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128 Multimeter Command Reference Chapter 3
DETector:BANDwidth?
[SENSe:]DETector:BANDwidth? returns which ac filter has been selected. The
value returned is
3, 20 or 200. The value is sent to the output buffer.
Example Query the Detector Bandwidth
DET:BAND 200
Select 200Hz bandwidth (fast filter).
DET:BAND?
Query multimeter to return the detector
bandwidth setting.
FREQuency:APERture
[SENSe:]FREQuency:APERture <time> selects the aperture time (or gate time) for
frequency measurements.
Comments • Specify 0.01 (10ms) for 4½-digits, 0.1 (default, 100ms) for 5½-digits
or 1 second for 6½-digits.
• MIN = 0.01, MAX = 1.
• *RST Condition: 0.1 seconds
Example Set a Frequency Aperture Time of 1 Second
FREQ:APER 1
Sets aperture time to 1 second.
FREQuency:APERture?
[SENSe:]FREQuency:APERture? [MIN|MAX] queries the aperture time for
frequency measurements. The
MIN parameter returns the minimum aperture
value (
0.01); the MAX parameter returns the maximum aperture value (1).
Parameter Name Parameter Type Range of Values Default Units
<time>
numeric 0.01|0.1|1|MIN|MAX seconds