The Airspace AI-1201 monitor detects both CO and flammable gases (calibrated for methane) with no calibration necessary and a full 5 year warranty. The calibration to methane was chosen because it can be a “silent” gas you can’t see or smell in its pure form. You can count on the Airspace monitor to give you an accurate reading for methane gases you might otherwise not know are there. Like other LEL sensors, it will also “see” most of the other hydrocarbon gases – such as gasoline, propane, natural gas, hydrogen, acetylene, etc. It won’t give an accurate ppm reading for those other gases because the calibration is to methane, but it will be very useful since any ppm reading indicates a safety risk. Finally, a CO and flammable gas monitor you can afford. For more information visit http://airspaceinc.com/product/ai-1201-colel-monitor-with-led-display/
