Zhengzhou Winsen Electronics Technology Co., Ltd Infrared CO2 Sensor Module (Model: MH-Z1311A) User’s Manual (Version 1.4) Issue Date. 2023.04.17 Zhengzhou Winsen Electronics Technology Co., Ltd ISO9001 Certificated Company Email: [email protected] Leading gas sensing solutions supplier in China!

Zhengzhou Winsen Electronics Technology Co., Ltd Statement This manual’s copyright 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 let customers use it better and reduce the faults caused by misuse, please read the manual carefully and operate it correctly in accordance with the instructions. If users disobey the terms or remove, disassemble, change...

Zhengzhou Winsen Electronics Technology Co., Ltd MH-Z1311A NDIR CO2 Module Profile MH-Z1311A carbon dioxide gas sensor (hereinafter referred to as the sensor) is a general-purpose, small-scale sensor that uses the principle of non-dispersive infrared (NDIR) to detect CO2 in the air. It has good selectivity, no oxygen dependence, and long life. , Built-in temperature compensation, digital output, easy to use. The sensor is a high-performance sensor made by closely combining mature infrared absorption gas detection technology with precise optical circuit design and sophisticated circuit design....

Zhengzhou Winsen Electronics Technology Co., Ltd Detection range and accuracy Detection Gas Detection Range Carbon Dioxide Accuracy ± (30ppm+3% reading value)(15~35℃) ± (10% reading value)(-10~15℃, 35~50℃) Pins connection type: Pin UART（TXD） 0～3.3 V data output UART（RXD） 0～3.3 V data input Email: [email protected] Leading gas sensing solutions s

Zhengzhou Winsen Electronics Technology Co., Ltd Notes ● During the process of welding, installation, and use of the sensor, the optical cavity of the sensor should be prevented from being subjected to pressure in any direction. ●If the sensor needs to be placed in a small space, this space should be well ventilated, especially the air intake window should be in a well-ventilated location.. ●The sensor should be far away from heat sources, and avoid direct sunlight or other heat radiation. ●The module should be calibrated termly, the suggested period is not longer than 6 months. ●Do not use the...