CEM DT-904 Digital RCCB Tester


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


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