
Powertronics PQR D50/D52 Calibration & repair
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: 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 143 Raymond Road Unit #10 Candia, NH 03034 The customer provides the shipping to Powertronics