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Martindale PD440SRDX – 440V AC/DC Proving Unit with 4 ranges & CALCHECK

MPN: MARPD440SRDX

MPN: MARPD440SRDX

The PD440SRDX is fast and easy to use, instantly supplying the full test voltage for both high and low-impedance voltage indicators, test lamps and meters. It comes complete with an over-moulded low-profile case and a magnetic hanger. 

The PD440SRDX has a unique CALCHECK feature, making it easy to verify the insulation and low resistance ranges on 18th Edition multifunction testers wherever you are working. 

Ideal for proving indicators and measurement devices up to 440V AC or DC and to check the operation of 18th Edition installation testers.

For proving devices up to 440V

AC or DC output

CALCHECK for multifunction testers

Compact, slimline design

Output voltage:

440V, 230V, 120V or 50V nominal

Output frequency:

DC or 50Hz nominal

Insulation test resistance:

0.5MΩ (max test voltage 1kV) 1.0MΩ (max test voltage 1kV)

Continuity test resistance:

0.5Ω (max test current 200mA) 1.0Ω (max test current 200mA)

Pollution Degree:

2

Power:

6 x 1.5V, AA alkaline batteries (IEC LR6, NEDA 15A)

Dimensions:

150 x 80 x 35mm

Weight:

355g

Warranty

2 Years

Full product specification can be found in the product manual or by contacting our team here

EAN: 5036162188695

PD440SRDPD440SRDXPD690SRD
Maximum voltage output440V440V690V
LED voltage thresholds440V, 230V, 120V, 50V440V, 230V, 120V, 50V690V, 440V, 230V, 120V, 50V
AC output mode
DC output mode
Low Battery LED
High/Low Z compatible
CALCHECK resistance values
Colour-coded to match voltage indicators
Suitable forMultimeters, multifunction testers, 4-500V voltage testers & Drummond test lampsMultimeters, multifunction testers, 4-500V voltage testers & Drummond test lampsMultimeters, 690V voltage testers & Drummond MTL15 test lamp
£140.00 (List excl. VAT)
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Ensuring Electrical Safety at Work

Take a look at our comprehensive range of Safe Isolation products and accessories.

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Safe Isolation saves lives

Check out our products and resources to enable safe working procedures when working with electrical systems. The comprehensive range includes lock-off devices, proving units and voltage indicators, helping you comply with the Electricity at Work Regulations.

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Think safety, think proving dead, think Martindale

Safe electrical working requires the use of a voltage indicator that has been proven with a proving device. The widest range of proving units available on the market, for use with 230V, 440V and 690V voltage indicators. Check out the full range.

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Technical support

If you have questions related to Martindale products, please check our FAQ sections on our product pages, where the most common enquiries are answered.

Should you require further help please do not hesitate to contact the Martindale support team using the telephone number or email address below or complete the online form.

+44 (0) 1923 441 717 (Mon-Fri, 8am-5pm)

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