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Digital RCD Tester

Supplier: Cool Tech Testers

This unit is a new professional certified digital RCD Tester, which accurately tests the correct operation of RCDs (Residual Current Devices). It is a requirement to test and verify the correct operation of these devices, and this tester does exactly that. It is small enough to fit in a tool bag and is essential for testing the correct operation of a safety trip device.

Price Guide: POA

Digital RCD Tester 

This tester has a fully programmed operation, making it extremely easy to use and it will also test the latest delay action breakers, as well as being able to verify correct wiring status very quickly, accurately and easily. This is the unit we use for day to day testing.


  • 2000ms readout for testing latest delay action breakers
  • Fully programmed operation
  • Accurate digital read out of tipping time
  • Two neon lamps give quick check for correct wiring
  • Operates from mains supply (no need for batteries)
  • Compact, light weight and simple to operate
  • Zero cross circuitry permits testing at 0º and 180º portion of sine wave at these two tests minimum (best) and maximum (worst) trip times will be displayed
  • Data hold function to freeze the digital trip time display allows for easy readout and eliminates the possibility of reading error