Our Services

Calibration of Energy Meter-


Calibration of Power/Energy Reference Meter-

We have facility for calibration of 3-phase & 1-phase energy meter calibrators, Reference standards and power meters, power quality analyzer.

Periodic calibration for various reference standards is essential for quality assurance and reliability. Oorja Technical Services offers comprehensive calibration services at its permanent lab as well as on-site for various AC power/energy measurement. OTSPL is regularly calibrating of Precision Static power/Energy Standards like ZERA, Radian, MTE, Secure Meter (Accucheck), Signal and Systems India, Fluke power analyzer, Krykard, Yokagawa, Hioki etc.


Calibration of Current Transformer & Potential Transformer

For HT consumer it is essential to calibrate CT/PT along with energy meter because for correct metering CT/PT should have good accuracy for this is OTSPL provides calibration services for Current Transformer and potential transformer at site as well as permanent lab with primary standard method as per new IS 16227. Current transformer calibration primary upto 3200A & Secondary 1A/5A by using Standard CT, CT Source & AITTS (Comparators), Potential Transformer calibration from 220V to 33kV by using Standard Potential transformer, High Voltage source, & AITTS (Comparator).


Calibration of High Voltage Tester-
We have facility for calibration of High Voltage tester or High voltage measurement by using voltage Divider/ STD Potential transformer.


Earth Pit Testing –

We are providing the facility to measure the earth resistance by Earth Tester and Earth Resistance Tester is traceable to NABL. A good grounding system will improve the reliability of equipment and reduce the likelihood of damage due to lightning or fault currents.


Relay Testing-

We have facility for Relay testing using relay test kit.

Scope of Relays

  • Over Current
  • Earth Fault
  • Under Voltage
  • Over Voltage
  • Reverse Power
  • Auxiliary
  • Numerical Relays


Thermography of Electrical Component –

We provide the onsite Infrared Thermography inspection services for electrical, Mechanical and other Infrastructure of all type of facility managements, Factories, Utility Plants, Transmission Substations, Industries, and Hotspots later suggesting remedial measures by our most experienced & well trained Infrared Thermography Engineers.


Transformer Oil Filtration at site –

Transformer oil filtration increases its insulating properties. We provide the Transformer oil filtration at customer side.


Transformer Oil Testing –

  1. BDV
  2. Acidity
  3. Flash Point
  4. Moisture Content
  5. Interfacial Tension
  6. Resistivity
  7. Permittivity
  8. Tan Delta
  9. Dissolved Gas Analysis (Hydrogen Gas)

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    Super Heated TestNon Condensable TestDryness Value Test