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As more ventilators are manufactured and used to treat patients, the need for proper ventilator testing has increased as well.

TSI started in 1961 in Minneapolis, Minnesota. In 1976, TSI built a 32,000 square foot facility in Shoreview, Minnesota, a suburb just north of the capital city, St. Paul.

When your application needs aerosolized nano-scale particles, such as viruses, proteins, or synthetic nanoparticles, the Advanced Electrospray Aerosol Generator (EAG) Model 3482 is the best tool for the job. In addition to enabling the characterization of biological or...

This unit has been discontinued as of December 31, 1995.

To measure rapidly-evolving aerosols (such as engine or 3D printer emissions), you need a particle sizer that can keep up. TSI has several fast particle sizer spectrometers that are designed for such situations.

Optimize indoor air quality with accurate, continuous monitoring of IAQ parameters.

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