WN90SDI Weather Station with SDI-12 Interface and Protocol
Features Wired SDI-12 interface for easy integration with professional data acquisition systems; Measures temperature, humidity, barometric pressure, rainfall, wind speed & direction, light, UV (no solar panel); Wind, gust, and direction measured every 1 second (WMO standard); other parameters every 8.5 seconds; battery voltage every 10 minutes; Sloped surface design(rain sensor) for improved rainfall accuracy; Temperature compensation design(US Patent No.12,181,491B2) reduces thermal interference from sunlight or heater power supply; Fully electronic, no-moving-parts design for long-term durability; Hardware Wiring:Red — VCC, DC 6V-12VBlack — GND power supplyGreen — SDI-12 IOWhite — Vacant Note on Internal Heating Function The WN90SDI includes a built-in thermostat that controls the internal heating plate: Automatically turns ON when the ambient temperature falls below 0°C (32°F) Automatically turns OFF when the temperature rises above 10°C (50°F) To activate the heating