Air-Aide Model AA-3500 Airborne Particulate Monitor provides accurate and instantaneous display of concentration readings on lung damaging particulates and aerosols. AA-3500 is a portable handheld survey tool for measuring lung damaging particulate matter. The unique sensor design has applications in indoor air quality (IAQ), HVAC, environmental and industrial hygiene. Results are immediately displayed and stored in memory. The supplied PC software allows for graphical and statistical representation of the total dust generating process, eliminating the need for repetitive and costly filter gravimetric laboratory analysis.