Humidity sensor module high accuracy RS485 transmitter air humidity and temperature sensor Function: 1. Industrial-grade chip: The sensor probe adopts industrial-grade chip, ensuring stable and excellent performance.2. High Accuracy: High accuracy temperature and humidity sensor module ensures good reliability and interchangeability.3. RS485 interface: Using the RS485 hardware interface with lightning protection, the protocol layer is compatible with the industry standard RTU.4 protocol. Automatic transfer: the transmitter integrates communication protocol and common protocol, common protocol has automatic transfer function.5. ABS Case: The transmitter adopts excellent ABS shell, which has high hardness, pressure and drop resistance, strong and durable. Specification: Item Type: Humidity Sensor Module Material: ABS Operating Voltage: DC4-30V Power: 0.2W Operating Ambient Temperature: 20- 60 Control accuracy: temperature 0.3 , humidity 3% RH Output interface: RS485 Package list: 1 x Humidity Sensor Module Note: Please pay attention to correct operation. Please note that the new type and old type of this product will be shipped randomly, and please make sure You won't mind ordering.