The Tox-Box Carbon Dioxide Analyzer utilizes extremely reliable Infrared sensor technology specifically tuned and optimized for CO2 measurements. Several detection ranges are available depending on application requirements. The Tox-Box can be used for continuous on-line analysis of Carbon Dioxide in natural gas streams as well as ambient environmental monitoring. The Tox-Box is powered by an on-board, rechargeable battery for reliable operation and performance. A continuous operation adapter is available where external AC power is available. The Tox-Box is designed field-rugged with exceptional protection from environmental elements.