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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.

The LoRaWAN Cyanide Gas (HCN) sensor is an IoT wireless sensor developed based on LoRa wireless 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.

LoRaWAN hydrogen fluoride (HF) sensor is an IoT wireless sensor developed based on LoRa wireless 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 low power consumption, and is widely used in environmental monitoring, industrial emission monitoring, chemical plants, and other fields.

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.

Based on the laser scattering principle, this sensor accurately detects particles ranging from 0.3μm to 10μm, and real-time monitors the concentrations of PM2.5/PM10/PM1.0 (measuring range: 0-1000μg/m³, resolution: 1μg/m³). It features a built-in self-calibration function upon startup. Supporting the standard LoRaWAN protocol, it is compatible with multiple frequency bands and OTAA Class A/C modes, ensuring stable data transmission. With a default data collection cycle of 10 seconds and reporting cycle of 5 minutes, it allows flexible configuration of threshold triggers and the number of abnormal reports. Adaptable to a wide temperature range of -20℃~60℃ and easy to install, it is widely used for dust monitoring in outdoor weather stations, industrial plants, libraries and other places, providing reliable data support for air quality management.

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.