Temperature rise test
  • Double Voltage Double frequency test (DVDF)
  • Measurement of Noise Level
  • Magnetic Balance test
  • Zero Phase Sequence (ZPS)
  • Air Pressure test


    • IP (Ingress Protection) testing as per IEC60529

      Safety testing as per applicable Standards & requirements.


      Routine & functional testing for some others LV & HV Products.


      Calibration Facility

  • CT calibration up to 10000A window type & 3200A bar type
  • PT calibration up to 66kV
  • CT-PT comparator/Bridge
  • CT-PT Burden Box
  • EPD system
  • Transformer turns ratio-meter
  • Current Source
  • HV source
  • Voltage Dividers



    • Field Services

  • Onsite CT calibration
  • Onsite PT Calibration
  • Transformer testing
  • Onsite safety testing
  • Witness testing
  • Inspection



    • Other Services

  • CE marking
  • OSafety certification



    • Benefits by our services

  • Testing can be scheduled as per need.
  • You get competitive test charges.
  • Quick issue of test report after testing.
  • Issue of Letter of conformity from ERTO for the product tested.
  • We can witness any special test as per your requirement and Issue the test report.
  • Necessary guidance & testing techniques can also be provided if needed.
  • Any other services as per customer’s requirement can be provided.