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The datasheet for my NI-DAQ™mx device does not specify a minimum sample rate. I've seen other NI DAQ devices that specify a minimum sample rate. Does this device have a minimum sample rate if it isn't included in the data sheet?
Some NI-DAQ™mx modules that use Delta-Sigma ADCs require a minimum sample rate because they oversample signals for filtering needs. If there is no minimum sample rate specified, your device can sample as slow as your time base allows.
Note: For any sampling at frequencies less than ~1 Hz, software timing is an appropriate alternative. See Accuracy of Software-Timed Applications in LabVIEW for more information on software timing data acquisition.
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