Seaward PH3 Proving unit for use with high voltage indicators with a domed contact electrode

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  • High voltage output 1500V DC nominal
  • Neon indicator to show output is active
  • Very portable and robust
  • Battery Powered

A highly portable, battery powered proving unit for proving high voltage indicators, live line testers and digital potential indicators. This proving unit produces a DC output voltage for confirming the operation of voltage indicators before and after use.

Designed for use with potential indicators KD1E, KD1E/KAD, KD1E/22, KD1E/15D & KD1E33D and phasing rods with domed contact electrodes.

Technical specification

Output voltage 1200V – 1500V DC nominal across 10MΩ
Output current 0.45mA DC into 2kΩ
Test terminals Contact electrode and test post
Indicator Neon indication when output voltage is active
Dimensions 110mm height, 85mm width, 60mm depth
Compliance IEC61010-1:2001