Martindale PD240 240V DC Proving Unit

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Martindale PD240 240V DC Proving Unit

  • Safely and simply proves the operation of multimeters and voltage testers
  • 240V DC output proving unit
  • Compact size with belt clip
  • Essential for implementing effective safe isolation

This is a convenient pocket-sized, battery powered proving device that produces a 240V DC output. Any device used for voltage detection and for proving dead should be tested before and after use to ensure the safety of the operative.

The PD240 current is limited to 2mA and is suitable for use with multimeters and other voltage detectors that have an input impedance greater than 120KΩ. It has a long battery life and comes complete with a belt clip.


Output voltage 240V DC
Output current 2mA max across 120kΩ, 3.5mA max, short circuit protected
Battery 6LR61/MN1604/PP3 (included)
Body flame retardant ABS
Weight 180g (incl battery)
Dimensions 144 x 63 x 31mm