Longji Grill Pro Magnetic Gas Level Indicator

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Not working

لا بأس به

I needed something to measure the propane level in the fuel tank on a John Deere 4020 LP tractor. The factory gauge went south and I've been unable to find a replacement that is less than $400. This little device works great. After running the tractor for a while, I check the gauge and it will tell me if the propane is down to a level I need to refill the tank. It measures the temperature difference between the liquid and the vapor, so the tank has to be in-use or recently used to allow the liquid to cool due to vaporization. I plan on purchasing several more and "stacking" them to give me a little more warning about fuel level.

I couldn't stick it on my 5 lb tank, wish the seller specified what range of tanks it works with, mine has the weld right in the middle and the gauge is too big so it doesn't stick well.

Does not work

The directions on reading the gauge are inadequate. I find it impossible to read. I get the same colors on an almost empty tank as I get oın a full one. Sorry I wasted my money. This was my second order for this item only because I lost the first one I received before I could use it.