Trusted for a century, TSI Inc. is excited to celebr...
TSI introduces a new range of AeroTrak+ Remote Airbo...
TSI’s SidePak AM520i Personal Aerosol Monitor is the...
TSI researchers and engineers hold more than 50 patents. Many TSI products are the first, the only, and the best of their kind. Our staff and products are involved in current global issues, such as diesel engine exhaust reduction, biohazard protection, homeland security, indoor and outdoor air quality, and worker safety, and energy efficiency. Our instruments provide data for research that has long-term implications for humankind and the world around us.
Advanced Aerosol Neutralizer Model 3088 | U.S. Patent 7,796,727
AeroTrak® Cleanroom Condensation Particle Counter Model 9001 | U.S. Patents 6,712,881. Additional patents pending.
AeroTrak Nanoparticle Aerosol Monitor Model 9000 | U.S. Patents 6,544,484 and 7,812,306
BioTrak® Real-Time Viable Particle Counter Model 9510-BD | U.S. Patents 6,167,107 and 7,261,007
ChemLite™ Laser Metals Analyzer | U.S. Patent 9,506,869
DustTrak™ Aerosol Monitor Model DRX | U.S. Patents 8,047,055 and 7,932,490
Engine Exhaust Particle Sizer™ Spectrometer Model 3090 | U.S. Patent Number 7,230,431
Fast Mobility Particle Sizer™ Spectrometer Model 3091 | U.S. Patent Number 7,230,431
Global Sizing Velocimetry System | U.S. Patent 7,362,421
Mask Integrity Tester Model 8120 | U.S. Patents 8,312,761 and 8,621,914. Additional patents pending.
Micro PIV | U.S. Patent 6,653,651
Moudi II Impactors Models 120/122/125 | U.S. Patent 6,431,014
Nano Differential Mobility Analyzer Model 3085A | U.S. Patent Number 6,230,572
Nanoparticle Surface Area Monitor Model 3550 | U.S. Patents 6,544,484 and 7,812,306
PSMM 1600 Particle sampling and measurement in the ambient air | U.S. Patent 9,541,488
Real-Time Fiber Monitor Model 7400, apparatus for high-accuracy fiber counting in air | U.S. Patents 7,830,510
Ultraviolet Aerodynamic Particle Sizer® Spectrometer Model 3314 | U.S. Patent 5,999,250
V3V™ Volumetric 3-Component Velocimetry System | U.S. Patents 6,278,847 and 7,006,132
Water-Based Condensation Particle Counters Models 1110/1120 | U.S. Patents 8,711,338 and 8,465,791
China Ventilation Technology Management Center (CVTMC) Innovative Product Award, 2017
OH&S New Product of the Year (2009, 2010, 2017)
Technology Improvement Award from the Shanghai Indoor Contamination Control Industry Association, 2012
Manufacturer’s Alliance Association’s Manufacturer of the Year, 2012
RSES Journal’s 2009 Readers’ Choice Award
R&D Magazine’s R&D 100 Award (1992, 2008)
Industriepreis 2013 Optical Technologies Award
ASABE AE50 Outstanding Innovations in Product or Systems Technology, 2015
Certificate of Commendation, State of Minnesota
U.S. Army Chemical and Biological Defense Command Distinguished Service Award, 1995
University of Minnesota Board of Regents Outstanding Achievement Award, 1993
National Academy of Engineering, 1991