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Probably what John said, the trigger level, or your vibration is too high and shaking the sensor... Or you are holding it by hand?

For balancing and speedvue you must likely always need to use a reflective tape or a strong pulse signal from the shaft and set the trigger level

Try this to search for the correct trigger level.

https://www.emerson.com/docume...els-ams-en-39100.pdf

Too much vibration put your sensor on a different surface, it has a very long range you will not have any terribly

RM

Check the RPM using the rpm option from analyze mode, it will show the FFT of the tech pulse, change the plot type it will show you the time waveform of the tech pulse, look at the volt peak level and adjust the trigger accordingly, default trigger is 2 volts and it is correct for photo tech, speed vue works with a different way, and can change the trigger point/location/phase angle if the shaft has more reflection/scratches. I suggest changing the trigger level to 4 volts for the peak vue sensor problem will resolve, or use the photo tech CSI 404 b model for balancing.

RM

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