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Earth-leakage tester - CDB series
The CDB series by Circutor is an earth leakage tester designed to rake reading in single or three-phase installations. The unit has a capacity to measure amperage using a voltage that has a phase of 190 to 260 V. For this specific model, it is powered by batteries or accumulators. It can measure voltages in different functionality such as within phase to earth UL-PE, phase to neutral UL-N and neutral to earth terminal UN-PE. Also, it can measure protection loop impedance RS with either connected or disconnected from RCD. In addition to its function, it also measures trigger time TA of RCD having a earth leakage intensity of I_N, 5x I_N and pulsed current. For display, it uses a backlit LCD for easy viewing of the result.