User Manual

Operating manual for the GT-400 appliance tester

BEHA-AMPROBE

Test line compensation

In order to achieve correct results when measuring the

protective conductor, the resistance of the test line must be

compensated. When the device is supplied, the test line delivered

is compensated.

After selecting the „Compensation“ menu item, connect the test

line to the protective earth contact of the test socket. The

information appears on the display.

After the connection has been made, compensation is started.

After successful completion of the compensation, the following

message appears:

The compensation values are then stored permanently.