The Martindale PD440 is a 440V AC proving device, designed to enable voltage indicators to be fully checked, in compliance with Health and Safety recommend & 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 manufacturer's two pole voltage indicators.

Using a voltage indicator without first proving it is working correctly could prove fatal.

• Output Voltage: 440V nominal
• Operating Temperature: -10°C to +40°C at max 70% RH
• Battery: 6x LR6 / MN1500 1.5V alkaline batteries or equivalent
• Dimensions: 143 x 84 x 50mm
• Weight: 400g approx including battery