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MH-Z14B NDIR CO2 SENSOR

MH-Z14 NDIR Infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. This infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optical circuit design and superior circuit design.

Working Principle

MH-Z14 NDIR Infrared gas module is a common type, small size sensor, using non-dispersive infrared (NDIR) principle to detect the existence of CO2 in the air, with good selectivity, non-oxygen dependent and long life. Built-in temperature sensor can do temperature compensation; and it has digital output and analog voltage output. This infrared gas sensor is developed by the tight integration of mature infrared absorbing gas detection technology, Precision optical circuit design and superior circuit design.

Performance

Application

Product Parameters

Model No.

MH-Z14B

Detection Gas

CO2

Working voltage

DC (5.0±0.1) V

Average current

< 60 mA(@5V power supply)

Peak current

150 mA(@5V power supply)

Interface level

3.3 V (Compatible with 5V)

Measuring range

0~10000ppm (max 50000ppm can be extended)

Output signal

UART (TTL 3.3V)

PWM

Preheat time

10S

Response Time

T90 < 90s

Working temperature

-10℃ ~ 50℃

Working humidity

0~95%RH

Storage temperature

-20℃ ~ 60℃

Weight

<15 g

Lifespan

>10 years

Application Solution

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