and single point optical liquid level switches; carbon dioxide sensors; and zirconium dioxide oxygen sensors for industrial applications. The company also provides factory calibrated optical oxygen sensors that measure ambient oxygen levels; carbon dioxide sensors for the real-time monitoring of concentration levels; OXY-COMM zirconia oxygen analyzer for controlled atmosphere applications, such as refrigerated transportation containers and fire prevention; compact and wall mounted environmental monitoring systems; oxygen transmitters for use in controlled atmospheres, such as perishable goods and fire prevention; and oxygen analyzers with linear output. In addition, it offers OXY-Flex oxygen analyzer for measuring in oxygen closed systems, such as ventilation pipes and boiler exhaust flues; and flange zirconium dioxide oxygen sensors. Further, the company provides technical support services. Its products are used in various applications, such as controlled atmosphere monitoring, leak detection in telecommunication enclosures, boiler combustion efficiency, and on-board inert gas generation systems.