Digital RCD Tester | CEM DT-904

AUD $170.00 • ( AUD $187.00 inc. GST )

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Key Features:

  • 2000 ms 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 displayed
  • Data hold function to freeze the digital trip time display allows
    for easy readout and eliminates the possibility of reading error

PDF DatasheetDT-904_Dataseeet

The DT-904 is the Basic test Equipment an Electrician cannot do without. DT-904 is a Dual Function Test Instrument utilized to Verify electrical Wiring Connections and the Functioning of Earth leakage / Residual current detectors by forcing the ELCB / RCD to trip.

This verifies that the protection device open the mains power supply circuit when a current higher than a certain amplitude circulate into the ground/earth wire. This ensures the Electrical installation meet safety regulation requirements.

 

Weight 0.185 kg
Dimensions 12.8 × 6.8 × 3 cm

Specifications

 CEM DT-409 Digital RCCB Tester Specifications

Measuring Ranges

Trip Current Settings

5mA 10mA 30mA 100mA 300mA 500mA

Test Current

No Trip Test

50% of circuit breaker trip current selected

Trip Test

100% of circuit breaker trip current selected

Fast Trip Test

250mA regardless of circuit breaker trip current selected

Fault Trip Time

2000ms (40ms for Fast Trip)

Operational Voltage

220V, 230V, 240V AC±10% 50/60Hz

Accuracy

Test Current

±3% at 220V 230V 240V AC

Test Current Duration

2000mS ±5% for Trip and NO Trip Tests

40ms ±5% for Fast Trip Test

Trip Time

±2% reading ±3 digit

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