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Extreme heat risks make heat stress monitoring essential for safety and productivity.

Respiratory protection is vital to shielding workers from hazardous airborne contaminants.

Available in the US and Canada. The PortaCount™ Respirator Fit Tester Model 8040-T Kit provides a consistent and objective quantitative respirator fit testing experience. The 8040-T Kit is bundled for your convenience. In addition to the 8040 Respirator Fit Tester, the Kit...

Ozone (O₃) Module for TSI OmniTrak™ Solution.This product is only available in the US, Canada, United Kingdom, European Union, Switzerland, Norway and Australia. 

The EVM Series Particulate Mass Concentration and Air Quality Monitors simultaneously measure particulates and gas concentration in real-time.

The TSI BlueSky™ Air Quality Monitor is a lightweight, laser-based particle instrument designed to simultaneously measure PM2.5 and PM10 mass concentrations, as well as temperature and relative humidity. The device purchase includes a subscription to both TSI Link™ Software...

Our handheld DustTrak™ DRX Aerosol Monitor is a multi-channel, data-logging, laser photometer for real-time aerosol readings. Portable design allows you to measure dust, fumes, mists and smoke and is suitable for engineering control evaluations.Looking for quick reporting and...

ISO 17025 AccreditedThe Primary Calibrator 4046 has a range of 2.5 to 300 liters per minute (L/min).

NOTE: Now Available in the US, Canada and Australia. Coming soon to more regions. TSI Quest™ Edge 7 Personal Noise Dosimeter is a powerful and intuitive instrument designed for identifying hearing loss threats and informing the design of hearing protection programs and...