- O3 + NO2 real-time monitoring
- Very high sensitivity to capture low level gas concentrations (down to ppb)
- Accurate measurement data at a fraction of the cost of Reference Analyzers
- No maintenance required during the Cairsens®’s lifetime
- No need for re-calibration during 12 months
- Embedded USB and UART / ModBus communication ports
- Up to 20 days of 1-minute data storage capacity
- Ultra-small, with close to zero power consumption
- Ready to use and easy to integrate
- Measurements meet European directive 2008/50/EC for indicators
Cairsens® are manufactured in France and calibrated in our metrological laboratory using Standard Reference AQMS monitors. Every sensor shipped includes a calibration certificate.
| Technical Specifications |
| Measured Parameter |
O3* + NO2 |
| Article code |
A40-0406 |
| Measuring Range (ppm) |
0 – 0.25 |
| Certified* Detection Limit (ppm) |
0.02 |
| Resolution (ppm) |
0.001 |
| Operating Temperature (°C) |
-20 to 40 |
| Operating Relative Humidity (% HR) |
10 to 90 (non-condensing) |
| Sensor Type |
Electrochemical |
Metrological performances according to the European Directive 2008/50/EC are guaranteed for 12 months
*This Cairsens® measures the combination of {O3 + NO2}. To obtain O3 alone, it is necessary to use two Cairsens® sensors:
Cairsens® O3 + NO2 and Cairsens® NO2.
| Storage conditions |
| Temperature (°C) |
+5 to +20 |
| Relative Humidity (% HR) |
> 15 (non-condensing) |
| Duration of Storage (Max) |
3 months |
Cairsens® are manufactured in France and calibrated in our metrological laboratory using Standard Reference AQMS monitors. Every sensor shipped includes 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 |
