SPECIFICATIONS

Brand Name: Your Cee

High-concerned chemical: none

Material: Mixture

Origin: Mainland China

Output: Analog Sensor

Theory: Inductance Sensor

Type: Gas Sensor

Use: Gas Sensor

is_customized: Yes

MH-Z1911A infrared CO2 sensor is intelligent sensor with small size, using non-dispersive infrared (NDIR) principle to detect the concentration of CO2 in the air of buildings such as office, home, classroom, airport installed in air quality meters, air purifier and HVAC system. It has excellent selectivity carbon dioxide, built-in temperature compensation for high accuracy, lower power consumption and optional output ways of UART and PWM. It is developed by the tight integration of mature infrared absorbing gas detection technology, precision optical circuit design and superior circuit design.

Application

HVAC system
Air purifier
Air quality monitor
Consumer CO2 meter
Smart home device
Smart building automation
Indoor environmental control

Features

High sensitivity, low power consumption
Good stability and consistency
Temperature compensation, excellent linear output
Multiple output modes: UART, PWM
Long lifespan
Anti-water vapor interference

Specifications

Model No.	MH-Z1911A	Preheat time	1 min
Detection Gas	CO2	Response Time	T90 <120s
Working voltage	DC 5.0±0.1V	Working temperature	-10 ~ 50 ℃
Average current	<30mA (@5V power supply)	Working humidity	0~95%RH(No condensation)
Peak current	125mA (@5V power supply)	Storage temperature	-20~60 ℃
Interface level	3.3 V(Compatible with 5V)	Weight	5 g
Output signal	Serial Port (UART)(TTL level 3.3V)	Detection Range	400~10000ppm(optional,see table2.)
Output signal	PWM