MH-Z14A - Intelligent Infrared Carbon Dioxide
Vin Voltage Input GND Analog Output (0.4~2V) PWM HD (Zero calibration, low level for more than 7 seconds valid) NC UART(RXD) TTL Level input UART(TXD) TTL Level output 7.
Automatic Baseline Correction (ABC function) ABC function refers to that sensor itself do zero point judgment and automatic cal
Intelligent Infrared Carbon Dioxide Module (Model: MH-Z14A) User’s Manual V1.01 Valid from Sep 24th, 2015 Zhengzhou Winsen Electronics Technology CO., LTD.
Statement The copyright of this manual belongs to Zhengzhou Winsen Electronics Technology Co., LTD.
Without the written permission, any part of this manual shall not be copied, translated, stored in database or retrieval system, also can’t spread through electronic, copying, record ways.
Thanks for purchasing our product.
In order to enable
MH-Z14A Features
* Gold-plated chamber, waterproof & anti-corrosion treatment
* High sensitivity, Low power consumption
* Good stability
* Temperature compensation, excellent linear output
* Output modes: UART, analog voltage signal, PWM wave
* Long lifespan
* Anti-water vapor interferen