The PQR D50 and D52 monitors are designed to test the Power Line 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:
To send in your unit for calibration and repair ship the unit with a copy of your receipt to: