Time Delay
The algorithm finds the first time that the waveform from the channel specified by the channel parameter crosses its mid-reference level. Next, the algorithm finds the first two times that the waveform from the channel Measurement Other Channel crosses its mid-reference level. The time delay is the time from rising edge to rising edge.
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Note If you want to measure from falling edge to falling edge, you can invert the data from both channels by adding a processing step and using the array measurement gain with a value of –1. With this method, you can also measure from rising edge to falling edge or from falling edge to rising edge by inverting a signal on one of the two channels. |
The mid-reference level is stored on a per channel basis, and mid-reference levels do not need to be the same. All reference levels use a digital hysteresis.
Units
Seconds