Labmate Portable Airborne Particle Counter is a handheld device with 6 particle size channels (0.3 µm–10.0 µm) and a 0.1 CFM flow rate. Features a built-in thermal printer, date/time display, and supports data in ft³ and m³. It can test Class 100 to 300,000, with test periods from 1 to 10 minutes.