User manual

GMC-I Gossen-Metrawatt GmbH 43
Measurements: V/Hz, Ω, , Temp (°C/°F), , MΩ
@UISO
, A/Hz
5.8.1 Direct and Pulsating Current Measurement, Direct Connection,
A DC and A (DC+AC)
➭ First disconnect supply power from the measuring circuit or
the power consumer (1), and discharge any capacitors.
➭ In accordance with the current to be measured, set the rotary
switch to A or A .
➭ Select the type of current appropriate for the measured
quantity by briefly pressing the FUNC | ENTER multifunction
key. Each time the key is pressed, the instrument is switched
back and forth between A DC and A (DC + AC)
TRMS
, which is
indicated by means of an acoustic signal. The current type is
indicated at the LCD by means of the DC or the (DC+AC)
TRMS
symbol.
➭ 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.
COM mA A
V
Temp
Ω MΩISO
~
R
x
~
R
x
1
3
2
!
A
A
003 . 50
mA
DC
003 . 50
mA
DC
AC
TRMS
A
A
A: 0.1 μA . . . 11 A
A: 10 μA . . . 11 A
6 ranges: 300 μA, 3 mA, 30 mA, 300 mA, 3 A and 10 A
88 . 8 . 8 . 8
!
I > 11 A
Current
Current
Measuring Ranges:
Current measurement
may only be performed
with installed batteries!
FUNC
ENTER
MEASURE
SETUP
... Z SET ... V CL IP
FUNC
ENTER
FUNC
ENTER
UV 0ff