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Hi Rene! Our MAGGAUGE is based on temperature variance between liquid propane in the tank and the vapor line. This Removable Accu-Level Propane Tank Gauge utilizes a very special yellow ink. When slightly heated, this ink will change color from yellow to orange. Upon cooling, it will change back to yellow. There is nothing that gets used up or wears out. Attach this propane tank gauge on the side of your 20lb. tank. Magnetic and movable from tank to tank. Fits all R.V. and B.B.Q. tanks. Our ADPTGAUGE is based on a magnet in the gauge, and a metal capsule in a dip tube. As the gas level goes down, the metal capsule goes down and is changes the guage reading reading. The most accurate is the BTGAUGE, which use a sonar ping to record and report back to your phone the % left in your tank.
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How does this work?
Hi Rene! Our MAGGAUGE is based on temperature variance between liquid propane in the tank and the vapor line. This Removable Accu-Level Propane Tank Gauge utilizes a very special yellow ink. When slightly heated, this ink will change color from yellow to orange. Upon cooling, it will change back to yellow. There is nothing that gets used up or wears out. Attach this propane tank gauge on the side of your 20lb. tank. Magnetic and movable from tank to tank. Fits all R.V. and B.B.Q. tanks. Our ADPTGAUGE is based on a magnet in the gauge, and a metal capsule in a dip tube. As the gas level goes down, the metal capsule goes down and is changes the guage reading reading. The most accurate is the BTGAUGE, which use a sonar ping to record and report back to your phone the % left in your tank.
Will it work on a 100 lb propane tank and a 40 lb tank? If so I need to get two of them 3 one for my grill tank.
Hi Linda. This will work with 20, 30, 40, and 60. I hope that helps.
Does the magnetic gas level indicator work in cold weather?
Hi Payton! In the summer, the bar on the right will be active. In the winter, the bar on the left will be active. Have a great day!