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UTD4000 Four-channel User Manual
:
Illustration 9
Using the multimeter
The multimeter of this digital storage oscilloscope can
measure 5 parameters : voltage, resistance, on/off,
diode and DC current. The following example shows
the steps for DC current measurement :
1.
Assuming the size of the current to be measured
is unknown, a current-voltage converter module of 4A
range should be used. Connect it to the multimeter
port of the oscilloscope then connect the test lead.
2.
Press the [
DMM
] key and [
multimeter function table. Press
select measurement parameter DC current
[
]
[
]
F5
then
F4
to set current range to 4A
3.
Connect the
test lead
4.
If the current being tested is relatively small,
follow step 2 to select an appropriate current range
and use a suitable current-voltage converter module.
Adjust the current range of the current-voltage
converter module so it is consistent with that of the
oscilloscope. Next follow step 3 to measure.
F1
] to open the
[
]
[
]
F2
then
F5
.
"
"
Press
.
"
"
to the circuit being tested.
Figure 3-14 Selecting a large range for measurement
to
Figure 3-15 Selecting a suitable range for measurement
95
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