Item Subject: Text_1 Hi All, If you want to spend a little time and money there is a way to sense the level of propane in the tank. You can use an inductive proximity sensor. They are commercially available for around $50 depending on the type needed--there a only about 500 types available from any given manufacture of these devices. Now for the hard part, you would probably need to tap a hole into your tank since the sensor can not sense through metal very well. There is small chance that if the liquid is as dense as water and the wall of the tank is thin you might be able to get away with sensing through the wall of the tank. The other device needed would be a transformer to step the 12V DC from the battery to 24V DC since most of these device run off 24V DC. If any one is still interest let me know and I will research this a bit more. For me, I prefer looking at the condensation on the tank--the prox. idea seems a bit overboard for the convenience achieved. I would venture a guess this is the system used by the campers that have such gages--no moving parts and about $100 of additional cost if designed into the original equipment Regards, Vince.
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