Portable Airborne Particle Counter FM-PPC-A100 - Handheld Particle Counter Fison Portable Airborne Particle Counter provides precise air quality monitoring with a sampling volume of 28.3 L/min. It features six particle-size channels and a large LCD for clear real-time data. Automated calibration ensures consistent and accurate performance for laboratory and field use. https://www.fison.com/airborne-particle-counter/fm-ppc-a100