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AVO®830 and AVO®835
33
Measurements
Milliampere Measurement
Warning: To avoid possible electric shock or personal injury never attempt an in-circuit current
measurement, where the open-circuit potential to earth is greater than 1000 V. You may damage the
instrument or be injured if the fuse blows during such a measurement.
Hz
CAT III 1000V
CAT IV 600V
COM
FUSED
100mA
V
10A
Ω
AVO835
RANGE
MODE
MIN MAX
AVG
REL %
REL
Low Z
HOLD/Auto
ac+dc
APO
Lo
Hz
Hz
°F
Hz
V
Hi
A
mA
OFF
OFF
Ω
°C
A
MODE
Hz
mA
mA
mA
Hz
Fig 13: ≤ 100 mA Measurement Set-up
To Measure AC or DC current
≤
100 mA
Caution:
To avoid blowing the instrument’s 100 mA fuse, use the mA terminal only if the current is
continuously less than 100 mA.
1. Set-up the instrument as shown in Fig 13.
•
Set the Function Dial to
Hz
mA
.
•
Red test lead: 100 mA terminal
•
Black test lead: COM terminal
2. Press
MODE
to toggle AC (default) or DC measurement
3. Set the circuit power to
Off
.
4. Make sure that high voltage capacitors are discharged.
5. Connect the test leads in circuit
6. Set the circuit power to
On
.
7. Once the reading is done, disconnect the supply before the test probes are removed.
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