Martindale PD690SRD – 690V AC/DC Proving Unit with 5 ranges

  • Suitable for use with voltage indicators up to 690V
  • Stepped voltage output matched to two-pole tester thresholds
  • Switchable DC output mode via push button
  • Compatible with S-series magnetic hanger
  • Ideal for proving indicators and measurement devices up to 690V AC or DC in commercial and industrial applications
Regular Price £174.00 Special Price £144.80 £120.67

Availability: In stock

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Product Code
MARPD690SRD

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Technical Support

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 PD690SRD 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 magnetic hanger.

Proves the operation of voltage indicators, multimeters and test lamps up to 690V AC and is ideal for higher voltage, three phase commercial and industrial applications. Also has switchable DC output.

More Information
ManufacturerMartindale
Manufacturer Part NumberPD690SRD
GTIN5036162188701
Included CalibrationCall for info
ManualDownload
DatasheetDownload
Output voltage 690V, 440V, 230V, 120V or 50V nominal
Output frequency DC or 50Hz nominal
Output loading See datasheet
Temperature (Operating & Storage) -10°C to 40°C
Humidity (Operating & Storage) max. 70% R.H.
Altitude up to 2000m
Pollution Degree 2
Power 6 x 1.5V, AA alkaline batteries (IEC LR6, NEDA 15A)
Dimensions 150 x 80 x 35mm
Weight 350g approx. with batteries

Why choose Instrotech for your electrical test equipment?

With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:

  • Free UK shipping on all orders
  • Access to our knowledgeable technical support team
  • Available calibration services to maintain safety compliance
  • A 90-day money-back guarantee for complete peace of mind

We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.