Principle Introduction:
MH-410D infrared CO2 sensor is a miniature universal intelligent sensor, which adopts NDIR theory to detect concentration of CO2 in air and has good selectivity, stable performance, long life, also is independent of Oxygen. The inside temperature sensor could be used for temperature compensation. This miniature infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, micro machine workout and superior circuit design.

Applications :
Widely used for HVAC refrigeration, air monitoring indoor, industrial-process control and safety protection, agriculture and animal husbandry.

Technical parameters :

Tips:For more parameter information, please refer to the latest manual provided by salesman.

Model	MH-410D
Detection Gas	CO2
Working Voltage	3.6~5V DC
Average Current	<85 mA
Interface Level	3.0V
Detection range	0-5%vol Optional(refer Fig2.)
Output Signal	UART
Output Signal	0.4~2V
Warm-up time	3 min
Response time	T90<30s
Working Temperature	-20°C ~60°C
Working Humidity	0~95%RH(no condensation)
Sizes	Φ20x21.4mm
Weight	35g
Lifetime	>5 years
Defense Grade	IP54

Reference Circuit :

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