Magnetic Gas Level Indicator

1. The gas level indicator must be placed on a clean area on the lower half of the cylinder (magnetically)
 
2. Open the gas valve of the bottle and wait 10 minutes before reading your display
 
3. In winter the bar is active on the left side and in the summer the bar is active on the right side
 
Temperature range is: -10 degrees to 120 degrees Products can have different colours, blue, green or brown - when green is displayed, the temperature is normal