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Making Measurements
2
Using the LPF (Low Pass Filter) Function for AC+DC measurements
Your multimeter is equipped with an AC LPF to help reduce electronic noise when
measuring a mixed signal.
1 Enable the LPF (refer to "Enabling the AC path filter (for U1282A only)" on page 140).
2 Rotate the multimeter's rotary switch to
.
V
3 Your multimeter continues measuring in the AC+DC mode, but now the signal diverts
through a filter that blocks unwanted voltages above 1 kHz.
Figure 2-10
AC+DC voltage (with LPF) display
Keysight U1281A/U1282A User's Guide
61
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