RIGOL
© Copyright RIGOL Technologies, Inc. 2007. 1-11
User Manual for DM3000 Series
To Measure DC Current
In view of DC current measurement function, the following part demonstrated how
to link the measurement connection and how to choose measurement functions. The
following practice will gradually guide you to be familiar with the DC Current
measurement technique.
Figure 1-13
DC Current measurement data interface
Table 1-3 DC Current measurement characteristics
Five Range 2mA, 20mA, 200mA, 1A, 10A
Max Resolution 10nA
Import Protection
10A, 250V Current Input Fuse on rear
panel
Configurable
Parameters
Range, Null value
Basic measurement:
1. Connect test leads as Figure 1-14 shown. Red test lead connects the HI Terminal,
Black test lead connects the LO Terminal.
2. Press to select the DC Current measurement function.
3. According to the current measuring scope, choose the correct range.
4. Set the Null value
Null computing will be an option operation, could be setup in accordance with
user demand. If user does not implement Null computing, this parameter is not
required, direct implementation of the next step.
(To know the specific setting methods of the Null value setting, please refer to
Chapter 2 “To Set Up Measurement Parameters”, Null computing)
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