We are attempting measure flow rate of a pump from outside of the pump noninvasively. However, when we hook our transducers to the proper J8 pins, LED03 turns red, and we are getting an error in the USS application that there is no signal detected whatsoever. The LED turns green and we begin to get a measurement if we place the transducers in water, which is something we are trying to avoid. Is there a way to set up this board to measure flow rate noninvasively?
The errors listed:
Our ADC capture:
Transducer model we are using:
www.digikey.com/.../US0014_2D00_001-Product-Specification_5F00_2_2D00_2018.pdf:320:240]
Our setup: