800-680-1220 / +1 651-490-2860 (US) All Locations
Efficiency Meets Intelligence.

Efficiency Meets Intelligence.

Learn More
TSI Wins Two OH&S Industrial Hygiene Awards

TSI Wins Two OH&S Industrial Hygiene Awards

Read Press Release
TSI Link™ Smart Bridge: Enhanced Workflow and Reporting

TSI Link™ Smart Bridge: Enhanced Workflow and Reporting

Read Press Release
Twice the Output, Half the Size

Twice the Output, Half the Size

Lean More
See Through the Noise

See Through the Noise

Find out more

Empowers Data-Driven Decisions in UPW Monitoring

…Like Never Before. Introducing the TSI Nano LPM™ System — designed for true 10 nm nanoparticle detection in semiconductor ultrapure water (UPW).

Learn More

Our Policies

Read our Privacy, Quality, Terms & Conditions, and other TSI policies

Browse Policies

Quality Management Systems

Continually improving our processes, products, and services.

See QMS Certificates

Engineered Excellence for 50+ Years

TSI's history goes all the way back to 1961 and as far away as Mars!

Learn more

Login for Calibration or Service

Register or login to request service or calibration for your TSI instrument

Register or Login