Electrochemical CH2O Detection Module （Model：ZE08-CH2O） User’s Manual Version: 1.7 Valid from: 2020-04-17 Zhengzhou Winsen Electronics Technology Co.

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 the components inside of the sensor, we shall not...

Zhengzhou Winsen Electronics Technology Co.,Ltd Electrochemical CH2O Detection Module ZE08-CH2O Profile ZE08-CH2O is a general-purpose and miniaturization electrochemical formaldehyde detection module. It utilizes electrochemical principle to detect CH2O in air which makes the module with high selectivity and stability. It is built-in temperature sensor to make temperature compensation. It has the digital output and analog voltage output at the same time. It is a combination of mature electrochemical detection principle and sophisticated circuit design. Features *High sensitivity &resolution,...

Zhengzhou Winsen Electronics Technology Co.,Ltd Pin Description: UART（RXD） 0～3.3V data input UART（TXD） 0～3.3V data output Reserved Fig2. Pin figure of the Module Communication Protocol: 1. General Settings Table 3 Baud Rate Data Bits Stop Bits Parity 2 .Commands There are two communication type: active upload type and Q&A type. The default type for this module is active upload and it sends gas concentration every other one second. If the user switched to the question and answer mode, need to re-switch to active upload, send the following command line format: Table 4 Byte0 Start Byte Active upload...

Zhengzhou Winsen Electronics Technology Co.,Ltd When the user needs the question and answer mode, you can send the following command format to close the active upload data, and then send the command to read the concentration can be. Close the active command line format as follows: In question and answer mode, the command format for reading the concentration is as follows: Table 7 Byte0 The returned sensor density value display format is as follows: Table 8 Byte0 High byte High byte Gas concentration value=High byte of concentration *256+ Low byte of concentration 3 .Checksum and calculation /**********************************************************************...

Zhengzhou Winsen Electronics Technology Co.,Ltd Packing: 1. Place the sensor in the same direction in the blister tray. 2. Place the sensor's blister trays in the appropriate number of layers according to the box specifications. 3. Place the packaged sensor in the carton. 4. The carton is sealed and packed. 5. Orders with a single shipment less than the minimum package are not subject to this specification. Email: [email protected] Leading gas sensing solutions supplier in China!

Zhengzhou Winsen Electronics Technology Co.,Ltd Cautions: 1. Sensor shall Avoid organic solvent, coatings, medicine, oil and high concentration gases 2. The module may not be completely encapsulated with resin material, nor may it be immersed in an oxygen-free environment, otherwise the performance of the sensor may be damaged; 3. Modules cannot be used in environments with corrosive gases for long periods of time, and corrosive gases can damage the sensor; 4. Excessive impact or vibration should be avoided； 5. The initial power-up of the module needs to be preheated for 24-48 hours, so that...