Operation Manual
GMC-I Messtechnik GmbH 53
Test Sequence per EN 60335
Select connection, select test regulation EN 60335 classify DUT (SC I, II or III), setup/sequence: R-INS / HV test X/– (with/without)
Visual inspection
OK?
SC I: R
PE
OK?
Short-circuit
at DUT?
No
Yes
Display results, save / print report
Yes
No
Yes
No
No
Test
OK?
Framed with dashed line: 
Test is only run if it has been 
activated in the Setup menu under 
Sequence....
Switch line voltage to test socket, start function test
Start
function test
Safety Class I only: 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
Activate high-voltage
Test R
INS
?
Yes
R
INS
 OK?
Test HV?
Yes
HV OK?
No
No
Yes/No
Yes/No
Test
O.K.?
Test I
EL
?
NC/SFC
Test I
RC
?
I
EL
 OK?
NC/SFC
I
RC
 OK?
Yes
Yes
Yes/No
Yes/No
No
No










