LoRaWAN sulfur dioxide sensor is an IoT wireless sensor developed based on LoRa wireless technology, with built-in SO2 sensor and temperature and humidity sensor. It uses electrochemical principles to monitor the sulfur dioxide concentration, temperature value, and humidity value in the environment in real time. It has the characteristics of high detection accuracy, stable performance, and low power consumption. Widely used in environmental monitoring, industrial emission monitoring, chemical plants and other fields.
This RS485-type ammonia temperature and humidity transmitter adopts the electrochemical principle, supports 5-28VDC wide voltage power supply, and features a wall-mounted waterproof design suitable for harsh environments. It has the characteristics of fast response, high sensitivity, and strong anti-interference. Calibrated with exclusive algorithms and standard gases, it has high precision and strong stability, with data updated every 2 seconds. It can real-time monitor ammonia (0-50/100ppm), temperature (-40~80℃), and humidity (0~99.9% RH), and is suitable for scenarios such as farms, chemical plants, and greenhouses. It supports the ModBus RTU protocol and is easy to install and use.
This RS485 Hydrogen Sulfide Transmitter is an industrial-grade gas detection device based on electrochemical sensing technology. It accurately measures hydrogen sulfide concentrations in the range of 0~50 ppm, while simultaneously monitoring temperature (-40~+80℃) and humidity (0~99.9% RH). Equipped with an RS485 interface and ModBusRTU protocol, it supports a wide voltage supply of 5~28VDC, weighs only 0.6kg, and operates stably in environments ranging from -20~60℃, making it ideal for industrial hydrogen sulfide monitoring scenarios.
The ZW-SO2 RS485 SO2 Gas Transmitter supports a wide voltage supply of 10-30VDC and has a power consumption of only 0.18W. It enables accurate measurement of SO₂, temperature, and humidity, with a default SO₂ range of 0-20.00ppm and a resolution of up to 0.1ppm. Featuring dual RS485/analog outputs, it operates stably at -20~50℃, resists condensation, and is ideal for SO₂ concentration monitoring in various industrial and environmental protection scenarios.