3: Instrument description 2470 High Voltage SourceMeter Instrument
3-24 2470-901-01 Rev. A / May 2019
Filter
Setting Description
Filter
Enables or disables the averaging filter for measurements of the
selected function.
Config
Displays the settings that are available for the averaging filter.
Filter Count
This sets the number of measurements that are averaged when
filtering is enabled.
Filter Type
Selects the type of averaging filter that is used for the selected
measure function when the measurement filter is enabled.
Select the moving average filter to continuously add measurements
to the stack on a first-in, first-out basis, replacing the oldest
measurement in the stack with a new measurement. Select the
repeating average filter to average a set of measurements and
then flush the data out of the stack before averaging a new set of
Math
Math
This setting enables or disables math operations. When this is on,
the math operation specified by Math Format is applied to the
Config
Displays the settings that are available for the math functions.
Math Format
When Math is enabled, you can specify which math operation is
performed on measurements. You can choose one of the following
math operations:
 mx+b: Manipulate normal display readings by adjusting the
m and b factors.
 Percent: Specify a constant that is applied to the
measurement and display readings as percentages.
 Reciprocal: The reciprocal math operation displays
measurement values as reciprocals. The displayed value is
1/X, where X is the measurement value (if relative offset is
being used, this is the measured value with relative offset
applied).
b(Offset)
Defines the constant for the offset factor.
m(Scalar)
Defines the constant for the scale factor.
Zero Reference
When the Math State is set to On, this setting specifies the
reference used when the math operation is set to percent; the
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