The voltage value is only displayed when the voltage is approximately AC200 ~ 240V.
Voltage value display (1018 only)
Turn on the socket tester first, then insert it into a 10A standard three hole socket, and light up the corresponding wiring indicator light according to the current wiring status.
Leakage switch protection detection
Insert the tester into a three hole power socket and ensure that the Leakage test button is pressed (pressed for less than 3 seconds) when the display screen indicates correct wiring
Before using this function, please turn off all electrical appliances and proceed as conditions permit to ensure that the power outage will not cause any losses.