TSI Incorporated serves a global market by investigating, identifying and solving measurement problems. Whether you periodically certify your clean areas or monitor them, TSI products help simplify your task. Aerotrak™ Portable Particle Counters offer an simple icon driven touch screen interface, making it easy to set up and operate. TSI’s FMS 5 Facility Monitoring Software incorporates Aerotrak™ Remote Particle Counters, environmental sensors and real time alarms whilst enabling FDA 21 CFR part 11 compliance. With headquarters based in the U.S. and field offices throughout Europe and Asia, TSI has established a worldwide presence in the markets we serve.