User Manual
44 GMC-I Messtechnik GmbH
Measurements: V/Hz, , , Temp (°C/°F), , M
@UISO
, A/Hz
5.8.2 Alternating Current and Frequency Measurement,
Direct Connection, A AC and Hz
➭ First disconnect supply power from the measuring circuit or
the power consumer (1), and discharge any capacitors.
➭ In accordance with the current or frequency to be measured,
turn the rotary switch to A~ or Hz.
➭ Select the desired measured quantity by briefly pressing the
FUNC | ENTER multifunction key. Each time the key is pressed,
AC
TRMS
and Hz are alternately selected, and
switching is acknowledged with an acoustic signal.
➭ Safely connect the measuring instrument (without contact
resistance) in series to the power consumer 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.
COM mA A
V
Temp
MISO
~
R
x
~
R
x
1
3
2
A~
Hz
A~
Hz
003
.
50
mA
AC
TRMS
0050
.
1
Hz
AC
88
.
8
.
8
.
8
!
!
I > 11 A
Current measurement
may only be performed
with installed batteries!
Current
FUNC
ENTER
Measuring Ranges:
Hz: 1 Hz . . . 31 kHz
A ~: 10 A . . . 11 A
6 ranges: 300 A, 3 mA, 30 mA, 300 mA, 3 A and 10 A
3 ranges: 300 Hz, 3 kHz and 30 kHz
MEASURE
SETUP
... SET ... CL IP
FUNC
ENTER
FUNC
ENTER
0ff