Multigas Open Path Differential Optical Absorption (DOAS) Spectrometry Analyzer

Multigas Open Path Differential Optical Absorption (DOAS) Spectrometry Analyzer

Applications:

• Urban air quality monitoring
• Airport pollution monitoring
• Background pollution measurement
• Fence line monitoring in industrial areas
• Tunnel monitoring
• Plume dispersion studies

Features:

• Simultaneous measurement of multiplr gas compounds
• Average measurement over the optical path length
• Elimination of cross interference of measured components including stray light
• Extension to new compounds without any hardware modification
• Storage of the spectra for possible re-analysis
• Compact design avoiding the use of an optical fiber
• All weather integrated projector and receiver
• In addition to the powerful multi-components
• VisionAIR™ spectra analysis software module

Specifications:

• Monitoring path lenght: 100 to 500m
• Lower detectable limit: ppb level
• Linearity: < 1% Full Scale
• Response time: 3 min

Certifications:

• United States : O3, EPA automatic reference method EQOA-0400-137
• United States : SO2, EPA automatic reference method EQSA-0400-138
• United States : NO2, EPA automatic reference method EQNA-0400-139
• Europe SO2, O3, NO2, BTX : European Reference Laboratory for Air Pollution, ERLAP-JRC-ISPRA
• France : Evaluated by INERIS, MAN-Vta-AR-34C502
• Russia : GOSSTANDART, 9601 

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