{"title":"DFRobot SEN0658 9-in-1 Ultrasonic RS485 Weather Sensor","handle":"ultrasonic-9-in-1-rs485-weather-sensor-for-arduino-wind-temp-light-noise","url":"/products/ultrasonic-9-in-1-rs485-weather-sensor-for-arduino-wind-temp-light-noise","description":"Bring multiple environmental measurements into one rugged field sensor for Arduino, IoT and monitoring projects. This 9-in-1 unit measures ultrasonic wind speed and direction, air temperature, relative humidity, atmospheric pressure, light intensity, noise, PM2.5 and PM10.Ultrasonic wind sensing means there are no moving parts to wear out, helping reduce maintenance for outdoor deployments. The sensor is built into a UV-resistant, waterproof ABS polymer plastic housing with an IP54 protection rating, and it accepts a wide DC 10~30V power input for flexible installation.Data is sent over RS485 using the Modbus-RTU protocol, making it suitable for PLCs, data loggers and IoT platforms such as LoRaWAN gateways. An Arduino example tutorial and product wiki are provided, and the package includes the RS485 9-in-1 Weather Station Sensor and an adapter cable.Typical applications include meteorological observation, smart agriculture, greenhouse management, industrial automation, maritime monitoring, urban air-quality stations and smart building infrastructure.Features:9-in-1 sensing: Measures ultrasonic wind speed, wind direction, air temperature, relative humidity, atmospheric pressure, light intensity, noise levels, PM2.5 and PM10.Ultrasonic wind measurement: No moving parts, minimising wear and eliminating on-site calibration needs.Outdoor housing: UV-resistant and waterproof ABS polymer plastic housing with IP54 rating.Wide power input: DC10~30V power supply input range for installation flexibility.RS485 communication: Uses RS485 interface and Modbus-RTU protocol for stable, long-distance data transmission.System integration: Suitable for PLCs, data loggers and IoT platforms like LoRaWAN for remote cloud-based monitoring.Arduino support: Arduino example tutorial is provided for setup and performance verification.Included items: RS485 9-in-1 Weather Station Sensor x1 and Adapter Cable x1.Specifications:Power Supply: DC 10~30VWorking Current: <50mAOutput Interface: RS485 (Modbus-RTU protocol)Measured Parameters: Ultrasonic Wind Speed & Direction, Temperature, Humidity, Atmospheric Pressure, Light Intensity, Noise, PM2.5, PM10Measurement Range - Wind Speed: 0~40 m/s (Startup: 0.5 m/s)Measurement Range - Wind Direction: 0~359°Measurement Range - Humidity: 0~99%RHMeasurement Range - Temperature: -40°C ~ 80°CMeasurement Range - Atmospheric Pressure: 0~120 kPaMeasurement Range - Light Intensity: 0~200,000 LuxMeasurement Range - Noise: 30~120 dBMeasurement Range - PM2.5: 0~1000 µg/m³Measurement Range - PM10: 0~1000 µg/m³Measurement Accuracy - Wind Speed: ±(0.5+2%FS) (Conditions: 60%RH, 25°C)Measurement Accuracy - Wind Direction: ±3° (Conditions: 60%RH, 25°C)Measurement Accuracy - Humidity: ±3%RH (Conditions: 60%RH, 25°C)Measurement Accuracy - Temperature: ±0.5°C (Conditions: 25°C)Measurement Accuracy - Atmospheric Pressure: ±0.15 kPa (Conditions: 101kPa, 25°C)Measurement Accuracy - Light Intensity: ±7% (Conditions: 25°C)Measurement Accuracy - Noise: ±0.5 dB (Reference: 94dB@1kHz)Measurement Accuracy - PM2.5: Particle Counting Efficiency: 50%@0.3µm, 98%@≥0.5µm; Accuracy: ±3%FS (@100µg/m³, 25°C, 50%RH)Response Time - Wind Speed: ≤1sResponse Time - Wind Direction: ≤1sResponse Time - Humidity: ≤1sResponse Time - Temperature: ≤1sResponse Time - Noise: ≤1sResponse Time - Atmospheric Pressure: ≤2sResponse Time - Light Intensity: ≤2sResponse Time - PM2.5: ≤90sResponse Time - PM10: ≤90sLong-Term Stability (per year) - Humidity: ≤1%Long-Term Stability (per year) - Temperature: ≤0.1°CLong-Term Stability (per year) - Atmospheric Pressure: -0.1 kPaLong-Term Stability (per year) - Light Intensity: ≤5%Long-Term Stability (per year) - Noise: ≤3 dBLong-Term Stability (per year) - PM2.5: ≤1%Long-Term Stability (per year) - PM10: ≤1%Protection Level: IP54Housing Material: ABS Polymer Plastic (UV-resistant, waterproof)Sensor Cable Length: 14cmAdapter Cable Length: 150cmA strong choice for makers and integrators building weather stations, greenhouse controllers, smart-city nodes or local air-quality monitoring systems.","vendor":"DFRobot","product_type":"Weather Sensor","in_stock":true,"options":[],"variants":[{"id":15971,"title":"Default Title","sku":"DF-SEN0658","mpn":"SEN0658","price":563.0,"on_sale":false,"in_stock":true,"available_quantity":26}]}