AQ Guard Smart 1200

Air quality analyzer for monitoring fine particulate matter and pollutant gases (PM1, PM2.5, PM4, PM10, TSP, SO2, NO2, O3, CO, TVOC, CO2) under demanding environmental conditions incl. GPS

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AQ Guard Smart 1200

Air quality analyzer for monitoring fine particulate matter and pollutant gases (PM1, PM2.5, PM4, PM10, TSP, SO2, NO2, O3, CO, TVOC, CO2) under demanding environmental conditions incl. GPS

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Description

AQ Guard Smart is a compact and cloud-ready measuring instrument for the determination of ambient air quality. In addition to the measuring principle of optical scattered light measurement of single particles based on the technology of the EN 16450-certified Fidas® 200 for fine dust measurement, it uses additional gas sensors for measuring the pollutant gases NO2, SO2, O3, CO, TVOC and CO2 are integrated, which can provide information about the particle origin .In addition the system is equipped with a GPS-sensor, reporting the location together with the named parameters. The system is designed for the requirements of outdoor air measurement in the smart city environment to improve granularity while maintaining high comparability to official measurements, for environmental monitoring and health protection. The simultaneous measurement of pollutant gases predestines the device for measurement in environmentally sensitive areas, especially where measurements of pollutant gases are already common or required by law.

The AQ Guard Smart received MCERTS certification as an Indicative Ambient Particulate Monitor on 6/26/2022.

Thus, the AQ Guard Smart supports model calculations of the current fine dust pollution and forecasts, which will require stricter limit values in the future and thus the necessary lower uncertainties for local measurements. Seasonal and cyclical particulate matter forecasts can be carried out in a more differentiated manner and with higher accuracy. This enables timely planning of measures to prevent particulate matter pollution and protect health, differentiated implementation of measures to protect the population, and implementation of abatement strategies to reduce pollution, e.g., through predictive traffic control.

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Fig. 1: AQ Guard Smart in use on the volcanic island of La Palma

For a better understanding of the fine dust input and its cause, the device is optionally available with a corresponding weather station, which provides supplementary meteorological information. Sensors that measure temperature, humidity and pressure are integrated as standard.

AQ_Guard_Smart_Tripod2.jpg

Fig. 2: AQ Guard Smart on a tripod

The AQ Guard Smart is the most modern, continuous air quality measurement system available, which also offers manufacturers and users of lower-resolution sensors a comparison option and thus a plausibility check before the measured values are made available for further processing in formation and dispersion studies.

The cloud application MyAtmosphere created for this purpose enables both private and governmental operators to retrieve current measured values directly, to compare them with other devices without delay and further processing, or to integrate them into their own systems/environments via an optional programming interface (API). It speaks for itself that the usual protocols such as ASCII, MODBUS via TCP or UDP are also integrated.

Benefits

  • Technology based on the certified Fidas® 200 series (EN 16450 and MCERTS)
  • Simultaneous measurement of PM1, PM2.5, PM4, PM10, Cn with high temporal resolution
  • Additional SO2, CO, NO2, O3,TVOC, CO2
  • Easy and fast installation
  • Data visualization via cloud "MyAtmosphere"
  • Communication via GPRS/3G/4G/Ethernet/Wi-Fi, optional: LoRaWAN
  • GPS integrated
  • Extendable with weather station / LoRa / solar protection

Datasheet

Measuring principle Optical light scattering of single particles
Reported data PM1, PM2,5, PM4, PM10, TSP, CN, particle size distribution, ambient pressure, ambient temperature, rel. ambient humidity, SO2, CO, NO2, O3, TVOC, CO2
Measurement range (number CN) 0 – 20,000 particles/cm³
Size channels 64 (32/decade)
Measurement range (size) 0.175 – 20 µm
Measurement range (mass) 0 – 100 mg/m3 (depending on the composition of the aerosol)
Measurement uncertainty < 15 % for PM2.5, < 20 % for PM10 (expanded measurement uncertainty according to EN 16450, corrected – MCERTS)
Time resolution 1 min, moving average 1 min
Light source Long term stable LED
Power consumption 1.2 A in standard operation, 1.7 A with additional heating
Weight Approx. 6 kg
Response time < 3 s (gas sensor)
Installation conditions -20 – +50 °C
Interfaces USB, Ethernet (LAN), Wi-Fi, 3G/4G via Modem, GPS, optional: LoRaWAN
Protocols ASCII, MODBUS, UDP
Power supply 12 V, supplied power supply
Special features Heated inlet, Accessories: Mast / tripod mount, optional: weather station, sunshade, LoRa modem
Dimensions 530 • 270 • 208 mm (H • W • D)
Resolution 0.01 ppm (gas sensor)
Data management Cloud connection to MyAtmosphere (separate registration necessary; cloud license fees may apply or SIM card required)
Repeatability < 2% (gas sensor)
Long-term drift < 1% / month (gas sensor)

Applications

  • Urban air quality monitoring
  • Smart city projects
  • Open pit mining and landfills
  • Formation and dispersion studies
  • Construction sites
  • Immission monitoring of industrial plants
  • Measurement of dust emissions from road and rail traffic as well as ports
  • Risk areas (natural and anthropogenic)

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