Gossen Metrawatt 751 用户手册

GOSSEN METRAWATT GMBH

37

Test Sequence per VDE 0751 

Select connection, select test regulation VDE 0751, classify the DUT (SC I or II), application part? (type B/BF/CF)

Visual inspection

OK?

SC I: R

PE

OK?

R

ISO

OK?

Short-circuit

at DUT?

Yes/No

No

Display results, save/print report

Yes

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 ...

or
– If at all possible

Switch line voltage to test socket, start function test

Start

function test

I

EDL

ΔI

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.

Contact all exposed, conductive parts with the probe.

Yes

Switch DUT on

I

DL

No

ΔI or I

DL

: only if the device is switched electronically

OK?

No

No

No

Yes

Yes

I

EPL

I

PL

OK?

No

No

Yes

Application parts B, BF, CF