Home / Electrical Testers / Voltage Testers & Proving Units / Martindale PD440 440V Proving Unit Martindale PD440 440V Proving Unit £89.00 Martindale PD440 440V Proving Unit Information Martindale PD440 440V Proving Unit The Martindale PD440 is a 440V AC proving device, designed to enable voltage indicators to be fully checked, in compliance with Health & Safety recommendations. The PD440 is compatible with the Martindale VI13700G & the new Martindale VI13700/2. The PD440 can also be used to check Drummond and other filament test lamps as well as standard multimeters and other manufacturers two pole voltage indicators. Using a voltage indicator without first proving it is working correctly could prove fatal. Specification Output Voltage 440V nominal Operating Temperature -10°C to +40°C at max 70% RH Battery 6 x LR6 / MN1500 1.5V alkaline batteries or equivalent Dimensions 143 x 84 x 50mm Weight 400g approx including battery Specifications MPN: PD440 Brand: Martindale Condition: New Product Code: PD440 Weight: 2kg Reviews Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product