Atmospheric Monitoring Sensor Module （Model: ZEHS04） Manual Version: 1.3 Valid From：2023-03-24 Zhengzhou Winsen Electronics Technology Co.,

Statement This manual 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 the components inside of the sensor, we shall not...

Zhengzhou Winsen Electronics Technology Co., Ltd ZEHS04 Profile ZEHS04 is a diffusion type multi-in-one module, mounted with atmospheric monitoring module ZE12A, to detect CO, SO2, NO2, and O3. It is also compatible to connect with dust sensor module, temperature and humidity sensor module externally. With TTL or RS485 output, it is convenient to use and debug, which greatly shortens the user’s design and development cycle, and meets customers’ needs for different gas detection occasions. Feature High sensitivity, high resolution, long lifespan; UART or RS485 output; High stability, good anti-interference...

Zhengzhou Winsen Electronics Technology Co., Ltd Detection Range Table 2 Model Unit Resolution Accuracy（ug/m³）

Zhengzhou Winsen Electronics Technology Co., Ltd Module interface location and fixing holes Module Interface Interface definition Extended interface two(reserve interface) use it with the switching board Extended interface three Email: [email protected] Leading gas sensing solutions supplier in China!

Zhengzhou Winsen Electronics Technology Co., Ltd Interface definition UART output Power supply Standby power supply Both are the same effect,only choose one when use it It is used in a pump-suction mode Turn on the air pump, and the interface voltage of the air pump is 3.83V Turn off the air pump, and the interface voltage of the air pump is 1.47V Fixing hole Fixed material suggestions Sensor module fixing hole Metal or plastic material screw, nut fixed Sensor module fixing hole (reserve) Metal or plastic material screw, nut fixed Sensor module fixing hole (reserve) Metal or plastic material...

Zhengzhou Winsen Electronics Technology Co., Ltd Numbering description in Figure 4: Name ZE12A PCBA Phillips pan head screws M3×8 Material / / Nylon (white) Nylon (white) Shell suggestion: 1. The peripheral structure must be water-proof. The front and back sides of casing, need to be opened to ensure that the air can diffuse freely for testing. 2. The module is equipped with 6 with a diameter of 3mm fixing holes, 1 with a diameter of 3mm spare fixing holes, and 1 with a diameter of 8mm spare fixing holes, which can be fixed through part of the fixing holes Fixed to the shell (fixed with metal...

Zhengzhou Winsen Electronics Technology Co., Ltd 3. Sensor shall avoid organic solvent, coatings, medicine, oil and high concentration gases. 4. The module should be charged for over 24hours for the first time, and supply circuit should be equipped with power reservation function. Otherwise, it will affect continuity and accuracy of returned data if it goes offline for too long. If the power offline time is within half an hour, it needs to be aged for at least 2 hours. 5. It is recommended to keep the sensor aging and turn off the pump to save power, as well as extend the pump life and ensure...