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.

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.