Feature #1279

Usage items

Added by tin about 7 years ago. Updated about 7 years ago.

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me Directly For DC or ohms measurements, you can specify the integration time directly (in seconds) using the APER (aperture) command. For example, to specify 22 ms of integration time, send: OUTPUT 722;"APER.022" Note When using the APER command, the multimeter does not average readings for long integration times as it does with the NPLC command. For example, if you specify 60=PLCs (1 second of integration time at a 60 Hz = line frequency) using the NPLC command, the mulitmeter averages six 10 PLC readings. If you specify 1 second of integration time using the APER command, the multimeter integrates a single reading for 1 second. With the APER command, you can specify integration time from 500ns to 1s in increments of 100ns. The APER command is most commonly used when sampling a specific part of a signal (such as a pulse) or for digitizing. You can also use the APER command to reject a noise signal of a specific frequency from the input signal. To do this, set the integration time equal to an integral multiple of the period of the signal to be rejected. For example, to reject noise at 100Hz (period = 10ms), specify an integration time of 10ms, 20ms, 30ms, etc.

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