Check the correct operation of two-pole voltage indicators, Drummond/other filament test lamps and also works alongside digital multimeters. Fully suitable for use with any manufacturer's equipment, the PD440 checks that your test voltage indicator's correct operation by applying voltage in steps up to 440V. Using the unit is simple, just insert both of the voltage indicator's probes into the proving unit and your indicator's lights will light up in sequence.This product is ideally suited for use with Martindale's VI13800 and VI13700 voltage indicators.(sold separately). Key Features: Test contact-type voltage detectors up to 440V. Generates 440V at 50Hz. Portable, battery powered design. Works with voltage indicators from any manufacturer. What's Included? Martindale PD440 Proving Unit. 6 x 1.5V AA Alkaline Batteries. Instructions.
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