EX65x‐en‐GB_V1.6 7/16
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LowPassFilter(LPF)EX655only
The LPF mode eliminates high frequency noise in voltage and current measurements by
means of a low‐pass filter. The LPF mode is designed the measurement of Inverters,
Variable Frequency Drives, etc. The display icon LPF (Low Pass Filter) is displayed when this
mode is active.
1. Follow the instructions in this User Guide for measuring Current or Voltage.
2. Press and hold the LPF button until LPF icon appears. The Low Pass Filter is now
active.
3. Take measurements as described in the Voltage or Current sections of this guide.
4. Press and hold the LPF button again to exit this mode. The LPF display icon will
switch off and the meter will return to the normal operating mode.
Relative Mode
In Relative mode a reference reading can be stored with which to compare subsequent
readings. Press the
button to store the displayed reading in memory, this reading is now
the reference. The symbol will be displayed when the Relative mode is active.
Subsequent readings are compared to the stored reference (Displayed Reading =
Measurement minus Reference). Press the button again to exit the Relative mode; the
Relative symbol will switch off.
Relative mode is available for Voltage, Current, and Capacitance modes only.
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