Articles in this category Gas Level Bluetooth Ultrasonic Gas Level Sensor Instructions & tricks of the trade. Most FAQ's on the GAS IT Bluetooth products : On the app, the Bluetooth Symbol is showing you the signal strength from the Bluetooth sensor t GAS IT Bluetooth display unit instructions. CHANGING BOTTLE / BULK TANK SIZE ON GAS IT PROGRAMMABLE MONITOR The 2nd generation GAS IT stand alone monitor is programmable allowing you t Replacing the battery on your GAS IT Bluetooth sensor. ( XL and standard type sensor ) You will need to normally remove the battery in your sensor for 2 reasons. 1) To reset the unit if it has become corrupt or confused by too many sync button presses or you've been moving it around w... How accurately is my Mechanical gas level indicator on my gas bottle going to be? One of the common questions we receive is how accurate will the gas level indicator be on my GAS IT bottle and what amount of gas is shown on the manual display. My newly delivered gas bottle mechanical level indicator isn't reading on my first fill up with gas. My Bluetooth sensor is reading too high or too low - Have I under or overfilled or is it reading the valves in the bottle? If you find the readings of the Bluetooth sensor on some bottles are spurious or your seeing high or even low readings then it could be because of two reasons. Firstly the bottle could have been over...