Continuous indoor and outdoor air quality monitoring
Stationary and mobile AQMS laboratories

Industrial fence-line monitoring
Continuous emissions monitoring (CEM) by dilution
Laboratory & field studies on SO₂/ H₂S / TRS effects…

Background (urban or suburban) Rural, Traffic, Kerbside measurement campaigns and monitoring studies

Application examples:

A brand-new Air Quality Monitoring Network for the northern part of Cyprus

Winter Olympics – ENVEA contributes to mobile monitoring of pollution sources

ENVEA partner of Atmo Aura (French network) for air quality monitoring

La Frenchfab met ENVEA en avant à l'Expo 2020 Dubai

Air quality measurement campaigns thanks to Trailbox

Inauguration: World’s Premiere Solar Air Quality Monitoring Station

Air Quality Monitoring: ENVEA Lands Key Order in Saudi Arabia

Morocco: ENVEA provides AQMS stations in support of National Air Program

Russia: ENVEA equips air quality monitoring stations as part of “Clean Air” program

Solar powered AQMS stations – a new era for air quality monitoring

Hanoi’s 11th air quality monitoring station installed at French Embassy

India: ENVEA selected for expanding air quality monitoring network in Maharashtra state

Superior metrological performances for SO₂ measurements in ranges 0-10 ppm or 0-1 ppm
Innovative design of the optical module for excellent sensitivity and signal stability
Real-time calibration graph, animated synoptic, auto-diagnostic, control and maintenance data screens can be displayed while the instrument is operating

Embedded Communication Protocol for XR^® Software with automatic recognition and configuration
Able to withstand temperatures up to 45-50 °C without air conditioning
Special architecture means that no additional pump is necessary in case of permeation bench (in option)

Automatic recognition of plugged electronic boards or optional devices: plug & play principle
Smart, connected instrument with embedded web server for the easiest, full remote control and operation of the analyzer from any PC, tablet or smartphone (configuration, calibration, test, diagnostic parameters…)
Integrated web-server with full remote emulation of the analyzer through the ENVEA Connect free app

Technical specifications
Measured parameter	SO₂
Technology	UV Fluorescence
US-EPA Approval / QAL 1 Certification	YES
Measurement ranges	0-1 ppm or 0-10 ppm user-defined
Measurement units	ppb, ppm, µg/m³ user-defined
Lower Detectable Limit (2σ)	< 0.4 ppb
Noise (σ)	< 0.2 ppb
Zero drift	< 1 ppb / 24h
Span drift	< 0.5% / 7 days
Linearity	± 1%
Sample flow rate	20L/h
Sample pump	internal
Temperature range	0°C to +40°C
Data storage	1 year
Included I/O	1LAN/3USB/WIFI/2DRY
Weight (Kg)	9,8
Dimensions mm (LxWxH)	483 x 545 x 133
Chassis	19″ Rack, 3U
Power supply	115 V, 60 Hz – 230 V, 50 Hz 24 V optional
Pressure and temperature compensation	YES

Analyzer without screen for reduced environmental impact
Additional parameters: SO_2,H₂S, CH₂SH, COS, CS₂, (CH₂)₂S…
24 V Power supply PLUS extended temperature range 0-50°C
Built-in permeation bench with SO2 tube (additional pump not required)
Internal converter for H2S monitoring (range 0-1000 ppb)
CTRS External module, to be used in combination with the AF22e SO2 analyzer for the continuous measurement of TRS compounds or cyclic measurement SO2/TRS

2008/50/EC, EN 14212, EN 15267, 40 CFR PART 53 SUB B and SUB C
QAL 1 certified by the TÜV to N° 0000051690
U.S. EPA approved as compliant with EQSA-0802-149
ENVEA monitoring solutions are European QAL 1 certified and in compliance with the latest international regulations & standards.
They are also approved and certified by various laboratories and organizations around the world such as: US EPA, TÜV, GOST, CEN, JQA, CNEMC, JMOE, KTL, CNSA, LCSQA…

AF22e Datasheet

Ficha técnica AF22e (Versión española)

Brochure e-Series air pollution monitors

AQMS Catalogue

Solar AQMS

Datasheet CTRS module for AF22e

e-Series Sulfur dioxides Analyzer SO₂

AF22e

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