Martindale PD440 Proving Unit 440V

The Martindale proving unit has an output voltage rating of 440VAC. The units can be powered by either alkaline batteries or a 12V power supply. There are two power supply units for the proving devices such as PSUPD230 and PSUHPAT12. The PSUPD230 can be connected to mains power and the PSUHPAT12 is a 12V power supply suitable for use in a car/van cigarette lighter. It is compatible with the VI13700G and the new VI13800.

Suitable for multimeters, voltage testers and Drummond test lamps
Safely and simply proves the operation of voltage indicators and test lamps
Essential for implementing effective safe isolation procedures
Industry-leading proving unit for all low and high impedance testers
Long battery life time with low battery indicator
Optional in-car and mains power supply available
Battery of 6xLR6 / MN1500 1.5V alkaline batteries or equivalent
Operating temperature ranges between -10°C and 40°C

Digital multimeters
Clamp meters
Electrical testers