The RS485 Cyanide Gas (HCN) sensor is an IoT wired sensor developed based on RS485 communication technology, with a built-in cyanide gas sensor and temperature and humidity sensors. It utilizes electrochemical principles to monitor the concentration, temperature, and humidity of cyanide gas in the environment in real-time. This system has the characteristics of high detection accuracy, stable performance, and low power consumption, and is widely used in environmental monitoring, industrial emission monitoring, chemical plants, and other fields.

This CE-certified industrial-grade ETO gas transmitter adopts an electrochemical principle, featuring an ultra-high resolution of 0.1 ppm and a measurement range of 0-100 ppm with a 1-second data refresh rate. The device supports RS485 output and the ModBus RTU communication protocol, with a default baud rate of 9600 bit/s and a maximum communication distance of 2000 meters. It is powered by a wide DC voltage range of 5-28V and encased in a waterproof wall-mounted housing with high protection performance, suitable for harsh industrial environments with a temperature range of -20℃ to 50℃ and a humidity range of 15%-90% RH (non-condensing). Equipped with a built-in temperature and humidity sensor, it boasts excellent anti-interference capability and is applicable to scenarios such as industrial safety and environmental monitoring, providing accurate and stable data support for gas detection.

The RS485 Nitrogen Dioxide Transmitter is a high-precision gas monitoring device specially designed for industrial scenarios. It supports a wide voltage supply of 10-30VDC, with a power consumption of only 0.18W, and can operate stably in a wide temperature range of -40~80℃. This transmitter features a measurement range of 0-20ppm (customizable), a resolution of 0.1ppm, and a detection accuracy of ±5% FS. Equipped with RS485 standard output, it boasts fast response speed (≤30S at 20ppm) and excellent stability. Ideal for factory exhaust emission monitoring, air quality monitoring and other scenarios, it is a reliable choice for nitrogen dioxide concentration monitoring in industrial environments.

RS485 hydrogen fluoride (HF) sensor is a wired industrial sensor developed based on RS485 bus technology, with built-in hydrogen fluoride sensor and temperature and humidity sensors. It utilizes electrochemical principles to monitor the concentration, temperature, and humidity of hydrogen fluoride in the environment in real-time. This system has the characteristics of high detection accuracy, stable performance, and reliable wired transmission, and is widely used in environmental monitoring, industrial emission monitoring, chemical plants, and other fields.

This RS485 hydrogen chloride transmitter adopts electrochemical principle to accurately detect 0~10ppm HCL gas, and simultaneously monitors temperature from -40~+80℃ and humidity from 0~99.9%RH. It features a wide power supply range of 5~28VDC, ModBusRTU protocol and RS485 interface. With industrial-grade stability and reliability, it is suitable for environments from -20~60℃ and has a service life of over 2 years, making it an ideal choice for hydrogen chloride gas monitoring in industrial scenarios.

This industrial ozone transmitter adopts the advanced electrochemical principle, is equipped with a three-electrode gas sensor and a high-performance microprocessor, and can monitor ozone concentration in real time and accurately. It supports RS485 signal output and ModBus RTU standard protocol, with customizable address and adjustable baud rate. The maximum communication distance is up to 2000 meters, enabling it to be easily adapted to PLCs and control systems. The product is provided with a waterproof wall-mounted shell, featuring excellent protection performance. It supports a wide voltage power supply of 5-28V, which is suitable for various on-site power sources, and can work stably in harsh industrial environments with a temperature range of -20℃~50℃ and a humidity range of 15%-90% RH. It has the advantages of 1-second fast data update and 1ppm high resolution, along with strong anti-interference ability and low power consumption. It is widely applied in scenarios such as environmental monitoring, manufacturing industry and indoor monitoring, and is a reliable ozone detection solution.

The carbon monoxide sensor developed by our company has the advantages of rapid response, high sensitivity, and strong anti-interference ability. Through self-developed compensation algorithms and multi-level standard gas calibration, the product also has the characteristics of long service life, high accuracy, good repeatability, and strong stability. This device is suitable for real-time monitoring of carbon monoxide concentration in warehouses, workshops, chemical plants, greenhouses, enclosed living spaces, and other places.

ZONEWU RS485 ethylene (C2H4) sensor is a type of sensor used to monitor ethylene gas. Supports RS485 interface and standard ModBusRTU protocol. Equipped with high-performance ethylene sensors and microprocessors, it has the characteristics of high detection accuracy, stable performance, and low power consumption. It can preset upper and lower threshold values based on the environment and actively report data anomalies. Widely used in industrial safety, agricultural production, environmental protection and other scenarios.