SEW 1810 EL EL ELCB / RCCB / GFCI 测试仪 (Analog, 10-50mA, 230Vac)

● Taut Band movement.
● Simple operation.
● Wiring check.
● Robust.
● Can be used on 2 wires L-E (ELCB/RCCB/GFCI tester).
● Can be used on 3 wires L-E-N (with wiring check).
● No battery required.
● Sense automatically 50 or 60 Hz.
● Current injected in phase with the voltage.
● Other voltage optional (110V).