MEASure:{FRESistance|RESistance}? [{<range>|AUTO|MIN|MAX|DEF},
[{<resolution>|MIN|MAX|DEF},]] (@<ch_list>)
RESistance measurements only supported on DAQM900A, DAQM901A, DAQM902A, and DAQM908A mul-
tiplexer modules.
FRESistance measurements only supported on DAQM900A, DAQM901A, and DAQM902A multiplexer mod-
ules.
Resets all measurement parameters on the specified channels to their default values. Then, configures the channels
for 2-wire and 4-wire resistance measurements and immediately sweeps through the specified channels one time
(independent of the present scan list). The results are sent directly to reading memory and the instrument's output
buffer. This command redefines the scan list.
Parameter Typical return
<range>
RESistance: { 100 Ω | 1 kΩ | 10 kΩ | 100 kΩ | 1 MΩ | 10 MΩ | 100 MΩ | 1 GΩ
}.
Default: 1 kΩ
FRESistance: { 100 Ω | 1 kΩ | 10 kΩ | 100 kΩ | 1 MΩ | 10 MΩ | 100 MΩ | 1 GΩ
}.
Default: 1 kΩ
+8.54530000E+01
<resolution> = 1 PLC (0.000003 x Range)
Configure 4-wire resistance measurements using the 100 Ω range with default resolution. Then make and read one measurement:
MEAS:FRES? 100
Typical response: +8.54530000E+01
– You can let autoranging select the measurement range, or you can manually select a fixed range. Autoranging
conveniently selects the range for each measurement based on the input signal. For fastest measurements, use
manual ranging (autoranging may require additional time for range selection).
– Autoranging (AUTO or DEFault), will generate an error if you specify a <resolution> because the instrument can-
not accurately resolve the integration time (especially if the input continuously changes). If your application
requires autoranging, specify DEFault for the <resolution> or omit the <resolution> altogether.
– Autoranging goes down a range at less than 10% of range and up a range at greater than 120% of range.
– If the input signal is greater than can be measured on the specified manual range, the instrument displays the
word Overload on front panel and returns "9.9E37" from the remote interface.
170
Keysight DAQ970A/DAQ973A Programming Guide
2 SCPI Programming
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