*Note: This product is currently only available in North America*


  • Detect benzene, toluene, ethylbenzene and xylene in ambient air at very low levels
  • Get specific and accurate measurement of each compound
  • Reports every 15 minutes giving improved time resolution over other sampling methods
  • No need to replace carrier gas means reduced operating cost
  • Standardized base system is configurable to different project needs
  • Modular design – purchase only the gas analyzer modules you require – upgrade in the field, anytime.
  • Real-time SMS/email alerts – know when to take action – manage community and regulatory relationships to avoid site disruptions
  • Fully temperature controlled system maximizes the quality of the BTEX measurements and allows for operation through extreme cold and heat
  • Can be used on sites all over the North American continent
  • Integrate additional pollutants e.g. NO2, PM10, PM2.5 (optional)
  • Plug and play environmental sensors (optional)
  • MCERTS certified for PM10 by the UK Environment Agency


  • Industrial fenceline monitoring
  • Community-driven air monitoring
  • Compliance monitoring; consents/license requirements
  • Environmental impact assessments
  • Industrial and occupational hygiene
  • Health, safety and environmental (HSE)
  • Urban air quality studies


*Note: This product is currently only available in North America*

For the first time, a real-time BTEX monitor, able to measure down to 1 part-per-billion levels, in a highly compact monitor and without the need for carrier gas bottles.

AQM BTEX is an all-in-one premium air monitoring solution that combines best in class BTEX sensing technology with near reference particulate and gas measurement available in the rugged AQM hardware and software system.

The BTEX analyzer comes fully integrated into Aeroqual’s AQM air monitoring hardware and software platform. This means BTEX and other air pollutants of concern can be monitored all in one integrated unit.

The BTEX analyzer is a micro gas chromatograph for real-time environmental monitoring of aromatic VOCs. Compact and reliable, it doesn’t need any carrier gas bottle.

The BTEX analyzer combines Micro-Electro-Mechanical-System (MEMS) microfluidics for selective pre-concentration, GC separation, and peak quantification with a miniaturized photo-ionization detector (PID). BTEX in the gas sample is physically separated using a proprietary microcolumn on a chip.

The key breakthrough is the removal of the need for carrier gas cylinders to perform the analytical sequence. This greatly reduces the footprint required and makes set up and relocation easy. New long-lifetime PID lamps allow for maintenance-free operation periods up to 6 months.

Integrated into the AQM platform, the BTEX analyzer can be used together with meteorological sensors and other sensor-based analyzer modules from Aeroqual such as for particulate matter (TSP, PM10, PM2.5, PM1), ozone (O3), nitrogen dioxide (NO2), sulfur dioxide (SO2) etc.

The Real-Time BTEX / Benzene Monitor includes:

  • Weatherproof lockable IP65 enclosure with integrated aluminum solar shields
  • Gas Inlet: Teflon, glass-coated stainless steel tubing, stainless steel fittings
  • Gas Sampling System (brushless DC pump, sampling system)
  • Real-time BTEX analyzer
  • 100-250V AC power supply and 12V DC input
  • Thermal Management System: Danfoss compressor, heater, and TMS controller
  • Embedded PC (Intel Celeron N3350, 1.1GHz, dual core, 4GB RAM, 32GB SSD hard drive), Debian Linux Operating System
  • Communications: WIFI, Ethernet (LAN) Optional Modem: Cellular IP 3G HSPA or 4G LTE
  • Aeroqual Connect instrument operating system
  • Aeroqual Cloud instrument monitoring, management, and technical support via secure cloud servers, accessed via a web browser (IE, Firefox, Chrome, Safari)
  • External Temperature & Humidity Sensor (-40 to 120°C; 0-100% RH)
  • Pole and wall-mount brackets
  • Documentation (Hard Copy: User Guide, Log Book; Soft Copy on a USB stick)
  • Manufacturer’s Standard 12 month Warranty
  • Free unlimited access to Aeroqual’s online training system
  • Inlet Filters

    Air Inlet Filter

  • Novalynx-Silicon-Pyranometer

    Novalynx Silicon Pyranometer

  • AQM Service Pack

    AQM Service Pack

  • Flowmeters


  • Moxa G3111-HSPA Modem

  • Zero Filter & Flow Assembly

    Zero Filter & Flow Assembly

  • Nephelometer Filters

    Dust Monitor Filters

  • AirCal 1000 - Portable Calibrator

    AirCal 1000 – Portable Calibrator

  • Cirrus MK427 Noise Sensor

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  • Gill Ultrasonic Wind Sensor

    Gill Ultrasonic Wind Sensor

  • Met One MSO Weather Sensor

    Met One MSO Weather Sensor

  • Vaisala WXT520 Weather Sensor

    Vaisala WXT536 Weather Sensor

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