Keysight E4981A Programming Manual page 45

Setting Up Measurement Conditions and Display
Setting Up Display
You can select from two modes in the deviation measurement mode: displaying
the deviation as it is or displaying the deviation as a percentage relative to the
reference value. To set the deviation measurement mode, use the following
commands.
•
•
To set the reference value in the deviation measurement mode, use the
following command.
•
The table below shows the relationship between the setups using the above
commands and the values displayed as the measurement result.
Setup of
:CALCulate1:MATH:S
TATe
:CALCulate2:MATH:S
TATe
Where,
The measured value read out by the SCPI command is a calculation result
based on the above setup. For judgment in the comparator function, the
measurement result is used as is regardless of the setup. (Refer to the data
processing flow in the Operation Manual.)
Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
:CALCulate1:MATH:EXPRession:NAME
:CALCulate2:MATH:EXPRession:NAME
on page 208
:DATA[:DATA]
or
OFF
ON
and are:
Meas Ref
: Measured value
Meas
: Reference value (set using the
Ref
on page 189
on page 192
Setup of
:CALCulate1:MATH:EX
or
PRession:NAME
:CALCulate2:MATH:EX
PRession:NAME
———
DEV
PCNT
:DATA[:DATA]
Value d isplayed as the
measurement resul t
Meas
Meas Ref
–
Meas Ref
–
- - - - - - - - - - - - - - - - - - - - - - -
× 100
Ref
command)
45