Operation Manual

46 GMC-I Messtechnik GmbH
Measurements R
SL
– MΩ
ISO
@10 V/100 V – CAP Switch positions (a-b) (a-E) (b-E)
6.3.1 Connecting the Measurement Cables
Note
Testing the Measurement Cables
The test probes at the ends of the measurement cables
should be short circuited before performing insulation
resistance measurements with the selector switch in the Ω
or the position, in order to make sure that a value close
to 0 Ω is displayed at the instrument. Incorrect connection or
a broken measurement cable can be detected in this way.
Ð Cable connection:
Connect the measurement cables to jacks a, b and E.
6.3.2 Selection of Test Voltage or Galvanic Signature
In the interference voltage detection mode you can select test
voltages of 10 V or 100 V with the
 or  key. The selected test
voltage is shown as a segment above the digital display, the sig-
nature recognition mode is shown as a digital display.
COM mA A
V
Tem p
Ω
aEb
00 . 00
Ω
Short-circuit the measuring cables
a
a
b
b
E
E
R
x
0V !
!
ab
aE
Eb
MAN / AUTO
DATA/MIN/MAX
000.0
U ISO
V
DC
AC
TRMS
ISO
10 V
000.0
U ISO
V
DC
AC
TRMS
ISO
100 V
sign
Signature
V
DC
AC
TRMS
a-b
a-E
b-E
MΩ
ISO
@10V/100V
U ISO
MAN / AUTO
DATA/MIN/MAX
MAN / AUTO
DATA/MIN/MAX