Electrochemical Ozone Detection Module （Model：ZE27-O3） User’s Manual Version: 1.2 Valid from: 2020.04.29 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. To make you use our sensors 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 be...

Zhengzhou Winsen Electronics Technology Co.,Ltd Electrochemical Ozone Detection Module ZE27-O3 Product Description ZE27-O3 is a general-purpose and miniaturization electrochemical ozone detection module. It utilizes electrochemical principle to detect ozone in air which makes the module with high selectivity and stability. It is a combination of mature electrochemical detection principle and sophisticated circuit design. Features *High sensitivity & resolution& Good stability *Extremely low power consumption *UART output way * High stability, excellent anti-interference ability, temperature compensation,...

Zhengzhou Winsen Electronics Technology Co.,Ltd Response time Resume time Range Resolution Storage temp. Working life UART (TXD) 0~3.0V Data output UART (RXD) 0~3.0V Data input Email: [email protected]

Zhengzhou Winsen Electronics Technology Co.,Ltd Communication Protocol 1 General Settings Table 3 Baud Rate Data Bytes Stop Byte check byte 2 Communication Commands There are two communication type: active upload type and Question & Answer type. The default type for this module is active upload and it sends gas concentration every other second. If it is Q&A mode and you want to switch it to active upload mode again, please send following command: Command to switch Q&A mode to active upload mode: Start Byte Full scale Full scale Data of active upload show as follow: High Byte High Byte NOTE: Gas...

Zhengzhou Winsen Electronics Technology Co.,Ltd Return gas concentration as follow: Byte0 High Byte(ppb) NOTE: Gas concentration(PPB)=(Concentration high byte*256+Concentration low byte). If users would like to change the unit into PPM: PPM=PPB/1000. 3 Checksum calculation method Checksum = (Negative (Byte1+Byte2+Byte3+Byte4+Byte5+Byte6+Byte7)) +1 unsigned char FucCheckSum(unsigned char *i,unsigned char ln) { unsigned char j,tempq=0; i+=1; for(j=0;j<(ln-2);j++) { tempq+=*i; i++; } tempq=(~tempq)+1; return(tempq); } Cautions 1.Prohibit plug and pull the sensor on the module. 2. Prohibit change...

Zhengzhou Winsen Electronics Technology Co.,Ltd 12. It is forbidden to encapsulate modules with hot melt adhesive or sealant with curing temperature higher than 80 ℃. 13. Prohibit long-term storage and use in high concentration alkaline gas Zhengzhou Winsen Electronics Technology Co., Ltd Add: No.299, Jinsuo Road, National Hi-Tech Zone, Zhengzhou 450001 China Tel: +86-371-67169097/67169670 Fax: +86-371-60932988 E-mail: [email protected] Website: www.winsen-sensor.com Email: [email protected] Leading gas sensing solutions supplier in China!