ENVEA Cairpol (ex Environnement S.A)

Odour measurement on industrial sites like waste water treatment plants (WWTP), landfill, compost plant... - Monitoring and Testing

CairNet is a simple and efficient way to monitor processes and plant surroundings via a wireless communicating network and autonomous (solar panel and battery). CairNet surveys fugitive emissions of toxic gases or odourous gases around waste water treatment plants (WWTP), allowing you to react quickly to gas leaks. CairNet allows the wireless survey of hundreds of measurement points within a 200m radius of the wireless receiver for a much efficient installation cost. Cairpol systems can be used for fugitive emissions and odour measurement on industrial sites like waste water treatment plants (WWTP), landfill, compost plant, along a street or motorway, or in any sensitive area. Read more https://www.environmental-expert.com/products/cairpol-cairnet-autonomous-real-time-pollution-monitoring-network-274828


  • Ozone (O3) / Nitrogen dioxide (NO2): 0-250 ppb
  • Nitric Oxide (NO): 0-250 ppb
  • Carbon Monoxide (CO): 0-20 ppm
  • Hydrogen Sulphide (H2S): 0-1000 ppb / 0-20 ppm / 0-200 ppm
  • Methyl Mercaptans (CH4S):0-1000 ppb / 0-20 ppm / 0-200 ppm
  • Ammonia (NH3): 0-25 ppm
  • Sulphur Dioxide (SO2): 0-1000 ppb
  • Formaldehyde (CH2O): 0-1000 ppb
  • Organic solvents: 0-1000 ppb
  • Non Methane VOCs (nM VOC): 0-16 ppm

While emissions can be measured directly at the source (in the stack, exhaust, etc.), ambient air measurement all around the sites provides a better accuracy and anticipate pollution episodes. This is why Cairpol developed around its Cairsens sensors a concept of smart and autonomous stations: Cairnet. Without any maintenance nor calibration, Cairnet is a completely autonomous system energy-wised, with user friendly and efficient interface, accessible from any internet-connected device.