7½ Digit Graphical Sampling Multimeter Reference Manual Section 8: TSP co
DMM7510-901-01 Rev. B / May 2015 8-183
dmm.measure.rel.method
This attribute determines if relative offset is applied to the measurements before calculating the DC voltage ratio
value.
Type TSP-Link accessible Affected by Where saved Default value
Instrument reset
Power cycle
Measure configuration list
Measure configuration list
Usage
value = dmm.measure.rel.method
dmm.measure.rel.method = value
• Do not apply relative offset: dmm.METHOD_RESULT
•
Apply relative offset: dmm.METHOD_PARTS
Functions
dmm.FUNC_DIGITIZE_CURRENT
dmm.FUNC_DIGITIZE_VOLTAGE
Details
This command determines if relative offset is applied to the voltage measurements before the ratio
calculation or if the relative offset is applied to the final calculated value.
When the parts methods is selected, the individual readings each have the relative offset value
applied before being used to calculate the measurement reading. When parts is selected, the relative
offset value is working with smaller ranges, so an error may occur. Reduce the relative offset value if
you receive an error. A relative offset is applied to the sense value and then to the input value.
When the results method is selected, the individual readings do not have the relative offset value
applied. The relative offset value is applied to the final calculation.
Example
dmm.measure.func = dmm.FUNC_DCV_RATIO
dmm.measure.rel.method = dmm.METHOD_PARTS
Set the measure function to DC voltage
ratio.
Set the method to apply relative offset
before generating the ratio.
Also see
dmm.measure.rel.enable (on page 8-180)
dmm.measure.rel.level (on page 8-181)
Relative offset (on page 3-4)
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