Powertronics PQR 2020 Calibration & repair

The PQR 2020 monitors are designed to test three phase Power Lines with a high degree of accuracy.

In this unit all measurements are referenced to a state of the art, temperature compensated voltage source. It is recommended that each unit be calibrated annually by the factory as certain components may require calibration. 

Powertronics offers a flat rate repair and calibration.  This procedure includes:

  • Upgrading the firmware to the latest version.
  • Replacing the Real Time Clock Battery (if needed).
  • Upgrading the hardware to the latest revision available.
  • Confirming the correct operation of the testing circuits and data storage functions.
  • Verifying downloading and communications functions.
  • Calibrating the Voltage and Accessory ports using NIST traceable test equipment as part of Powertronics calibration procedure.

To send in your unit for calibration and repair ship the unit to:

  • Powertronics
  • Suite #459
  • 373 S. Willow Street
  • Manchester, NH, 03103

The customer provides the shipping to Powertronics, Powertronics provides the return shipping as part of the calibration service.


PowerTronics provides practical power line monitors designed and priced to be outfitted to everyone who services or installs electrical and electronic equipment. These units incorporates the latest microprocessor technology to provide the user with information describing all types of power line disturbances. They will detect a wide range of disturbances including dropouts, sags, surges, impulses, high frequency noise, and common mode noise on a AC power lines.


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