[SENSe:]CURRent:{AC|DC}:NULL[:STATe] {ON|1|OFF|0}
[SENSe:]CURRent:{AC|DC}:NULL[:STATe]?
Enables or disables the null function for AC or DC current measurements.
This parameter is not shared between AC and DCmeasurements. The parameters are independent for AC
and DCmeasurements.
On the 34461A, use the [SENSe:]CURRent:{AC|DC}:TERMinals command to specify which current
terminals to use for the measurement.
Parameter Typical Return
{ON|1|OFF|0}, default OFF 0(OFF)or1(ON)
Configure AC current measurements, using the null function to subtract 100 mA from the measurements. Then
make two measurements and send them to the instrument's output buffer:
CONF:CURR:AC
CURR:AC:NULL:STAT ON;VAL 100 mA
SAMP:COUN 2
READ?
Typical Response: +1.04530000E+00,+1.04570000E+00
l Enabling the scaling function also enables automatic null value selection ([SENSe:]CURRent:
{AC|DC}:NULL:VALue:AUTO ON).
l To set a fixed null value, use this command: [SENSe:]CURRent:{AC|DC}:NULL:VALue.
l The instrument disables the null function after a Factory Reset (*RST), Instrument Preset (SYSTem:PRESet), or
CONFigure function.
Agilent Truevolt Series DMM Operating and Service Guide 189
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