Operation Manual
16 GMC-I Messtechnik GMBH
7.3 Milliohm Measurement with 100 mA DC [m]
➭ Make sure that the device under test is voltage-free.
➭ Connect the device under test as shown.
KC4 Kelvin clips and KC27 Kelvin probes (available as
accessories) allow for easy, correct connection.
Resistance at the current jacks should amount to <1.
➭ If applicable, select the desired measuring range using
the MAN|AUTO key: 30 m, 300 m, 3 or 30 .
➭ Contact the measuring point.
The green LED OK must light up.
Note!
If the measuring current is interrupted during
4-wire-m-measurement or if the fuse F1 is defec-
tive, the message „open L“ flashes on the display
and the red LED ERROR lights up.
If fuse is defective, see chapter 10.2.
m
U+U–
R
x
Voltage Drop Measuring Current
m: 0.01 m 30
Overall Measuring Range:
+–
Measurement Cables,
KC27 or KC4
Note:
When using KC27 or
KC4 always set red
probe plug at U
+
or
U
–
, respectively.
I+
I–