[SENSe:]VOLTage:{AC|DC}:NULL[:STATe] {ON|1|OFF|0}
[SENSe:]VOLTage:{AC|DC}:NULL[:STATe]?
Enables or disables the null function for AC or DC voltage measurements.
This parameter is not shared between AC and DCmeasurements. The parameters are independent for AC
and DCmeasurements.
Parameter Typical Return
{ON|1|OFF|0}, default OFF 0(OFF)or1(ON)
Configure AC voltage measurements, using the null function to subtract 100 mV from the measurements. Make and
read two measurements:
CONF:VOLT:AC
VOLT:AC:NULL:STAT ON;VAL 100 mV
SAMP:COUN 2
READ?
Typical Response: +1.04530000E+00,+1.04570000E+00
l Enabling the scaling function also enables automatic null value selection ([SENSe:]VOLTage:
{AC|DC}:NULL:VALue:AUTO ON).
l To set a fixed null value, use this command: [SENSe:]VOLTage:{AC|DC}:NULL:VALue.
l The instrument disables the null function after a Factory Reset (*RST), Instrument Preset (SYSTem:PRESet), or
CONFigure function.
[SENSe:]VOLTage:{AC|DC}:NULL:VALue {<value>|MIN|MAX|DEF}
[SENSe:]VOLTage:{AC|DC}:NULL:VALue? [{MIN|MAX|DEF}]
Stores a null value for voltage measurements.
This parameter is not shared between AC and DCmeasurements. The parameters are independent for AC
and DCmeasurements.
Parameter Typical Return
-1200 to +1200 V, default 0 +1.00000000E-02
Configure AC voltage measurements, using the null function to subtract 100 mV from the measurements. Make and
read two measurements:
CONF:VOLT:AC
VOLT:AC:NULL:STAT ON;VAL 100 mV
SAMP:COUN 2
READ?
Typical Response: +1.04530000E+00,+1.04570000E+00
l Specifying a null value disables automatic null value selection ([SENSe:]VOLTage:{AC|DC}:NULL:VALue:AUTO
OFF).
l To use the null value, the null state must be on ([SENSe:]VOLTage:{AC|DC}:NULL:STATe ON).
l This parameter is set to its default value after a Factory Reset (*RST), Instrument Preset (SYSTem:PRESet), or
CONFigure function.
218 Agilent Truevolt Series DMM Operating and Service Guide
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