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Compact air quality monitoring system
for urban air monitoring

The AQS1 is a flexible instrument for monitoring air quality in urban air monitoring networks, that can be configured for a wide range of applications.

The AQS1 works on a Near- Reference level, but with lower costs than other analyzers.

The AQS1 detects Ozone (O3), Nitrogen Dioxide (NO2), Volatile Organic Compounds (VOC), Dust ( PM10, PM2.5) but also other weather and environmental parameters like temperature, humidity, rain, barometric pressure, wind speed and direction, solar radiation and noise.

Gas modules

Ozone (O3), Nitrogen Dioxide (NO2), Volatile Organic Compounds (VOC)

Particulate modules

nephelometer (PM1, PM2.5, PM10 or TSP), Particle Profiler (PM1, PM2.5, PM10 or TSP)

  • standard: WIFI, Ethernet (LAN)
  • optional: Cellular Modem IP HSPA 4G
Particle sampling system
  • sampler: 36 cm heated inlet
  • pump: 12V brushless DC diaphragm
Gas sampliying system
  • sampler: Teflon,stainless steel
  • pump: 12V brushless DC diaphragm
Power requirements
  • 100-260 VAC (standard): 21W / 31W
  • regulated 12VDC (if required): 21W / 30W
IP protection

IP65 GRP cabinet with integrated aluminum solar shield armor


(H x W x D) 483 x 330 x 187 mm (includes solar shield armor & mounting brackets)


< 12,5 Kg

Operating range

from -10°C to 45 °C

Environment & Safety
PID, Nephelometry, OPC, EC, SC
CO, NO2, NOx, TSP, PM10, PM2.5, PM1, VOC