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Autonomous networks of sensor-based mini-stations

Cairnet®

Cairnet^® device is a real-time standalone and networkable air-monitoring station including up to six Cairsens^® microsensors. It is powered by solar panels and offers cellular communication.

Thanks to its integrated manifold allowing a dynamic sampling, the measures are accurate and reliable. Electronic compounds are sealed & protected from moisture and corrosive ambient air.
Compact, easily deployable and autonomous thanks to its solar panels and battery, Cairnet^® enables you to cost-effectively monitor dust and gas and gives a complete picture of the environmental impact of your operations.
It offers unprecedented flexibility in producing accurate and dynamic air quality measurements across a broad range of industries and applications.

“Real time continuous measurement and monitoring of up to 6 gaseous and particulate pollutants simultaneously, among: H₂S/CH₄S, NH₃, nmVOC, O₃₊NO₂, NO₂, CO, SO₂, PM10, PM2.5 & PM1”

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Odor monitoring: WWTP, recycling, pulp and paper manufacturing, sewerage treatment facilities, refineries
Indoor and outdoor air quality monitoring: smart cities, road-side & tunnels, schools, airports, ship terminals…

Process leak detection and monitoring of fugitive emissions: quarries, storage facilities, mines, manufacturing plants
Forecasting of industrial fence line emissions
Environmental impact assessments

Health and safety: mines, industrial sites, construction
Mapping and modelling pollution sources

Application examples:

Hanoi (Vietnam): Cairsens® PM micro-sensors help increase air quality monitoring coverage.

France: Monitoring of H2S concentrations in ambient air at a green algae treatment site

Measurement and mathematical modelling of odor gases in a collagen and gelatine plant

Monitoring odor dispersion at the world’s largest WWTP thanks to Cairnet®

Use of drone to measure odor gases in a refinery plant

Air pollution monitoring for mines: a solution for cost effective measurements

Air pollution monitoring: a solution for cost effective measurements

Construction sites pollution monitoring

President Macron inaugurates the 24 Cairnet sensor network to measure sargassum algae emanations

Beaching of sargassum in Guadeloupe a network of Cairnet micro-sensors maps out the H₂S and NH₃ emissions

Measurement of environmental parameters: temperature, relative humidity and pressure
Plug & Play Network: automatic pairing (Cairsens^® / Cairnet^® / Caircloud^®)
Dynamic sampling and improved protection against moist and/or corrosive environments
Optional: Ultrasonic anemometer to measure wind direction and speed. Autonomous
thanks to its integrated solar panel and battery

Automated data saving (micro SD card) and push : no consequence in case of lost
communication service
Communication frequency and measured data volume adapted automatically to the
autonomy of the station
Very high sensitivity to capture low level gas and particulate concentrations
Modular, easy to use and move on-site: no cables

Cairnet^® requires only annual maintenance: when sensors should be renewed
Operating cost savings: process adjustment & Improvement of local communication
(neighbors & authorities)
Possibility to set up hybrid AQMS networks (reference stations & mini-stations)

Independent reviewers, including the European JRC (Joint Research Council) and the US-EPA, have determined the accuracy, linearity, limits of detection and precision of Cairsens^® as very good when compared with reference devices. Further studies with NASA have shown very good agreement with reference measurements.

Solar panel and its battery
Wireless communication module
Weather protection enclosure including up to 6 Cairsens miniature sensors, each measuring one or two pollutants. The sensors are to be selected from the list, function of your specific requirements.
Optional: ultrasonic anemometer. If this option is selected, it replaces a Cairsens^® sensor

Measurable parameters
Pollutant	Range (ppb)	Certified detection limit (ppb)*	Resolution (ppb)	Order code
NO₂	0-250	20	1	A40-0405
O₃ / NO₂	0-250	20	1	A40-0406
SO₂	0-1,000	50	1	A40-0407
CO	0-20,000	50	1	A40-0404
H₂ S / CH₄S	0-1,000 0-20,000 0-200,000	10 30 200	1	A40-0401 A40-0402 A40-0403
NH₃	0-25,000	500	1	A40-0408
nmVOC	0-16,000 0-2,000	500 200	1	A40-0409 A40-0410
PM10/PM2.5/PM1	0-1,000 µg/m³	<5 µg/m³	0.01 µg/m³	A40-0414

*They are delivered with a calibration certificate.

Technical specifications

Power supply

8 to 30 V DC / 2.5 A or battery (included)

Battery included

3.7 V – 22 Ah, Li-Ion rechargeable on 18VDC / 2A or via solar pannels (option)

Solar Panels Kit (option)

27 Watts. Mounting bracket included

Control & Data Treatment Board

Internal microprocessor for data acquisition, power and communication managment etc.
Embedded Real-Time-Clock (auto-adjusted at every communication)

Wireless communication

Cellular technology LTE – 3G / 4G or more (SIM card optional for European countries, not
provided for other countries)
Regulatory compliance: R&TTE directive 1999/5/EC, Japan JRF/JPA – FCC – IC

Autonomous networks of sensor-based mini-stations

Cairnet®

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Сопутствующие товары

Cairsens® NH₃

Cairsens® NH₃

AirSafe 2

AirSafe 2

Cairsens® nmVOC

Cairsens® nmVOC

AirSafe PM

AirSafe PM

Cairsens® CO

Cairsens® CO

Cairsens® H₂S / CH₄S

Cairsens® H₂S / CH₄S

Cairsens® SO₂

Cairsens® SO₂

PM Cairsens® PM1, PM2.5 & PM10

PM Cairsens® PM1, PM2.5 & PM10

Cairsens® NO₂

Cairsens® NO₂

Cairsens® O₃ + NO₂

Cairsens® O₃ + NO₂

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