[SENSe:]{FREQuency|PERiod}:RANGe:LOWer {<filter>|MIN|MAX|DEF}
[SENSe:]{FREQuency|PERiod}:RANGe:LOWer? [{MIN|MAX|DEF}]
Sets the AC bandwidth used to detect the signal during frequency and period measurements.
This parameter is shared between frequency and period measurements. Setting or querying the
parameter with the FREQuency version of this command is identical to setting or querying it with the
PERiod version.
The instrument uses three different AC filters that enable you either to optimize low frequency accuracy or to achieve
faster AC settling times following a change in input signal amplitude. The instrument selects the slow (3 Hz), medium
(20 Hz) or fast (200 Hz) filter based on the cutoff frequency specified by this command. Specify the lowest frequency
that you expect to encounter.
Parameter Typical Return
{3 Hz|20 Hz|200 Hz}
MIN=3 Hz, DEF=20 Hz, MAX=200 Hz
+6.27530000E+03
Make and read a frequency measurement. Use the 3 Hz filter bandwidth:
CONF:FREQ
FREQ:RANG:LOW 3
READ?
l If you enter the lowest expected frequency that you intend to encounter, the command will select the appropriate
<filter>. For example, if you enter 15 Hz, the slow filter (3 Hz) is selected. If you enter 190 Hz, the medium filter
(20 Hz) is selected to provide the appropriate low cutoff.
l This parameter is set to its default value after a Factory Reset (*RST) or Instrument Preset (SYSTem:PRESet).
Agilent Truevolt Series DMM Operating and Service Guide 201
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