www.safetyandhealthmagazine.com/articles/carbon-dioxide-monitor-2

Carbon dioxide monitor

September 1, 2011
The GD-888 Series of infrared carbon dioxide gas analyzers weighs about three pounds and includes an internal sample pump, backlit LCD digital display, adjustable alarms, and rechargeable batteries that allow for portable use. The sensor is applicable for office ventilation systems, hazardous environments, food-related industries, breweries and welding work, among others.

CEA Instruments Inc.