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Wi-Sensors - Senzori de Temperatura, Umiditate, CO2
  DT-904-Electronic Tester    
Electronic Tester
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  DT-904-Electronic Tester    


 DT-904 Digital RCD Tester

  • 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 0°and 180°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.
  Max Resolution Accuracy
Trip current settings 5mA, 10mA, 30mA, 100mA, 300mA, 500mA  
Test Current (No Trip Test) 50% of circuit breaker trip current selected 2000mS ± 5%
Test Current (Trip Test) 100% of circuit breaker trip current selected 2000mS ± 5%
Test Current (Fast Trip Test) 250mA regardless of circuit 40mS ± 5%
  breaker trip current selected  
Fault trip Time 2000mS (40mS for Fast Trip) ±2%rdg ±3dgts
Resistance 0.1kΩ ±1.0%rdg ±2dgts
Operating Voltage 220V, 230V, 240V AC ± 10% ± 3%
Size(HxWxD):130mm x 69mm x 32mm





  DOCUMENTS-DT-904-Electronic Tester    






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