Designed to monitor ambient sulfur dioxide (SO2) near industrial processes, in confined spaces, or any other area where SO2 may be present.

For simultaneous monitoring of up to four gases in ambient air including O2, CO2, NO, NO2, CO, temperature, and % RH. Single gas versions are also available for H2S, SO2, Cl2, & NH3.

NOTE: This is not an analyzer for measuring process gases or performing environmental ambient air quality studies. It is suitable only for monitoring ambient breathable air for personnel breathing safety.