Martindale PD440SRDX 440V AC/DC Proving Unit with 4 Ranges and CALCHECK

£146.40
SKU
MARPD440SRDX
The PD440SRDX has a unique CALCHECK feature making it easy to verify the insulation and low resistance ranges on 18th Edition multifunction testers.
  • 440V Proving Unit
  • Ideal For Proving Indicators
  • MG3 Magnetic Hanger Included
  • Colour Coded For Voltage Output
  • Over Moulded Low Profile Design
  • Long Battery Life
  • AC/DC Output Mode
  • CALCHECK To Verify Resistance Ranges
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