[shortdesc]
Application:Widely used for industrial field instrumentation, industrial-process control and safety protection
Feature:Long lifespan,High Sensitivity and resolution,5V constant power supply, low power consumption
[/shortdesc]
Production Description:
MH-711A is a universal type intelligent sensor to detect CO2 in air taking advantages of non-dispersive infrared (NDIR) principle. With high selectivity, no oxygen dependence, high performance and long lifespan features, MH-711A also has built-in temperature compensation feature. MH-711A is a compact and high-performance sensor based on infrared absorption of gas detection technology, micro-machining and sophisticated circuit design.
Feature:

Long lifespan
High Sensitivity and resolution
5V constant power supply, low power consumption
Output method: UART, analog voltage signal, etc.
Quick response & Resume
Temperature compensation, excellent linear output
Anti-poisons, anti-vapor interference

Application:
Widely used for industrial field instrumentation, industrial-process control and safety protection

Main technical parameters:

Product Model	MH-711A
Target Gas	CO2
Working Voltage	4.5 V ~ 5.5V DC
Average Current	< 100mA
Interface Level	3.3V
Measurement Range	0~30%VOL optional (view table 2)
Output Signal	IIC
Output Signal	0.4-2V DC
Warm-up Time	3min
Response Time	T90 < 30s
Working Temp.	-40℃ ~ 70℃
Working Humidity	0 to 95%RH, Non-condensing
Dimension	Φ44×61mm
Weight	350g
Lifespan	>5 years
Ex-marking	Ex dⅡC T6 Gb
Protected Class	IP65

1 pc MH-711A Infrared CO2 Gas Sensor