PH3 LLT Proving Unit

PH3-LLT MK2 Proving Unit

High Voltage Test Equipment

Proving unit for use with Live Line Tester (LLT) MK2.

- Integrated case to protect the unit
- Wide base to aid stability on uneven ground
- Red indication showing when the unit is active
- Network Rail Certificate of Acceptance No. PA05/03345

PH3-LLT MK2 Proving Unit

Designed for use with the Live Line Tester (LLT) MK2, the PH3 MK2 is a highly portable, battery powered unit for proving the live line testers function in the field.

This proving unit produces a DC output voltage from a 9v PP3 battery source that lights up the red indicator when active.

It is essential to prove that the Live Line Tester is functional both before and after testing the DC system to be worked on. The MK2 version has an integrated case that protects the unit when not in use. The wider base improves stability when using the unit in the field and also holds the operating instructions for added convenience and ease of use.

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Optional Accessories

Technical Specifications

Output Voltage 500V DC nominal
Output Current 10mA into 2k ohms
Part Numbers
Live Line Tester (LLT) MK2 unit 423A910
Kit Carry Case 308A955


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