MH-Z19 datasheet, module equivalent, Winsen

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Features and benefits

High sensitivity, high resolution -water vapor interference Tel: 0086-371-67169097 Fax: 0086-371-60932988 Email: [email protected] Leading gas sensing solutions su.

Application

MH-Z19 NDIR infrared gas module is widely used in the HVAC refrigeration and indoor air quality monitoring. 3. Main Func.

Description

Vin (voltage input) GND Vout (output voltage 3.3V, output current lower than 10mA) PWM HD (zero calibration, low level above 7 seconds) (Factory Reserved) UART (RXD) 0~3.3V digital input UART (TXD) 0~3.3V digital output SR (Factory Reserved) AOT (Fac.

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