@HomeJCL: Just put it to the lowest place of the tank/pipe. Water/hydrostatic pressure is equal to water height so barometer should be useful (sure, only for atmospheric pressure tanks). It should be easy to convert pressure to water height. @Domosapiens: You can measure up to 100m water level in na...

Hi all, Is there support for sensor MS5540-CM planned? It is quite cheap waterproof pressure sensor. https://www.ebay.com/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=MS5540-CM&_sacat=0 It seems it might be good for projects where you need to monitor the amount of water or other fluid (h...