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.
ZONEWU the methane transmitter designed by our company has strong safety, fast response speed, and strong anti-interference ability. After our company's unique compensation algorithm and multi-stage standard gas calibration, it also has the characteristics of long life, high precision, high repeatability, and high stability. Suitable for real-time monitoring of methane concentration in underground pipe galleries, underground parking lots, public toilets, garages, workshops, chemical plants, greenhouse farms, and other places. The device adopts a wide voltage 10-30V DC power supply, 485 signal output, standard ModBus RTU communication protocol, ModBus address can be set, baud rate can be changed, and the communication distance is up to 2000 meters.
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.
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.
This RS485 Formaldehyde Temperature and Humidity Transmitter is equipped with a high-precision electrochemical sensor, supporting the monitoring of formaldehyde concentration (0-5ppm), temperature (-40℃~+80℃), and humidity (0~100% RH). With a resolution of 0.01ppm, it boasts high measurement accuracy and rapid response. Adopting the ModBus-RTU protocol, the device offers a maximum communication distance of 2000 meters and features a wide DC voltage supply range (10-30V) for multi-scenario adaptation. Its waterproof wall-mounted design enables easy installation, and an optional OLED display is available. Supporting 24/7 continuous online monitoring, it is widely applicable in industrial environments, air purification equipment, and other scenarios.
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.
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.
