1.Special design for room CO2
indicator and alarm 2.Suitable for classrooms, offices and other
public places 3.Real-time detecting and display CO2 level during 0ppm to *0,**0ppm
CO2 range 4.Also detecting
room temperature from 5 to *5C 5.Optional real-time humidity from
5% RH to *5% RH 6.NDIR CO2
sensor technology of infrared self diffusion, *5 years lifetime
7.Self calibration algorithm makes it in using without calibration
amending 8.Specially provide the altitude calibration 9.The three
measured CO2 ranges for 3 LED
indicator lights setup by end users *0.3 LEDs brightness adjustable
*1.Optional 1 x dry contact output to control a ventilation device
*2.Optional 1 x 0 to *0V DC output *3.Optional the buzzer alert for
CO2 level *4.Optional RS**5 interface to connect to a PC or another
system
