Dust monitoring instruments are essential for measuring airborne contaminants including dust, smoke, mist, fumes, condensates, and fog. TSI Aerosol Monitors deliver accurate real-time, direct-reading results, allowing professionals to assess exposure instantly and take corrective action when needed. This real-time monitoring approach is becoming the industry standard in occupational hygiene, indoor air quality management, and environmental fugitive emission control.


Dust monitoring instruments are essential for measuring airborne contaminants including dust, smoke, mist, fumes, condensates, and fog. TSI Aerosol Monitors deliver accurate real-time, direct-reading results, allowing professionals to assess exposure instantly and take corrective action when needed. This real-time monitoring approach is becoming the industry standard in occupational hygiene, indoor air quality management, and environmental fugitive emission control.

  • Simultaneously measure PM1, PM2.5, PM4, PM10, and 0.8 DPM
  • Audible and visual alarms
  • High-capacity battery
  • Real-time mass concentration measurement and data logging for “in-the-field” data analysis
  • IECEx and ATEX certified (AM520i)
  • Simultaneously measure PM1, PM2.5, PM10, and TSP
  • Lightweight and portable
  • Handheld unit
  • Concentration range 0.001 to 150 mg/m3
  • Measure PM1, PM2.5, PM10, and TSP
  • STEL alarm setpoint
  • Touchscreen interface
  • Concentration range 0.001 to 150 mg/m3
  • Perform in-line gravimetric sampling
  • Measuring range: 0.001 – 25,000 mg/m3
  • 12 hours of continuous measurement
  • Optical calibration reference cell and zero-air cleaning bellows
  • Displays a graph of time history data
  • Universal 12 V power supply and battery charger
  • USB download cable
  • Casella Insight PC software
  • Particulate, gas and photoionization detector (PID) measurement from a single device
  • Temperature, Relative humidity, CO₂, VOC
  • Built-in sampling pump
  • Rotary impactor
  • 90° Light-scattering laser photometer
  • Real-time ultrafine particle counter
  • Concentration range: 0 to 5 × 10⁵ particles/cm³
  • Solves tough IAQ problems
  • Easy to use
  • Data log information
  • Measures PM1, PM2.5, PM10 size fractions and total particle concentration
  • Accommodates up to 6 optional, pre-calibrated gas sensors (e.g., CO, H2S, NO2, NH3, etc.)
  • Real-time temperature and barometric pressure density compensation for VOC and CO₂
  • Simultaneously measures and logs up to 20 IAQ parameters
  • Range of 0.01 to 300 L/min
  • Small, portable, battery-operated
  • Accurate to +/- 2% of reading. Real-time volumetric flow rate readings