Gas Level Indicator works by placing it on various points on the surface of the bottle horizontally Provides a reliable measurement of the gas level in propane tanks - 9kg or smaller Suitable for all steel and aluminium gas bottles with a diameter of 200 – 350 mm Using ultrasound to provide a reliable level measurement, the Dometic Gas Level Checker can be used on both steel and aluminium propane tanks Dimensions: 113mm(l) x Ø16mm Weight: 9g Lithium Metal Batteries included Colour: Black Pocket-sized gas level indicator for gas bottles Accurate ultrasonic sensor Compact, lightweight design Results in seconds Tested for explosion protection NOTE: If there is gas in the bottle at the point where the measurement is taken, then the Gas Checker GC100 signal lamp lights up in green. At the points where there is no gas, it changes to red
