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

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

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

The QUESTemp° 32/34/36 Area Heat Stress Monitors are designed to quickly and accurately evaluate potential heat stress environments.

The PortaCount™ Respirator Fit Tester 8040 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...

AirAssure™ 8144-4 IAQ Monitor measures formaldehyde, CO, VOCs, CO2, particulate matter, barometric pressure, temperature and relative humidity.  The AirAssure™ IAQ Monitor in combination with TSI Link™ Solutions software are essential to creating, managing, and deploying your...

The 9600 VelociCalc is a portable, handheld Multi-Function Ventilation and IAQ test instrument featuring a menu-driven user interface for easy operation. The high-resolution color screen displays multiple measurements simultaneously in real-time with on-screen prompts to guide...

TSI's DustTrak™ Environmental Monitors are real-time, near reference aerosol instruments, which can be deployed remotely in under an hour.

The Apex2 Pro version offers the highest level of monitoring with flows to 5L/min. Featuring all the capabilities of the Standard and Plus models, the Apex2 Pro adds datalogging of flow, pressure and motion, aswell as programmable on and off timers. Remotely monitor and...

Casella's dBadge2 is compact, wearable device used to monitor personal noise exposure. The ‘pro’ model provides all the features of the plus and standard, with the addition of octave band analysis. Octave band measurements can be used for the selection of the correct hearing...