
GMC-I Messtechnik GmbH
57
Test Sequence
➭
Before conducting any leakage current measurements, make
sure that the “Ref. voltage L-PE” and “Alt. Test Freq.” mea-
surement parameters have been correctly set in SETUP (see
section 6.2).
➭
Set the rotary switch to the
I
A
position.
➭
Connect the DUT in accordance with the selected measuring
method.
➭
In the case of measurement type APP: Connect the applied
parts.
➭
Select the measurement type:
– By setting the parameters
or
– Directly via the
Measurement Type
key
➭
In the case of measurement type APP:
Additionally select the respective applied parts by set-
ting the utilized sockets to “on” and the unused sockets
to “off”.
➭
In the case of
direct measurement
, measurement must
be performed with mains plug polarity in both direc-
tions. Select the respective polarity to this end by
pressing the
NL/LN
key.
➭
Start the test:
press the
START
/STOP
key.
➭
After each reconnection to the mains, and as soon as
the first test is started, a mains connection test is exe-
cuted.
➭
In the case of measurement type direct P1 or direct APP:
Acknowledge the warning which indicates that line
voltage will be connected to the test socket.
➭
Switch the device under test on.
➭
Contact the short-circuited applied parts with the test probe.
➭
The measured values are displayed. The measured
value recording symbol shown at the right appears.
Each time this key is pressed, the currently displayed
measured value is saved to buffer memory.
➭
Turn off the device under test.
➭
End the test:
press the
START
/STOP
key.
The save symbol appears (floppy disk showing the
number of measured values stored to buffer memory)
and prompts you to save the measured values to an ID
number.
➭
Read the measured values and compare them with the
table of permissible limit values.
➭
Press the
ESC
key in order to discard the measured
values stored to buffer memory and acknowledge by
pressing the key shown at the right.
See limit values in section 14.8.
Summary of Contents for SECULIFE ST PRO
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