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Seaward PH3-LLT Proving Unit
  • Seaward PH3-LLT Proving Unit
  • Seaward PH3-LLT Proving Unit

Seaward PH3-LLT Proving Unit

Seaward approved distributor and service centre.

The PH3-LLT is intended to check if a Live Line Tester functions correctly.

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The Seaward PH3-LLT is a lightweight compact proving unit providing a nominal output voltage of 500V DC. Output Voltage - 500V DC nominal Output current - 0.45mA into 2kohm.

The PH3-LLT has been designed to perform tests:
a) In a dry environment.
b) At a altitude of up to 2000m.
c) At temperature of 5°- 40°C without moisture condensation.

To maintain the specified performance, the instrument must be verified at regular intervals by either the manufacturer or an authorised Seaward Service Agent. We recommend a calibration period of one year.

The Seaward PH3-LLT proving unit is approved by Network Rail Certificate of Acceptance No. PA05/03345.

Seawrd PH3-LLT Specifications:

  • Output Voltage - 500V DC nominal.
  • Output current - 0.45mA into 2kohm.
  • Two non-touchable terminals.
  • Neon ‘active’ indicator.
  • Compliance BS EN61010.
  • Power Supply: 9Vdc, PP3 Alkaline battery.
  • Degree of Protection: IP40.
  • Dimensions: 110mm(h) x 85mm(w) x 60mm(d).
  • Seaward PH3-LLT warranty: 1 year.

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Seaward PH3-LLT Proving Unit

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