Humidity Sensor | RS485 Modbus Transmitter | SHT40 Probe XY-MD02

This XY-MD02 is an industrial RS485 temperature and humidity sensor for monitoring environments. It uses an SHT40 sensor and Modbus RTU protocol. You can integrate it into control systems for HVAC and data logging. Features and Benefits - SHT40 Sensing Element - Measures temperature within ±0.2°C and humidity within ±1.8% RH. This gives you exact data. - RS485 Communication - Sends data up to 1200 meters. It resists electrical noise, which is good for large or industrial places. - Standard Modbus RTU Protocol - Connects easily to PLCs, HMIs, and microcontrollers like Arduino for data collection. - Wide 5-30V DC Power Input - Works with power supplies you already have in your system. Applications - Industrial Automation: Watch conditions in warehouses, server rooms, and manufacturing areas. - HVAC Systems: Use it as a temperature humidity transmitter for building climate control. - Agricultural Monitoring: Put this digital humidity sensor RS485 in greenhouses or weather stations to track growing conditions. What It Is This is a Humidity Sensor Module that uses an SHT40 Sensor Type. It functions as an RS485 Modbus Transmitter. The device measures humidity and communicates this data using the Modbus protocol, delivering an RS485 Analog output signal. Humidity sensors generally work by detecting changes in electrical current or resistance caused by the absorption of water vapour. This particular module is designed for integration into systems requiring digital communication of humidity levels. Key Uses & Applications The Humidity Sensor Module is suitable for applications where precise humidity monitoring and digital data transmission are required. Its RS485 Modbus communication protocol makes it ideal for industrial control systems, building management systems, and environmental monitoring. Potential uses include monitoring conditions in data centres, greenhouses, storage facilities, and HVAC systems. It can be integrated with micro-controllers for automated climate control or data logging. How to Choose When selecting a humidity sensor, consider the required communication protocol and output signal. This product offers Modbus communication and RS485 Analog output, which is suitable for industrial and automated systems. Evaluate the sensor type; this module uses an SHT40, known for its accuracy. For applications requiring calibration, ensure the chosen sensor or system allows for this process. Generally, humidity sensors are calibrated against known humidity standards to ensure accurate readings. Grit / Spec Guide This Humidity Sensor Module features an SHT40 Sensor Type. It communicates via the Modbus protocol, providing an RS485 Analog output signal. These specifications indicate its suitability for digital integration into existing control networks. The product functions specifically as a humidity sensor, designed to detect and transmit humidity data. Understanding these core specifications is crucial for ensuring compatibility with your existing systems and meeting your specific environmental monitoring requirements. Care & Safety Ensure the Humidity Sensor Module is installed in an environment within its operating parameters to prevent damage and ensure accurate readings. Protect the SHT40 probe from direct water splashes or prolonged exposure to condensing humidity, which could affect its performance or lead to a faulty sensor. When handling, avoid touching the working sensor element directly. There are no specific user calibration instructions for this module, but system-level calibration of connected equipment may be necessary for optimal accuracy.