Whether it's a case of professional flue gas analysis or industrial emissions measurement: the testo 350 flue gas analyzer performs a wide variety of measurement and analysis tasks, is impressive thanks to its heavy-duty design for long-term use in harsh environments, and is also suitable for sophisticated data acquisition. The testo 350 consists of a control unit and an analyzer unit. The removable control unit with clear graphic colour display is the control and display unit of the testo 350. The robust analyzer unit contains the gas sensors, the measurement gas and rinsing pumps, the Peltier gas preparation (optional), gas paths, filters, analysis and storage electronics as well as the mains unit and Li-ion rechargeable battery.