800-680-1220 / +1 651-490-2860 (US) All Locations

Contamination Control

Trust TSI Particle Counters—We detect it all

TSI provides are specialized particle counters for classifying and monitoring cleanrooms in a variety of applications. Core industries include pharmaceutical, semiconductor, electronics, and industrial manufacturing.

Since 1961, TSI particle counters are top-choice for improving product quality, and eliminating product waste, interventions and interruptions. This is critical for a facility to reduce risk and costs, increase profits and ease regulatory compliance.

Select TSI particle counters have enhanced data integrity capabilities. This is most critical for pharmaceutical, medical device and life science manufacturing industries to ensure complete, consistent, and accurate data according to ALCOA+ principles and FDA CFR Part 11 regulatory requirements.  

TSI particle counting technology is used by national and standards labs worldwide. Rely on our experience to confidently ensure regulatory compliance and improve quality.

For confident, reliable, no-hassle compliance and data integrity, CLICK HERE to learn more about TSI Complete Facility Monitoring Systems.

Connect with TSI


News & Press

Read the latest news about TSI and industries we serve.

View All News


Events & Shows

We are at the industry events important to you.

View all Events


Grow with TSI

We encourage curiosity and critical thinking. Browse TSI jobs.

Explore TSI Careers


Patents & Awards

TSI researchers and engineers hold more than 50 patents.

Browse TSI's Patents