The Sample Probes of the GAS 222 series feature an advanced modular design, providing an excellent solution for use in various applications from stack testing, continuous emission monitoring (CEM) and vehicle emission testing to LEL warning indication and in process applications such as combustion efficiency monitoring, boiler trim, ethylene plants and petrochemical industry. Sample probes represent a very important interface between the process and the analyzer system, and GAS 222 series provides a highly reliable method of extracting sample gas, while completely preventing ambient gas from contaminating the system and keeping a stable sample dew point, enabling accurate and high quality measuring. Additionally, these cost-effective units help reduce operating costs, while their modular design permits use in a wide range of different applications.