DiLOG PU260 Voltage Tester Proving Unit

This unit produces 690 Volts DC to enable voltage indicators to be checked also has a built in audible continuity tester and low battery indicator.
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DiLOG PU260 Proving Unit

This product is discontinued, it has been replaced by the DiLOG PU690 690V AC Proving Unit.

The DiLOG PU260 proving unit is battery powered but produces 690 Volts DC to enable contact type voltage indicators to checked. This proving unit is suitable for voltage indicators with DC detection ranges that can take voltages upto at least 690V DC. The PU260 is one of the few proving units to check indicators with ranges above 250V DC.

  • Portable, battery powered Proving Unit for testing two pole Voltage testers up to 690 V
  • Continuity tester for testing: fuses, fused test leads etc
  • Additional touch electrode for quick testing of fused leads
  • Optical and acoustical continuity indication
  • Low battery indication
  • Protective rubber holster
  • Supplied with batteries
  • Output voltage: 690V DC dependent on the load applied by the voltage indicator
  • Dimensions: 220mm H x 110mm W x 40 mm D approx.


  • The DiLOG PU260 Proving unit puts out a hazardous voltage and must only be used by a qualified person and in accordance with the manufacturers instruction supplied with the unit.

What's In The Box?

  • Di-Log PU260 Voltage tester proving unit with Continuity tester
  • Qty 10 AA batteries 1.5V
  • PU260 Instruction manual