[SENSe:]CURRent:AC:SECondary {"OFF"|"CALCulate:DATA"|"FREQuency"|"CURRent[:DC]"}
[SENSe:]CURRent:AC:SECondary?
Selects the secondary measurement function for AC current measurements.
Parameter Typical Return
{"OFF"|"CALCulate:DATA"|"FREQuency"|"CURRent[:DC]"},
default "OFF"
"CALC:DATA"
Configure AC current measurements using the 1 A range. Select frequency as the secondary
measurement. Make and retrieve measurements.
CONF:CURR:AC 1
CURR:AC:SEC "FREQ"
READ?;DATA2?
Typical Response: +0.50000000E+00;+1.00000000E+03
l "CALCulate:DATA" - (Applies only to the 34465A and 34470A.) The measurement value before any
math operations are done (including NULL).
l "FREQuency" - The frequency measurement of the input signal.
l "CURRent[:DC]" – The DC current measurement of the input signal. Applies only when using the instru-
ment from the front panel. Setting is ignored for measurements made from a remote interface. If you
require both AC and DC current measurements from remote, program each function separately, see
CONFigure:CURRent:{AC|DC}.
l This parameter is set to its default value after a Factory Reset (*RST) or Instrument Preset
(SYSTem:PRESet).
[SENSe:]CURRent[:DC]:APERture {<seconds>|MIN|MAX|DEF}
[SENSe:]CURRent[:DC]:APERture? [{MIN|MAX|DEF}]
Specifies the integration time in seconds (called aperture time) for dc current measurements.
Use this command for precise control of the DMM's integration time. Use NPLC (see
[SENSe:]CURRent[:DC]:NPLC ) for better power-line noise rejection characteristics
(NPLC > 1).
Parameter Typical Return
(Without the DIGoption) 200µs to 1 s (2 µs resolution), default: 100 ms. (With the DIG
option) 20 µs to 1 s (2 µs resolution), default: 100 ms.
+1.00000000E-
01
Enable aperture time mode, set the aperture time to 300ms:
CURR:APER:ENAB ON
CURR:DC:APER 300E-03
Keysight Truevolt Series Operating and Service Guide
327
SCPI Programming Reference
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