DFRobot - Ultrasonic 7-in-1 RS485 Weather Sensor (Wind, Rain, Temp, Light)

Tired of juggling multiple sensors for comprehensive weather data? This ultrasonic all-in-one RS485 7-in-1 Weather Station delivers precise environmental insights, simplifying setup and integration, especially with Arduino systems. Get reliable measurements for wind speed and direction, temperature, humidity, atmospheric pressure, light intensity, and rainfall from a single, robust unit.

Why Choose Ultrasonic 7-in-1 RS485 Weather Sensor (Wind, Rain, Temp, Light)?

• Professional-Grade Meteorological Sensor
• Replaces 7 Separate Sensors
• Single Cable Installation (RS485)
• Arduino/PLC/LoRaWAN Compatible

All-in-One Precision Sensing with Advanced Technology

Gain a complete environmental picture with seven crucial meteorological parameters measured by this single, integrated sensor. It features advanced ultrasonic wind sensing – meaning no moving parts for superior accuracy, longevity, and minimal maintenance – alongside a highly sensitive optical tipping bucket rain gauge (resolution 0.1mm, accuracy ±4%). This ensures you receive comprehensive and reliable data for all key weather conditions.

Figure: High Accuracy Optical Tipping Bucket Rain Gauge

Robust Industrial-Grade Design & Communication

Engineered for dependability in harsh outdoor environments, the UV-resistant, IP54 waterproof ABS housing ensures long-term performance. Data transmission is reliable and versatile thanks to the standard RS485 output and Modbus-RTU protocol, facilitating stable, long-distance communication and seamless integration into industrial control systems, LoRaWAN setups, and other data acquisition platforms.

Figure: RS485 Weather Station with IP54 waterproof ABS Housing

Versatile Powering & Simplified Arduino Integration

Benefit from installation flexibility with a wide DC 10V∼30V power input range. Getting started is straightforward, particularly for Arduino users, with the provided example tutorial enabling quick sensor performance verification and rapid data access for your projects.

Figure: RS485 Weather Station Detect 7 Crucial Meteorological Parameters

For Smart Agriculture / Greenhouse Automation:

• Automate ventilation based on temperature / humidity
• Trigger irrigation based on rainfall data
• Optimize lighting based on natural light intensity
• Predict frost risk with pressure/temperature trends

• Power Supply Voltage: DC 10V∼30V
• Working Current: ＜10mA
• Output Interface: RS485 (Modbus-RTU protocol)
• Measured Parameters: Ultrasonic Wind Speed & Direction, Temperature, Humidity, Atmospheric Pressure, Light Intensity, Rainfall
• Measurement Range:
       Wind Speed: 0∼40 m/s (Startup Wind Speed: 0.5 m/s)
       Wind Direction: 0∼359∘
       Humidity: 0∼99%RH
       Temperature: −40∘C∼80∘C
       Atmospheric Pressure: 0∼120 kPa
       Light Intensity: 0∼200000 Lux
       Rainfall Intensity: ≤4 mm/min
• Measurement Accuracy:
       Wind Speed: ±(0.5+2%FS) (60%RH,25∘C)
       Wind Direction: ±3∘ (60%RH,25∘C)
       Humidity: ±3%RH (60%RH,25∘C)
       Temperature: ±0.5∘C (25∘C)
       Atmospheric Pressure: ±0.15 kPa (101 kPa,25∘C)
       Light Intensity: ±7% (25∘C)
       Rainfall: ±4%
• Response Time:
       Wind Speed: 1s
       Wind Direction: 1s
       Humidity: ≤25s
       Temperature: ≤8s
       Atmospheric Pressure: ≤2s
       Light Intensity: ≤2s
• Long-Term Stability:
       Humidity: ≤1%/year
       Temperature: ≤0.1∘C/year
       Atmospheric Pressure: −0.1 kPa/year
       Light Intensity: ≤5%/year
• Protection Level: IP54
• Housing Material: ABS Polymer Plastic
• Sensor Cable Length: 14cm
• Adapter Cable Length: 150cm

• RS485 7-in-1 Weather Station Sensor x1
• Adapter Cable x1