Operation Manual
GMC-I Messtechnik GmbH 43
Test Sequence per VDE 0701, part 240 
Select connection, select test regulation VDE 0701, part 240 classify DUT (SC I, II or III), combination testing X/– (yes/no)
Visual inspection
OK?
SC I: RPE
OK?
Short-circuit
at DUT?
Yes/No
No
Display results (for combination testing: additional display of differential resistance), save / print report
Yes
No
No
Test
OK?
Framed with dashed line: 
The test is only run if it has been 
activated in the initial program window, 
or in the Setup menu under 
Sequence....
Switch line voltage to test socket, start function test
Start
function test
Switch line voltage to test socket, start measurement
Reverse mains polarity, perform measurement again
Contact all exposed, conductive parts with the probe. 
The test can be repeated as often as desired for various
protective conductor parts with the manual sequence*.
* If it is not clear whether or not all 
exposed, conductive parts are 
connected to one another or to the 
protective conductor, testing can 
be performed in the manual mode.
Switch DUT on
Yes
IL
OK?
Yes
No










