Some are. Others are hall effect sensors which need 5v and output a voltage.
I've had some customers hook up the output of these to a voltmeter or shunt input with reasonable results. What I've had in the queue is a module set up specifically for these sensors and which reports percent directly. On Thu, Jan 24, 2019, 7:29 AM Chuck McCown <ch...@wbmfg.com wrote: > It it not just a 0-200ohm sensor? > > Sent from my iPhone > > On Jan 23, 2019, at 11:04 PM, Forrest Christian (List Account) < > li...@packetflux.com> wrote: > > Holy cow, it looks like I should get around to finishing up the $59+sensor > ($50ish) add-on module for the sitemonitor system.... > > Didn't realize these were so expensive. > > On Wed, Jan 23, 2019 at 8:48 PM Sean Heskett <af...@zirkel.us> wrote: > >> This is what you are looking for. We have 4 of them and love them. >> >> Generac 7005 Propane Tank (LP) Fuel Level Monitor - WiFi enabled >> https://www.amazon.com/dp/B072KJBLV2/ref=cm_sw_r_cp_api_i_cqtsCbZ22K84X >> >> The only down side is it has to connect to a 2.4ghz SSID with no security >> enabled. So we engineered the WiFi AP to only accept that MAC address and >> only hand out 1 ip to that device and then fire walled everything so the >> monitor could only talk to their cloud. Basically the device has a battery >> in it and it turns on once a day for a minute and pushes its data to the >> cloud so you can access it on their free AP or website. >> >> -Sean >> >> >> On Wed, Jan 23, 2019 at 8:40 PM Jesse DuPont < >> jesse.dup...@celeritycorp.net> wrote: >> >>> What solutions exist to monitor propane tank levels remotely? I've got >>> an off-grid site with three 100 gallon tanks. The propane guy setup the >>> manifold such that the tanks should drain sequentially, but I'd like to >>> monitoring/chart them remotely. Each tank has a R3D gauge, but not sure >>> what sensor to plug into them. >>> -- >>> >>> *Jesse DuPont* >>> >>> Network Architect >>> email: jesse.dup...@celeritycorp.net >>> Celerity Networks LLC >>> >>> Celerity Broadband LLC >>> Like us! facebook.com/celeritynetworksllc >>> >>> Like us! facebook.com/celeritybroadband >>> >>> >>> -- >>> AF mailing list >>> AF@af.afmug.com >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > > -- > - Forrest > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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