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.

25 thoughts on “ Wireless Water Level Sensor From PVC Pipe ” lovebes says: February 13, 2015 at 7:52 pm I thought I saw a ultrasound based one for Keurig coffee machines a while back? Report ...

Ageing pipelines in cities often experience pressure fluctuations that can lead to bursts and costly repairs. For ...

As the top sensor goes low (water above level C), the CLR signal is activated and the output of the flipflop is low. This allows Q1 to turn on and activate a triac or relay for the pump.

As one of the world’s leading suppliers, VEGA develops and produces level and pressure sensors for industrial process ...

Reference on Diagram Product Features Function Brand; 1: PTE7300 Full Sensor: Operating pressure range: 0-16 bar to 0-600bar (0-232 psi to 0-5800 psi) Low power consumption ...

In chillers, there are additional pressure sensors used to control the pumps that distribute chilled water. The most critical location is on the suction side of the compressor.

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 ...