CONFigure:{FREQuency|PERiod} [{<range>|MIN|MAX|DEF} [,
{<resolution>|MIN|MAX|DEF}]]
Sets all measurement and trigger parameters to their default values for frequency or period measurements. Also
specifies the range and resolution.
Parameter Typical Return
<range>: 3 Hz to 300 kHz, default 20 Hz (FREQuency)
<range>: 3.33 µs to 333.33 ms, default 50 ms for PERiod
(none)
<resolution>: 1 ppm × <range> (MINimum) to 100 ppm × <range>
(MAXimum), DEFault = 10 ppm × <range> (100 ms aperture)
Specify <resolution> in the measurement's units (V, A, Hz, Ω, and so on).
Configure frequency measurements using the default aperture and the 200 Hz (fast) AC filter. Then make and read
one measurement:
CONF:FREQ
FREQ:RANG:LOW 200
READ?
Typical Response: +1.32130000E+03
l The <range> parameter is required only to specify the measurement resolution parameter. It is not necessary to
send a new command for each new frequency or period to be measured.
l If the input voltage is too large for the selected voltage range (manual ranging), the instrument displays the word
Overload on the front panel and returns "9.9E37" from the remote interface. Autoranging can be enabled for the
input voltage.
l Period and frequency measurements do not autorange; the <range> and <resolution> parameters affect the
aperture (gate time) as follows:
Resolution Aperture
100 ppm × <range> (MAXimum) 10 ms
10 ppm × <range> (DEFault) 100 ms
1 ppm × <range> (MINimum) 1 s
l With no signal applied, 0 is returned.
l Use READ? or INITiate to start the measurement.
See Also
CONFigure?
MEASure:{FREQuency|PERiod}?
142 Agilent Truevolt Series DMM Operating and Service Guide
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