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CairnetAutonomous Networks of Sensor-Based Mini-Stations

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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.

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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

  • 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
  • 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.

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

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)
  • Regulatory compliance: R&TTE directive 1999/5/EC Japan JRF/JPA – FCC – IC