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Seaward PH3 Domed Head Proving Unit
  • Seaward PH3 Domed Head Proving Unit
  • Seaward PH3 Domed Head Proving Unit

Seaward PH3 Domed Head Proving Unit

Seaward authorised distributor and service centre.

The Seaward PH3 is designed for use with potential indicators and phasing rods with domed contact electrodes.

£145.00 Save £14.40
Tax excluded
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A proving unit for the Seaward KD1E, KD1E/KAD, KD1E/22, KD1E/15D & KD1E/33D.

A highly portable, battery powered proving unit for proving high voltage indicators, live line testers and digital potential indicators. The Seaward PH3 (domed contact electrode) proving unit produces a DC output voltage for confirming the operation of voltage indicators before and after use.


High voltage output 1500V DC nominal.
Neon indicator to show output is active.
Very portable.

Seaward PH3 Specifications
Output voltage 1200 V - 1500 V DC nominal across 10 MΩ.
Output current 0.45 mA DC into 2 kΩ.
Test terminals Contact electrode and test post.
Indicator Neon indication when output voltage is active.
Dimensions 110 mm height, 85 mm width, 60 mm depth.
Compliance IEC61010-1:2001.

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Seaward PH3 Domed Head Proving Unit

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