RIGOL
User’s Guide for DM3058
Example 3: dBm Measurement
Operating Steps:
1. Connecting the red lead (Test leads) to Terminal Input-HI (tested circuit) and
black lead to Terminal Input-LO.
2. Press button to start AC Voltage Measurement and choose an appropriate
voltage range.
3. Set parameters of dBm operation
(1) Press dBm to set the selective value of dBm as a reference value
within supposed circuit by using Direction keys.
Figure 3-5
Select Reference resistance as measurement value
(2) Press ON to turn on dBm measurement function. At this time, the
reading shown on the screen is the Power value of reference resistance.
Figure 3-6 Operation result
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