The Sefram carbon dioxide measurement is required in many applications, above a certain concentration level, CO2 can be dangerous. It allows to monitor this concentration in any environments. The alarm setting is really useful to warn people so they can take good actions to reduce this concentration. CO2, humidity and temperature sensors
Dual wavelength NDIR CO2 sensor (Non-Dispersive Infrared) for superior stability
User operated CO2 calibration
Data Hold & Max/Min/STEL/TWA function
Adjustable auto power off timer
Internal CO2 alarm buzzer
Data logging up to 32,000 sets
USB interface, PC software included
Backlight display functions