5.3
Voltage Measurement
E
C1
!
Attention!
During voltage measurement no device may be connected to
jacks E and H (or C1 and C2, respectively).
Voltage measurement between the S and E/S jacks is started automatically
as soon as the voltage measuring function has been selected. Switch-
over between AC and DC is performed automatically. The same applies to
the polarity indication for direct voltage.
Ð
Press the
key in order to return to the main menu.
16
ES
S
H
P1
P2 C2
5.4
Earth Resistance Measurements in General
Perform measurements as follows after setting up the measuring circuit as
described in the following sections:
Ð
In order to select the desired measurement type, press the R
key for 3-pole, or the R
E4-P
ment in accordance with the measuring circuit setup.
Ð
Press the START key in order to start the measurement.
Ð
Read the measured value.
Ð
Check to see whether or not any errors have been indicated by
means of the display functions described above.
Ð
Eliminate any indicated errors and start the measurement again.
key for 4-pole earth resistance measure-
START
GMC-I Messtechnik GmbH
E3-P