Ambient air monitoring involves the measurement of “representative” air in urban, industrial and rural areas. These measurements are used to determine the human exposure to pollutants and can be combined with trace/background monitoring.
The OPSIS System measures multiple gases over an open path, using the DOAS (Differential Optical Absorption Spectrosocopy) technique. It can be configured to measure multiple gases in one system including NO, NO2, SO2, O3, Benzene, Toluene, Xylene, Formaldehyde, NH3 etc.
Ambient Stations by OPSIS
Multi-gas and multi-path system
High data availability
Cost-effective, open-path technology
High-performance monitoring of criteria pollutants
Representative path-integrated data
Gas calibration only once per year
Operates with a minimum of maintenance
Approved by MCERTS, TÜV, U.S. EPA, Chinese EPA, and others
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