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Achieve top product performance and compliance with advanced filter testing solutions.

Ultrafine particles (UFPs) impact air quality, climate, and health. They’re best measured by particle counting and sizing methods, offering insights into their distribution and atmospheric behavior.

Maintaining a balance between airflow and pressure is fundamental for HVAC operational efficiency

TSI supports our customers around the world with support, product service and calibration. If you own a TSI instrument, we hope you will take advantage of the benefits available to you.

The Apex2 Plus offers enhanced performance, ensuring it can handle even the most demanding personal monitoring applications. With a flow rate up to 5L/min, the Apex2 Plus models offers enhanced features like duration timers, Bluetooth connectivity, enabling real-time data and...

The Vortex3 Pro offers enhanced functionality for users who need detailed data logging, connectivity, and advanced flow control. The vortex3 Pro includes Bluetooth, a battery gauge and remote monitoring and control. Ideal for area sampling for airborne contaminants including...

The Annual EIA Conference & Exhibition is the source for information on mold identification and remediation, environmental sampling, and more.

There is now strong scientific consensus that UFPs represent a distinct and significant health hazard.