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By placing an Alnor Balometer Capture Hood ABT711 over a diffuser or grille, you can measure air volume in order to balance buildings and verify air flow distribution.

The Alnor Rotating Vane RVA501 is a handheld digital rotating vane anemometer that measures air velocity, air volume, and temperature in imperial or metric units. The four-inch (100mm) head automatically averages velocity and volume readings, making the RVA501 an essential...

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. 

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. 

Q-Trak Indoor Air Quality Monitor Model 7575 provides quick, accurate information to assess key indoor air quality, or IAQ, parameters.

The Q-Trak XP Indoor Air Quality Monitor Model 7585 unites gas and particle measurements with traditional IAQ parameters—in one lightweight, handheld instrument that is easy to use, configure and calibrate in the field. Designed for IAQ and industrial hygiene professionals...