
RIGOL
© 2007 RIGOL Technologies, Inc.
User’s Guide for DM3000 Series
3-5
Example 2: Elimination Leads Resistance Error
When measuring smaller resistance, the test leads resistance may causes large
measurement deviation.
Do these steps as follow:
1. To measure an Resistance. Connect test leads as shown below:
Figure 3- 3 Measure Resistance
2. Press
button, select Resistance (2WR) measurement function. Choose an
appropriate measurement range.
3. Set the Null measurement function parameters.
(1). Short circuit the test leads.
(2). Press Æ Null Æ Current to set the Null setting value with current
reading.
(3). Press
save this setting.
(4). Press
to finish the setting and back to a higher level menu.
4. In resistance measurement display interface, press Null, start Null function.
5. Lead test leads into circuit and start to measure.
Figure 3- 4
Resistance
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