The DUSTTRAK™ II Aerosol Monitor 8532 is a handheld device for real-time measurement of aerosol mass concentrations, including dust, smoke, fumes, and mists. It uses a sheath air system to isolate the aerosol in the optics chamber for improved reliability and low maintenance. The monitor measures concentrations corresponding to PM1, PM2.5, PM10 or Respirable size fractions with a range of 0.001 to 150 mg/m3. The device features manual and programmable data logging functions, single point data logging capability, and is lightweight and portable. The DUSTTRAK II Aerosol Monitor is suitable for industrial/occupational hygiene surveys, indoor air quality investigations, baseline trending and screening, and engineering control evaluations. The package includes TRAKPRO™ Data Analysis Software, hot swappable batteries, a zero filter, AC adapter, impactors, cyclone, operation manual, and a certificate of calibration with carrying case.