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TSI’s line of environmental particle counters are in use around the world, accurately measuring and reliably reporting atmospheric particle concentrations.

TSI's Scanning Mobility Particle Sizer (SMPS™) spectrometers are high resolution sizers that have long been hailed as the researcher's choice for particle size characterization.

Master duct static pressure to optimize airflow and HVAC system efficiency.

TSI around the world, on the job, in the community, and part of the neighborhood.

Measuring PM10, PM4 (respirable), PM2.5, PM1 and 0.8µm for diesel particulate matter (DPM) exposures, the product combines TSI’s proven direct reading measurement technology, portability, data-logging, and long-running batteries with global certifications for use in...

Advanced models of TSI’s new flow meter line can integrate five different sensors into a single, compact device.

The modified fit test protocols require fewer, shorter exercises and greatly reduce test time without compromising safety.