The Seaward PH3 (flat contact electrode) is designed for use with potential indicators and phasing rods with domed contact electrodes.
Usually Stock or Short Lead Time
Warning: Last items in stock!
A proving unit for the Seaward KD1E/19 & KD1E33.
A highly portable, battery powered proving unit for proving high voltage indicators, live line testers and digital potential indicators. The Seaward PH3 proving unit produces a DC output voltage for confirming the operation of voltage indicators before and after use.