Miniature solution for real-time continuous PM1, PM2.5 & PM10 monitoring

PM Cairsens® PM1, PM2.5 & PM10

The last generation of Cairsens® micro-sensors for Particulate Matters (PM) monitoring operates without any influence from moisture in ambient air. They measure PM1, PM2.5 and PM10 concentrations.

The Cairsens® allow for continuous maintenance-free operation during their lifetime, even in highly polluted and humid atmospheres.

Thanks to their robust and miniature design, they are fully compatible with ENVEA’s turnkey AQMS station Cairnet®. They can also be easily embedded into a specific integration process.

PM1, PM2.5 & PM10 micro-sensor
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  • PM10, PM2.5 & PM1 real-time monitoring in the range 0 to 1 000 μg/m3
  • Calibration guaranteed for 1 year
  • No maintenance required during their lifetime
  • Measurement not influenced by air humidity: air flow heated over 60% of HR
  • Ultra-small, with low power consumption
  • Cost-effective solution for high performances
  • Ready to use and easy to integrate
  • Compliant with European directive 2008/50 EC for indicative measurements
PM Cairsens® are manufactured and calibrated in France. Each sensor is delivered with a calibration certificate.
  • Indoor and outdoor air quality monitoring: Smart cities, Road-side & tunnels, parkings, airports, ship terminals…
  • Filter efficiency monitoring
  • Command and control with real time PM management levels: Industries, mines, manufacturing plants, green waste treatment plants and refineries
  • Providing data for air dispersion modeling
  • Help guaranteeing health and safety: mines, industrial sites, construction sites

Application examples:

Technical Specifications
Measured Parameter PM1, PM2.5 & PM10
Measuring Range (3) 0 – 1 000 µg/m3
Particle size detection range ø 0.3 – 10 µm
Certified* Detection Limit (2) < 5 µg/m3
Display resolution 0.01 µg/m3
Linearity (2) R2 > 0.75
Uncertainty between sensors < 5 µg/m3
Accuracy (slope) (2) 0.7 to 1.3
Sample conditioning Controlled airflow, heated air flow over 60% relative humidity
Temperature effect < 0.01 µg/m3/°C
Technology Laser Light Scattering
Operating Relative Humidity 0 to 95 HR % (no-condensing)
Operating Atmospheric Pressure 500 to 1 500 mbar
Metrological performances according to the European Directive 2008/50/EC are
guaranteed for 12 months

(1) Laboratory operating conditions: 20°C ± 2°C / 50% RH ± 10% / 1013 mbar ± 5%
(2) According to our laboratory evaluation: daily averages measurements of PM10 and PM2.5 in comparison with a reference analyzer
(3) Arizona sand equivalent

Storage conditions
Temperature (°C) -20 to 70
Relative Humidity (% HR) 0 to 95 (no-condensing)
Pressure (mbar) 500 to 1500
Technical specifications
Sampling method Dynamic air sampling, with a controlled micro-fan
Power supply 5V DC / 500 mA, USB port of a PC or Power bank type «Always on» (not provided)
Power consumption 250 mA max under 5V DC
I/O communications USB, UART, Modbus RTU-TTL. Modbus RS445 on request (article code A40-0219)
Lifetime duration 24 months
LCD Display Concentration in µg/m3, operating status, memory available …
Control & data treatment Internal microprocessor for data acquisition and treatment, embedded timer
Data Storage (internal) 2 days for 1 min data, 30 days for 15 min data or 120 days for 60 min data
Download data mode – Cairsoft (free download)
e-SAM DAHS system or Customized integration
Cairnet® Mini-stations with data exported in the Caircloud®
Weight 370 g

 

PM Cairsens® are manufactured and calibrated in France. Each sensor is delivered with a calibration certificate.

Compliance to environmental regulations
Electrical safety NF EN 61010-1: 2010
Electromagnetic Compatibility NF EN 61326-1: 2013
Protection Index IP 42 (according to IEC 60529)
European directive 2008/50/EC

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