He decided it was time to build his own solution to this problem. What he ended up with was a water level sensor made from PVC pipe and a few other components. The physical assembly is pretty simple.

The wireless measurement system is simple ... The resonant frequency of the sensor varies according to the level of the fluid in which it is immersed. At each harmonic, the sensor is electrically ...

LAKE FOREST, Calif.--(BUSINESS WIRE)--Frontline Sensors & Systems announced today the availability of the wireless LD575 RF Level Mate, a standalone system for gauging water levels remotely.