Once it was set up it was easy to use. However it needs improvement on how it goes in the tank. The company recommends using your hand ( which is not transparent and blocks light)
The second thing that made it finicky is the cosine corrector (a lens) that makes even a slight tilt drasticly affect readings.
We are working on a way to mount the sensor level on a transparent rod to fix both these issues. Sorry for the screenshot pics, had to use them from seneye web page to explain.