This data logging indoor air quality (IAQ) meter has the ability to record samples on internal memory and keep track of registered readings with a time and date stamp.
The R9905 features a nondispersive infrared (NDIR) CO2 sensor for stable, accurate readings and the option to track live measurements via software.
Triple LCD display simultaneously monitors carbon dioxide (CO2), temperature and relative humidity
Calculates time-weighted average (TWA) and short-term exposure limit (STEL)
Low-drift NDIR CO2 sensor for stable and accurate readings
Temperature and relative humidity measurements help determine thermal comfort
Easy-to-read backlit LCD display
User adjustable audible alarm
Data hold, max/min and average functions
Record up to 32,000 datapoints and keep track with internal time and date stamp