Martindale PD440 Voltage Indicator Proving Unit 440V

  • RS Stock No. 740-1479
  • Mfr. Part No. PD440
  • Manufacturer Martindale
Technical data sheets
Legislation and Compliance
RoHS Status: Not Applicable
COO (Country of Origin): PH
Product Details

Martindale Proving Units

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.

Features and Benefits

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

Attribute Value
Output Voltage 440V
Battery Type AA
Power Source Battery
Dimensions 143 x 84 x 50mm
Weight 400g
Height 50mm
Length 143mm
Maximum Operating Temperature +40°C
Minimum Operating Temperature -10°C
Model Number p PD440
Width 84mm
48 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 219.56
(exc. GST)
$ 252.49
(inc. GST)
Per unit
1 +