3: Functions and features Model DMM7510 7½ Digit Graphical Sampling Multimeter
3-12 DMM7510-901-01 Rev. B / May 2015
Filter window
The filter window sets the window for the averaging filter that is used for measurements for the
selected function.
The noise window allows a faster response time to large signal step changes. A reading that is
outside the plus or minus noise window fills the filter stack immediately.
If the noise does not exceed the selected percentage of range, the reading is based on an average of
reading conversions — the normal averaging filter. If the noise does exceed the selected percentage,
the reading is a single reading conversion, and new averaging starts from this point.
Setting up the averaging filter
Using the front panel:
1. Press the MENU key.
2. Under Measure, select Calculations.
3. For Filter, select On to enable filtering.
4. Select Config.
5. For the Filter Type, select Moving or Repeat.
6. For the Filter Count, enter the number of measurements to be made for each averaged
measurement sample.
7. For the Filter Window, select a value.
8. Select OK.
9. Select HOME to return to the Home screen to view the measurements with the filter applied.
Using SCPI commands:
To set the averaging filters using SCPI commands, refer to the following command descriptions:
[:SENSe[1]]:<function>:AVERage:COUNt (on page 6-67)
[:SENSe[1]]:<function>:AVERage[:STATe] (on page 6-68)
[:SENSe[1]]:<function>:AVERage:TCONtrol (on page 6-69)
[:SENSe[1]]:<function>:AVERage:WINDow (on page 6-71)
Using TSP commands:
To set the averaging filters using TSP commands, refer to the following command descriptions:
dmm.measure.filter.count (on page 8-150)
dmm.measure.filter.enable (on page 8-151)
dmm.measure.filter.type (on page 8-152)
dmm.measure.filter.window (on page 8-153)
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