The LANDTEC BIOGAS 3000 from QED Environmental Systems offers optimal continuous monitoring of the complete gas production process. It can use up to four sample ports to monitor methane, carbon dioxide and oxygen, with optional monitoring of hydrogen sulfide, hydrogen and carbon monoxide levels. Operators can choose up to five gases to monitor. It is calibrated to ISO/IEC 17025 standards and provides a temporary replacement unit for zero downtime when servicing. It offers a built-in liquid level monitoring feature equipped with a dedicated alarm and moisture removal drain, or an automatic drain option that empties the catchpot without manual intervention. 800/810-9908; www.qedenv.com