The three filters are 3 Hz, 20 Hz, and 200 Hz, and you should generally select the highest frequency filter
whose frequency is less than that of the signal you are measuring, because higher frequency filters result in
faster measurements. For example, when you are measuring a signal between 20 and 200 Hz, you should
use the 20 Hz filter.
If measurement speed is not an issue, choosing a lower frequency filter may result in quieter meas-
urements, depending on the signal that you are measuring.
Delay - Selects whether the delay between channels in the scan list will be automatically or manually selec-
ted. By selecting Auto, instrument will automatically determine the channel delay based on measurement
function, range, integration time, and AC filter setting. By selecting Time, the specified delay (time in
seconds) is inserted between the relay closure and the actual measurement on each channel, in addition to
any delay that will implicitly occur due to relay settling time.
Diode
This section describes how to configure the selected channel for diode test from the front panel.
1.
Connect diode source to the module's screw terminals.
2. Press [Channel] > Measure, and select DIODE from the selection menu.
Advanced settings
Press Advanced to configure the advanced settings for the measurement.
Delay - Selects whether the delay between channels in the scan list will be automatically or manually selec-
ted. By selecting Auto, instrument will automatically determine the channel delay based on measurement
function, range, integration time, and AC filter setting. By selecting Time, the specified delay (time in
seconds) is inserted between the relay closure and the actual measurement on each channel, in addition to
any delay that will implicitly occur due to relay settling time.
Keysight DAQ970A User's Guide 119
[Channel] Menu Overview
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