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Digital RCD Tester | CEM DT-904
$180.00 .( $198.00 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
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
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CEM DT-409 Digital RCCB Tester Specifications |
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Measuring Ranges |
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|
Trip Current Settings |
5mA 10mA 30mA 100mA 300mA 500mA |
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Test Current |
|
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No Trip Test |
50% of circuit breaker trip current selected |
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Trip Test |
100% of circuit breaker trip current selected |
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Fast Trip Test |
250mA regardless of circuit breaker trip current selected |
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Fault Trip Time |
2000ms (40ms for Fast Trip) |
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Operational Voltage |
220V, 230V, 240V AC±10% 50/60Hz |
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Accuracy |
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Test Current |
±3% at 220V 230V 240V AC |
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Test Current Duration |
2000mS ±5% for Trip and NO Trip Tests 40ms ±5% for Fast Trip Test |
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Trip Time |
±2% reading ±3 digit |
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