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Martindale PD440 Proving Unit MARPD440

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  • Output voltage up to 440V AC
  • Lightweight portable device
  • Comply with Health and Safety recommendations.

rrp £89.00

now £74.99 (Ex. VAT) £89.99 (Inc. VAT)

rrp £89.00


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"Proving unit for the testing of contact type voltage detectors up to 440V"

  • Description

    Martindale PD440 Proving Unit

    The Martindale PD440 is a battery powered handheld device suitable for testing a range of contact type voltage detectors up to 440V @ 500kΩ load or higher. The proving unit is ideal for testing indicators with 230V and 415/440V AC or DC detection ranges. Martindale’s recommended voltage devices include the VI13700-2 & the new Martindale VI13800. The PD440 can check voltage on a range of filament test lamps including the Martindale Drummond range.

    The unit is supplied with 2 years manufacturers warranty.

    Important Information

    The Martindale PD440 Proving unit puts out a hazardous voltage and must only be used by a qualified person and in accordance with the manufacturers instruction supplied with the unit.

  • 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
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  • Delivery Information

    At we understand the importance of a reliable delivery service when shopping online. Especially when the goods are often essential to your working day. If your goods are required by a certain date please feel free to contact us for an honest and realistic indication whether this can be met.

    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text so you will not have to wait around all day. We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink on a fully traceable and manageable service.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only.

    Customers outside the UK: exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail with your name, address and the items you would like to order for an accurate shipping quote.