Counter Input >> Frequency >> Measurement Specifications >> High Frequency >> Measurement Time

NI-DAQmx C Reference Help

Edition Date: January 2019

Part Number: 370471AM-01

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Data Type: float64
Description: Specifies in seconds the length of time to measure the frequency of the signal if Method is DAQmx_Val_HighFreq2Ctr. Measurement accuracy increases with increased measurement time and with increased signal frequency. If you measure a high-frequency signal for too long, however, the count register could roll over, which results in an incorrect measurement.

You can get/set/reset this property using:





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