MH-Z19 Datasheet (Winsen) - Intelligent Infrared CO2 Module

MH-Z19, Intelligent Infrared CO2 Module

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 (Factory Reserved) Table 3 Definition for Pins 6.

Zhengzhou Winsen Electronics Technology Co., Ltd www.winsensor.com Intelligent Infrared CO2 Module (Model: MH-Z19) User’s Manual (Version: 1.0) Valid from: 2015.03.03 Zhengzhou Winsen Electronics Technology Co., Ltd ISO9001 certificated company Tel: 0086-371-67169097 Fax: 0086-371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China Zhengzhou Winsen Electronics Technology Co., Ltd www.winsensor.com Statement This manual’s copyright belongs to Zhengzhou W

MH-Z19 Features

* High sensitivity, high resolution -water vapor interference Tel: 0086-371-67169097 Fax: 0086-371-60932988 Email: sales@winsensor.com Leading gas sensing solutions supplier in China Zhengzhou Winsen Electronics Technology Co., Ltd www.winsensor.com 4. Technical Parameters and Structure Produ