Calibration Laboratory(CRTL)

The Calibration Laboratory of CPRI, Bangalore is provided with a state-of-art technology equipment. The laboratory is accredited by NABL as per ISO/IEC 17025:2005 standard. The calibration laboratory is equipped with:

Three Phase Comparator
Three Phase high precision Comparator of 0.01 class accuracy to calibrate reference standard energy meter up to 0.02 class accuracy.

Three Phase Phantom Load Source

Three Phase Portable Phantom load source with maximum current upto 120A.

Three Phase precision measuring instrument

Three Phase precision measuring instrument of 0.02 class accuracy available in two versions (Direct mode: upto 20A, With CT: upto 100A)

NABL Accreditation

NABL has accredited calibration laboratory as per ISO17025 standard for both At Lab and At Site vide certificate No[C-0076]

Sl. No.

At Lab Parameter
Measure/Source

:

Range

01

AC Voltage

:

30V-480V

02

AC Current

:

10mA-120A/160A

03

Power Factor

:

UPF to 0.25PFLd/Lg(320V/120A/160A)

04

Frequency

:

45Hz-60Hz

05

Active/Reactive Power

:

30V-320V, 10mA-120A/160A, UPF to 0.25PFLd/Lg

06

Active/Reactive Energy

:

30V-320V, 10mA-120A/160A, UPF to 0.25PFLd/Lg

 

Sl. No.

At Site Parameter
Measure/Source

:

Range

01

AC Voltage

:

30V-320V

02

AC Current

:

5mA-100A

03

Power Factor

:

UPF to 0.25PFLd/Lg(320V/100A)

04

Frequency

:

45Hz-60Hz

05

Active/Reactive Power

:

40V-320V, 10mA-100A, UPF to 0.25PFLd/Lg

06

Active/Reactive Energy

:

40V-320V, 10mA-100A, UPF to 0.25PFLd/Lg

We undertake the Calibration of:

  • Single Phase and Three Phase Accuchek meters

Calibration Services are being availed by

  • Meter Manufacturers
  • Captive Power Plant and
  • State Electricity Boards

Contact Details

Mr. Harinath Babu P.V.
Joint Director / HoD
Metering and Utility Automation Division
Mob: +91 9425675081
Ph: +91-80-22072311
Email: hbabu@cpri.in