User manual

38 GMC-I Messtechnik GmbH
V/Hz, , Temperature, and A/Hz Measurements
5.8.1 Direct Current Measurement, A DC
➭ First disconnect supply power from the measuring circuit or
the power consumer (1), and discharge any capacitors.
➭ Set the rotary switch to mA .
➭ Safely connect the measuring instrument (without contact
resistance) in series to the power consumer (2) as shown.
➭ Switch supply power to the measuring circuit back on (3).
➭ Read the display. Make a note of the measured value if the
instrument is not being operated in the memory mode or the
transmission mode.
➭ Disconnect supply power from the measuring circuit or the
power consumer (1) once again, and discharge any
capacitors.
➭ Remove the test probes from the measuring point and return
the measuring circuit to its normal condition.
–+ +
~
R
x
~
R
x
1
3
2
I > 310 mA
!
mA
003.50
A
DC
mA
0.3 mA / 3 mA
30 mA / 300 mA
8 . 8 . 8 . 8 . 8
!
Current
Measuring ranges:
Current measurement only
with batteries installed!
MR 300 mA
...