MPN

Martindale PD440SRD Proving Unit 440 V

RS Stock No.:: 288-1137
Mfr. Part No.:: PD440SRD
Brand:: Martindale

Subtotal (1 unit)*

£119.63

(exc. VAT)

£143.56

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

16 unit(s) ready to ship
Plus 12 unit(s) shipping from 06 March 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£119.63

*price indicative

Calibration Options:

Martindale PD440SRD Proving Unit 440 V

Calibration Type:: RSCAL

RS Stock No.: 288-1152

Each

£161.63

(exc. VAT)

£193.96

(inc. VAT)

RS Stock No.:: 288-1137
Mfr. Part No.:: PD440SRD
Brand:: Martindale

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Martindale
	Product Type	Proving Unit
	Output Voltage	440 V
	Battery Type	AA Alkaline
	Power Source	Battery
	Minimum Operating Temperature	-10°C
	Maximum Operating Temperature	40°C
	Length	150mm
	Height	35mm
	Weight	355g
	Standards/Approvals	RoHS
	Width	80 mm

	Select all
	Brand Martindale
	Product Type Proving Unit
	Output Voltage 440 V
	Battery Type AA Alkaline
	Power Source Battery
	Minimum Operating Temperature -10°C
	Maximum Operating Temperature 40°C
	Length 150mm
	Height 35mm
	Weight 355g
	Standards/Approvals RoHS
	Width 80 mm

Datasheet - PD440SRD

RoHS Status: Exempt

COO (Country of Origin):: PH

Proves the operation of voltage indicators, multimeters and test lamps up to 440V

The PD440SRD 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 with a magnetic hanger. Ideal for proving indicators and measurement devices up to 440V AC or DC in commercial and industrial applications.

Switchable AC / DC output mode via push button

Stepped voltage output matched to two-pole tester thresholds

Tough overmoulded low profile design

Long battery life with low battery indicator and auto power off