Autonomous networks of sensor-based mini-stations

Cairnet®

Cairnet® device is a real-time standalone and networkable air-monitoring station containing up to 6 Cairsens® microsensors and cellular communication within a waterproof enclosure.

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:

  • Very high sensitivity to capture low level gas concentrations (down to ppb)
  • Measurement of environmental parameters: temperature, relative humidity and pressure.
  • Optional: Ultrasonic anemometer to measure wind direction and speed. Autonomous thanks to its integrated solar panel and battery
  • Modular, easy to use, easy to move: no cables or complicated installation, just set up and move to different locations on your site as needed
  • Cairnet® requires only annual maintenance, when sensors should be renewed with new ones
  • Plug & Play Network: automatic pairing (Cairsens® / Cairnet® / Caircloud®)
  • Possibility to realize hybrid AQMS networks (reference stations & mini-stations)
  • Ability to change the set of pollutants being monitored at any time
  • Operating cost savings: process adjustment & Improvement of local communication (neighbors & authorities)
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.
    Every Cairnet measurement point consists of:

  • 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
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
O3 + NO2 0-250 20 1 A40-0406
NO2 0-250 20 1 A40-0405
CO 0-20,000 50 1 A40-0404
SO2 0-1,000 50 1 A40-0407
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 VDC / 2.5 A or battery + SP
Battery included 3.7V-22Ah, Li-Ion
Solar Panels Kit (option) 27 Watts (with 2 panels). 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 3G-, 4G LTE (SIM not included)
Locally data storage Internal Cairsens memory. Data buffering for back up if communication is lost
Mounting included Included for pole, tripod, mast, wall, etc. (⌀50 mm max)
Dimensions of the Cairnet® housing with mounting kit & antenna 300 x 215 x 257 mm (L x H x W)
Dimensions of the solar Panels with its mounting kit 800 x 410 x 100 mm (L x H x W)
Weight of the Cairnet® housing 4 Kg
Weight of the Solar Panels kit 4.9 Kg
Environmental using conditions -20°C to +50°C / HR 10% to 90%
Anemometer (option) Please check product page

Cellular communication characteristics:

  • Technology and frequency bands: LTE (1800, 2100, 2600 MHz), WCDMA (800,1700, 2100 MHz), GPRS/Edge (850 MHz, 900 MHz, 1800 MHz, 1900 MHz)
  • Download up to 100 Mbps, Upload up to 50 Mbps
  • Regulatory compliance: R&TTE directive 1999/5/EC Japan JRF/JPA – FCC – IC

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