A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

In fact, one of the sensors has been in use for two years on the Lower Rhine river. That said, the technology currently only works on rivers that are at least 40 m (131 ft) wide – otherwise ...

Journal Reference: Makan A. Karegar, ... Low-cost sensor records the level of rivers. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2022 / 11 / 221123114228.htm.

Commenters told him that the best fluid level sensor was a hacked blood pressure monitor. He didn’t know that, and we didn’t either, until we watched his video, below.

Ghazipur: The North Eastern Railway has installed a new sensor-equipped water level monitoring system on the Rail-Road Bridge ...

The FR series radar level sensor is designed to monitor the level of liquids and powders. It provides non-contact and stable level monitoring in any environment, regardless of conditions. Additionally ...

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.

In the water level sensor schematic, the common probes connecting the underground tank and the overhead tank to +9V supply are marked ‘C’. The other probe in underground tank, which is slightly above ...