G-Check earthing installation monitor Earthing monitor for continuous status checking, displays measured value of loop resistance in an installation. When a specified value is exceeded the G-Check triggers an alarm output. For TT, TNS and TNC-S systems table SERIES G-CHECK DESCRIPTION Earthing monitor for continuous status checking VOLTAGE 230 V FREQUENCY 50/60 Hz ALARM ACTIVATION VALUE Adjustable MAXIMUM MEASURED VALUE 500 ohms
G-CHECK 230
