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Range: 0 to ± 30 Std L/min Accuracy: 2% of reading Calibration: Air, N2* Includes Standard Accessory Kit*Nitrogen gas is a correction from the air calibrationISO 17025 Accredited Version

Learn how quantitative fit testing and digital records can support audit-ready respiratory protection programs across global regulatory environments.

Simplify the process with TSI Link™ Solutions by remotely managing and viewing your devices status from the comfort of your home or office.

Light, portable, and accurate measurement of particles 0.3 to 10 micrometers. Capable of measuring both particle concentration and particle size distribution as frequently as once per second (1 Hz), the Optical Particle Sizer (OPS) is a valuable tool in numerous applications...

Regular maintenance plays a crucial role in keeping your system working optimally for years.

The PortaCount™ Respirator Fit Tester is a quantitative respirator fit tester that supports respiratory protection programs throughout the entire fit test process; from training and mask selection through compliance.*Tablet and laptop are not included with the instrument...

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

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