TSI 7525 Indoor Air Quality Monitor is an excellent instrument for studying and monitoring indoor air quality (IAQ).  

Features and Benefits

Low drift NDIR CO2 sensor for stable, accurate readings

Multi-point measurement sampling and recording function

Ergonomic over-molded outer box design

Temperature and relative humidity measurements facilitate determination of thermal comfort

Calculates percentage of outdoor air based on CO2 or temperature

Direct calculation of dew point and wet bulb temperature

Display of up to three parameters

Applications

Inspect building HVAC system performance

Test indoor air quality conditions to optimize worker productivity

Follow regulations and guidelines