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

PRE Challenge Wafers are an affordable solution for Particle Removal Efficiency (PRE) testing resulting in reliable cleaning system validation.

This is for the PortaPunch™ Probe Insertion Tool only. Does not include sampling probe and push nuts. See TSI Model 8025-N95 Fit Test Probe Kit that also included the sampling probe and push nuts. Use the along with your PortaCount™ Respirator Fit Testers to quantitatively...

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.

Emergency responders face high noise risks; protective gear and check-ups are vital.

Cleanroom monitoring maintains manufacturing integrity by tracking pollutants.

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