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.
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.
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.
