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TSI employees work in product development, manufacturing and customer support in facilities on three continents and using over 425,000 square feet of building space.

Browse our recorded webinars and videos that explore the specialized field of aerosol science.

TSI opened TSI Instruments India Private Limited in Bangalore, India in 2008.

Accurate UFP measurements on-the-go! The OmniCount™ PWCPCs offer accurate, real-time particle analysis with 5-hour battery life, and reliable data collection, even in motion.

Allows multiple individuals to be fit tested simultaneously, significantly reducing testing time and administrative overhead while ensuring compliance with safety standards.

TSI is ready to help EPAs implementing PN and PSD measurements into existing monitoring networks as per the new EU Ambient Air Quality Directive.

AC Adapter