50-440V Proving Unit - PD440SX Very Good Condition

MARTINDALE ELECTRIC

With all the benefits of the industry standard Martindale PD440 proving unit, the new S models come in an overmoulded low profile case with magnetic hanger. They are fast and easy to use, instantly supplying the full test voltage for both high and low imp Ideal for proving low and high impedance voltage indicators, test lamps and two-pole testers Includes MG3 high strength magnetic hanger Colour coded for voltage output Tough overmoulded low profile design Long battery life with low battery indicator and auto power off Unique CALCHECK feature for verifying insulation and low resistance ranges of installation testers Stepped voltage output matched to two-pole tester thresholds Supplied with MG3 magnetic hanger, 6x AA batteries and user manual