CONFigure?
Returns a quoted string indicating the present function, range, and resolution. The short form of the func-
tion name (CURR:AC, FREQ) is always returned.
Parameter Typical Return
(none) "VOLT +1.00000000E+01,+3.00000000E-06"
Return the present function, range, and resolution:
CONF?
CONFigure:CAPacitance [{<range>|AUTO|MIN|MAX|DEF} [, {<resolution>|MIN|MAX|DEF}]]
Sets all measurement and trigger parameters to their default values for capacitance measurements. Also
specifies the range.
Parameter Typical Return
<range>: {1 nF|10 nF|100 nF|1 µF|10 µF|100 µF}. Default:
AUTO.
(none)
<resolution>: optional and ignored; fixed at 4½ digits.
Configure capacitance measurements using the 1 µF range. Make and read two measurements:
CONF:CAP
SAMP:COUN 2
READ?
Typical Response:+3.01574316E-10,+3.01659030E-10
l 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 fast-
est measurements, use manual ranging (autoranging may require additional time for range selection).
l
Autoranging (AUTO or DEFault), will generate an error if you specify a <resolution> because the instru-
ment cannot 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.
l Autoranging goes down a range at less than 10% of range and up a range at greater than 120% of
range. For capacitance measurements only, when autorange is off, the instrument does not report an
overload for readings greater than 120% of range. Overload only occurs when the algorithm times out
because the applied capacitance is too large for the algorithm to measure. If you apply a DC voltage or
a short to the input terminals in capacitance measurement mode, the instrument reports an overload.
l If the input signal is greater than can be measured on the specified manual range, the instrument dis-
plays the word Overload on front panel and returns "9.9E37" from the remote interface.
l Use READ? or INITiate to start the measurement.
Keysight Truevolt Series Operating and Service Guide
245
SCPI Programming Reference
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