SETNAG

Features
No need for any reference gas: thanks to the micropoas™
maximum temperature of the gases: depends on the version, up to 1300°c continously
analysis near the stack on moist gases
no hot point and sensitive part in the stack
natural circulation of the gases
limited maintenance and servicing owing to the absence of electromechanical system. 
tubes very easy to clean (fast dismantling or back flushing)principle of measurement