3 Features and Functions
126 Keysight 34980A Mainframe User’s Guide
–The CONFigure and MEASure? commands contain an optional parameter
which allows you to specify the resolution.
– The instrument returns to 5½ digits when the measurement function is
changed and after a Factory Reset (*RST command). An Instrument Preset
(SYSTem:PRESet command) or Card Reset (SYSTem:CPON command) does
not change the resolution setting.
Front Panel Operation:
DMM or Channel (Configure) > INTEGRATION > NPLC
Select the measurement function on the active channel, then select the desired
resolution at the next menu level.
Remote Interface Operation:
Specify the resolution in the same units as
the measurement function, not in number of digits. For example, if the function is
dc voltage, specify the resolution in volts. For frequency, specify the resolution in
hertz.
You can select the resolution using parameters in the CONFigure and MEASure?
commands. For example, the following command selects the 10 Vdc range with
4½ digits of resolution on the specified channel.
CONF:VOLT:DC 10,0.001,(@3001)
The following command selects the 1A range with 6½ digits of resolution on
channel 2041 (current measurements are allowed only on channels 41 through 44
on the 34921A).
MEAS:CURR:AC? 1,1E-6,(@2041)
You can also select the resolution using the SENSe commands. For example, the
following command specifies a 2-wire ohms measurement with 100Ω of resolution
on channel 1003.
SENS:RES:RES 100,(@1003)
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