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SCPI Commands for the Digital Multimeter
3–212
VX4101A MultiPaq Instrument User Manual
CALCulate:TRANsform:HISTogram:BELow?
Returns the number of points below the minimum value in a histogram
calculation.
CALCulate:VARiance? [<count>[,<offset>[,<step_size>]]]
This query calculates and returns the variance for a set of data. The variance is
the standard deviation squared or:
σ + sqrt (S (datai – average)2 ń (n–1))
n + amount of data summed
If no valid data values were found “No Data” will be returned. The optional
parameters are for calculating selected values in the memory buffer. The optional
<count> parameter specifies the number of data points to calculate. If no
<count> is specified, then the number measurements last taken will be the
default. The optional <offset> parameter determines at which point in memory
values will start to be calculated. The optional <step_size> parameter determines
the number of measurements to skip before taking a value to be used. Note: In
order to specify a <step_size>, you must enter the <count> and the <offset>
information.
CALCulate:AVERage? [<count>[,<offset>[,<step_size>]]]
Command Response
inst:sel dmm Selects the DMM
calc:lim:upper 5.0 Sets upper voltage limit to 5
calc:aver? Averages all the data that has been collected
calc:aver? 20,3,2 Averages 20 measurement readings. Starts with the 3rd mea-
surement. Averages every other data point
CALCulate:LIMit:ENVelope[:DATA]
Command Response
inst:sel dmm Selects the DMM
calc:lim:env 5.0, 1.0 Sets an envelope voltage. All data points above 5.0 volts and
below 1.0 volts are targeted.
calc:lim:env? 1.0, 5.0<lf> returns the envelope threshold voltages
calc:lim:env 1.0,5.0 Sets an envelope voltage. All data points between 5.0 volts
and 1.0 volts are targeted.
calc:lim:env? 5.0, 1.0<lf> returns the envelope threshold voltage
Examples