TSI Incorporated

TSI Incorporated is a worldwide supplier of innovative instruments that monitor and control indoor environments to help enhance the comfort, safety, and operating efficiency of indoor environments. TSI's products measure air velocity, static and differential pressure, temperature, humidity, CO, CO2, O2, NO, and NO2. Also, they will calculate dew point, air flow, % outside air, heat flows, wet bulb temperature, absolute humidity and humidity ratio.

In addition, TSI offers pressure and velocity controls that ensure the safety and energy efficiency of critical environments like laboratories and hospitals. Products include fume hood face velocity monitors and controllers, and room pressure monitors and controllers to control airborne contaminants.