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The P-Trak Ultrafine Particle Counter Model 8525 measures workplace ultrafine particulate levels, as well as helping eliminate indoor air quality or IAQ problems.

The new TSI AirAssure™ Indoor Air Quality Monitors continuously measure factors critical to knowing if your indoor air is healthy for occupants.

Explore green building certifications, such as LEED, WELL, RESET, BREEAM and the tole of IAQ monitoring.

Particulate Matter (PM) Module for TSI OmniTrak™ Solution.This product is only available in the US, Canada, United Kingdom, European Union, Switzerland, Norway and Australia. 

Measures barometric pressure and has inputs for two K alloy thermocouples. Data logging included.

The 9650 VelociCalc is a portable, handheld Multi-Function micromanometer featuring a menu-driven user interface for easy operation. The high-resolution color screen displaying multiple measurements simultaneously in real-time with on-screen prompts to guide you through...

Environmental air monitors help identify risks to communities and workers from breathable particles.

Explore the world of sound level meters, sound meters, and noise level measurement tools. Learn how to select the best device for your needs.

TSI's IAQ-Calc™ Indoor Air Quality Meters are outstanding instruments for investigating and monitoring indoor air quality (IAQ).