Matthew, do you have a site showing the details of how you have connected up the Maxbotix nd associated devices?
On Monday, April 17, 2023 at 12:50:48 PM UTC-4 matthew wall wrote: > > > On 16 Apr 2023, at 19:38, Tim Tuck <ti...@skybase.net> wrote: > > Just wondering if anyone has network attached water tank level meters ? > > Also wondering if anyone has such things integrated with Weewx ? > > > for many years i have been using maxbotix sensors to measure water tank > levels and tides. > > https://maxbotix.com/ > > the sensors are not 'network attached' - they have serial output, which > you can connect to a computer then read using the weewx-maxbotix driver: > > https://github.com/matthewwall/weewx-maxbotix > > attached screen shot shows output from a maxbotix 7363 and a davis vantage > pro, collected by weewx, stored in influxdb, and presented using grafana. > > dave sprague has been using a radar sensor for a long-term tide > measurement comparision. > > https://edgecollective.io/projects/belfast/ > > the radar sensors cost 8-10 times more than the ultrasonic sensors, with > higher power requirements. the results so far have been pretty close, > although if you are in extreme cold conditions then you should consider the > separate temperature sensor for the ultrasonics so that they can do > additional corrections for the speed of sound in cold air. > > btw, be sure to coat your ultrasonic sensors. we were monitoring water > levels in freshwater tanks, and the (mild) chlorination that was applied to > the water as it was pumped out of a quarry ended up corroding the aluminum > sensor membrane. similarly, we got salt encrustation on the sensors when > measuring tides. a thin silicone coating prevented the corrosion. > > m > > > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/e6467998-4c21-490e-81f7-feb36b671611n%40googlegroups.com.
