Cairpol Air Quality Monitoring Systems

SKU: Cairpol

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Cairpol is a collective group of industrial gas monitoring and mapping products which consists of 4 products called CairTub, CairClip, CairNet & CairCloud. 

Cairpol is primarily used in boundary monitoring at wastewater treatment plants. Toxic gas is continuously recorded for reporting purposes 

Product Description


Cairpol is a collective group of industrial gas monitoring and mapping products which consists of 4 products called CairTub, CairClip, CairNet & CairMap. The core product of Cairpol is the Cairsens sensor. Several integrated solutions ar built around it, in order to address the various needs of air quality monitoring.

With sensitivity levels down to ppb (parts per billion) which is better than current gas sensors on the market and providing real-time measurement data at a fraction of the cost of reference method analysers, Cairpol systems can be deployed quickly for fixed and portable gas measurement applications.

The highly innovative technology employed and patented by Cairpol provides real-time, cost effective and a practical approach for the wastewater industry in applications such as industrial olfactory pollution / odour monitoring and personal exposure monitoring.

Cairsens delivers a highly reliable and accurate measurement (comparable to reference analysers, with a +/-30% accuracy as stated by the European directive 2008/50/EC). A Cairsens sensor can measure the following pollutants:

  • Nitrogen Dioxide – NO2
  • Ammonia – NH3
  • Sulfur Dioxide – SO2
  • Carbon Monoxide – CO
  • Hydrogen Sulfide & Mercaptans – H2S/CH4S
  • Ozone & Nitrogen Dioxide – O3/NO2
  • Formaldehyde – CH2O/Organic solvents
  • Non-methane Volatile Organic Compounds – nm VOC
  • Particulate matter – PM


The CairTub allows the easy deployment of autonomous measurement points virtually anywhere. The system can be used in harsh weather conditions. It is also the ideal tool for low cost studies for the optimisation and setting-up of fixed air quality monitoring stations.

With an autonomy of 21 days, these measurement systems consist of a stainless weather protection case for exterior use even in bad weather conditions and the micro-sensor CairSens, adapted to the low concentration measurement of pollutants to be measured (O3/NO2, H2S and Sulphur compounds, NH3) or other compounds of specific interest.

Initially designed for oxidising (O3 / NO2) monitoring to warn asthmatics of real-time pollution levels, Cairpol sensor range has been developed further to cover industrial applications including the measurement of sulphur compounds and H2S (typical olfactive nuisances from waste water treatment facilities) and ammonia (characteristic odour from decomposition processes).


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

Compact, easily deployable and autonomous thanks to its solar panels, Cairnet® enables you to cost-effectively monitor dust and gas and gives a complete picture of the environmental impact of your operations.

Key Benefits:

  • Real-time monitoring and alerts of the most common types of pollutants: H2S / CH4S, NH3, nmVOC, O3 / NO2, NO2, CO, SO2, PM10 & PM2.5 particulates
  • Very high sensitivity to capture low level gas concentrations (down to ppb)
  • Easy to use, easy to move: no cables or complicated installation, just set up and move to different locations on your site as needed
  • Embedded measurement of temperature, relative humidity and pressure


  • Leak detection and monitoring of fugitive emissions: quarries, storage facilities, mines, manufacturing plants
  • Odor monitoring: WWTP, recycling, pulp and paper manufacturing, sewerage treatment facilities, refineries
  • Forecasting of industrial fence line emissions


Associated with the Caircloud web interface, the data is easily accessible: displayed on a map, on a configured report automatically sent by mail, on Internet or a single computer.

Cairnet solution is the most advanced way of using the strengths of our sensors: you can real-time monitor – with great realibility and accuracy – any pollutant at low levels of concentration.



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