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Average Function
Average operation
• Average functions for all measured values except the peak value, integrated values, and
harmonic data when using a data refresh interval of a 10 ms.
The instrument displays the following values as the peak voltage and peak current values:
In exponential averaging mode, the peak values of all data that consists of the most recent
points
In moving averaging mode, the peak values of a subset that forms from the user-specied
number of the most recent values
• It applies not only to display values but also to measured values saved on a USB ash drive,
measured values acquired using communications, and measured values output as an analog
signal.
• When a measured-value-related setting, such as the wiring mode or range, changes, average
calculation is restarted. In this case, since no average value exists until the next data refreshing,
measured values during this period will be invalid.
• When averaging and auto-ranging are used together, it may take longer than usual to stabilize
measured values on the correct value.
• Integrated measured values during average operation are calculated from measured values prior
to average operation.
• Internal average calculations continue even when the hold function is freezing on-screen
measured values.
• The peak hold function applies to measured values after average operation.
Behavior when an overload condition occurs
If an overload condition occurs in moving averaging mode, an over-range average value will be
calculated. If an overload condition occurs in exponential averaging mode, average calculations will
continue using internal calculation values.
IMPORTANT
• Settings cannot be switched on a wiring conguration or channel basis.
• Waveforms shown on the screen and D/A output waveforms are not aected by overload.
• For more information about average calculation methods for dierent types of measured values,
see the average section in “10.5 Specications of Equations” (p. 212).
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