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Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Make your environment a healthier and safer place by measuring, analyzing, and understanding the data of air pollution.
Urban air quality networks, industrial emission monitoring, building automation, and air quality research.
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AQM measures the most common gaseous pollutants nitrogen dioxide (NO 2), sulphur dioxide (SO2), carbon monoxide (CO) and ozone (O3), with near-reference measurement performance. Incorporating temperature, humidity, barometric pressure, algorithms compensate for the impact of ambient conditions on the sensor elements.
With an enclosure made of anodized aluminum and stainless steel, and a protective rating of IP65, the AQM sensors are built to withstand industrial environments.
|Gas||Range||Detection Limit||Field Accuracy|
|NO2||2000 ppb||5 ppb||±25 ppb|
|SO2||2000 ppb||5 ppb||±60 ppb|
|CO||10000 ppb||10 ppb||±200 ppb|
|O3||2000 ppb||5 ppb||±50 ppb|
*90 % confidence interval in comparing with reference instrument, includes T and %RH dependence in
typical field conditions and sensor drift during calibration interval. Electrochemical cell replacement
interval 12–24 months, depending on local conditions.
Meteorological Measurement Performance Specs
Humidity Accuracy: 0 - 90 %RH: ±5 %RH; 90 - 100 %RH: ±8 %RH
Humidity Resolution: 0.1 %RH
Temperature accuracy (at +20°C/68°F): ±0.3 °C (0.17 °F)
Temperature resolution: 0.1 °C / 0.1 °F
Pressure accuracy: ±10 hPa
Pressure resolution: 1 hP
The Orion AQM Plus incorporates all the features of the AQM, PLUS Particulate Matter (PM2.5 and PM10) in the ambient air. Proprietary algorithms that enable ppb measurements at an affordable price using electrochemical sensors.
Particle Measurement Performance Specs
Particle counter channels: PM2.5 and PM10
Particle diameter range: 0.3 - 10 μm (spherical equivalent)
Sampling time: 60 s
Sampling interval: 10 min
Sample flow rate: 0.9 SLM
Measurement range: PM2.5: 0 - 2000 µg/m3 ; PM10: 0 - 5000 µg/m3
Measurement resolution: 0.1 μg/m3
A laser optical sensor is used to detect and measure particulate concentrations up to 100 milligrams per cubic meter. The continuous flow optical sensor is combined with purge air to ensure accurate measurements in adverse environments. The optical sensor is enclosed with matched electronics and sensor display. Built-in calibration function is included. The standard unit is supplied with an internal flow system in a rugged weatherproof housing. Inlet assembly includes a built-in heater to prevent moisture penetration and a size selected inlet to allow particle passage without allowing foreign matter to penetrate. Power for the heater is regulated, and is only used when moisture is detected. Requires serial port.
Range: 0-100 mg/M3
Sensitivity: 0.001 mg/ M3
Accuracy: ± 5% to traceable standard with .6 um PSL
Display: LCD Display provides information on operation including: power, heater power, flow operation, status and concentration.
Flow Rate: 2 liters minute
The Carbon Dioxide (CO2) Sensor uses an infrared light source to measure ppm-level carbon dioxide. The sensor is configured for analog output.
The sensor is installed in a self-aspirating radiation shield to protect it from the effects of solar radiation. The sensor should be installed in a location that represents ambient atmospheric CO2 levels.
Measurement Range: 0 – 1000 ppm CO2
Accuracy: (including repeatability and non-linearity): ±40 ppm CO2 at 77 °F and 29.91 inHg
Output: 0 – 2.5VDC
Operating Temperature: -40°F to +140°F (-40°C to +60°C)
Operating voltage: 12 - 30 VDC
Power consumption: 0.4 W in continuous operation