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Martindale
PD440S 440V AC Proving Unit


Martindale PD440S 690V AC Proving Unit ideal for safely & simply proving the operation of voltage indicators & test lamps up to 440V It comes complete tough over-mould, a high strength magnetic hanger & is colour coded for voltage output.

Part Number:
PD440S

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Manufacturer's RRP

£116.00
139.20 incl. VAT)
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  • Competitive quote
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  • Trusted aftercare support

 

 

 

Martindale PD400S 690V AC Proving Unit

Safe electrical working requires the use of a voltage indicator that has been proven with a suitable proving device before and after use to ensure the instrument is working correctly in accordance with the Electricity at Work Regulations.

The Martindale PD440S is a direct replacement for the industry standard PD440. Its voltage output is matched to the VI13800, the MTL10 and MTL20 Drummond test lamps and all other 440V voltage indicators and testers.

In addition to all the benefits of the industry standard Martindale PD440 and PD690 proving units, the S models feature a tough over moulded low profile case and come with an MG3 magnetic hanger. They are fast and easy to use, instantly supplying the test voltage for both high and low impedance voltage indicators, test lamps and meters.

It‘s good practice to match the output voltage of the proving unit with the voltage range of the instrument to be proved. The new S and SX Series simplify matching devices as they are colour coded with Martindale voltage indicators.

 

Martindale PD440 Key Features:

  • Safely and simply proves the operation of voltage indicators and test lamps up to 440V
  • Essential for implementing effective safe isolation procedures
  • Tough over moulded low profile design
  • Long battery life with low battery indicator
  • Includes MAG3 high strength magnetic hanger
  • Colour coded for voltage output

 

What comes with the PD440S?

  • Martindale PD4400S 690V AC Proving Unit
  • MG3 magnetic hanger
  • 6 x 1.5V AA alkaline batteries
  • Instruction manual

 

Comparison Chart for: Martindale PD440S 440V AC Proving Unit

PD440SPD440SXPD690SPD690SX
Maximum Voltage Output440V AC440V AC690V AC690V AC
LED Voltage Thresholds440V50V, 120V, 230V, 440V690V50V, 120V, 230V, 400V, 690V
High Voltage LEDMultipleMultiple
Low Battery LED
High/Low Z compatible
CALCHECK resistance values
Colour coded to match voltage indicators
Suitable forMultimeters, 4-500V voltage testers and Drummond test lampsMultimeters, 4-500V voltage testers and Drummond test lampsMultimeters, 690V voltage testers and Drummond MTL15 test lampMultimeters, 690V voltage testers and Drummond MTL15 test lamp

 

 

 

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