Rigol DM3058 Manuel d'utilisateur Page 102

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RIGOL
Users Guide for DM3058/DM3058E
3-4
Example 3: dBm Measurement
dBm is commonly used in audio signal measurement. Next, we will show you how
to measure dBm value.
Operating Steps:
1. Press
button to start AC Voltage Measurement and choose an appropriate
voltage range.
2. Connect test leads as Figure 2-8.
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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