Seaward PH3 High Voltage Proving Unit

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

Designed for use with potential indicators and phasing rods with domed contact electrodes.

Seaward PH3 High Voltage Proving Unit Key Keatures

• Proving unit for proof testing high voltage indicators
• High voltage output 1200V – 1500DC
• Self test facility
• Avoids use of known supply points or bulky test equipment

Technical Data Section

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