7½ Digit Graphical Sampling Multimeter Reference Manual Section 8:
DMM7510-901-01 Rev. B / May 2015 8-107
dmm.digitize.math.percent
This attribute specifies the reference constant that is used when math operations are set to percent.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (RW) Yes
Restore configuration
Instrument reset
Power cycle
Measure configuration list
Configuration script
Measure configuration list
1
Usage
value = dmm.digitize.math.percent
dmm.digitize.math.percent = value
The reference used when the math operation is set to percent; the range is -1e12 to
+1e12
Functions
dmm.FUNC_DIGITIZE_CURRENT
dmm.FUNC_DIGITIZE_VOLTAGE
Details
The percent math function displays measurements as percent deviation from a specified reference
constant. The percent calculation is:
Where:
• Percent is the result
• Input is the measurement (if relative offset is being used, this is the relative offset value)
• Reference is the user-specified constant
Example
dmm.digitize.func = dmm.FUNC_DIGITIZE_CURRENT
dmm.digitize.math.format = dmm.MATH_PERCENT
dmm.digitize.math.percent = 42
dmm.digitize.math.enable = dmm.ON
Set the measurement function to current.
Set the math operations to percent.
Set the percentage value to 42 for voltage
measurements.
Also see
Calculations that you can apply to measurements (on page 3-7)
dmm.digitize.math.enable (on page 8-102)
dmm.digitize.math.format (on page 8-103)
dmm.measure.math.percent (on page 8-171)
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