u[sonic]WS7 Modbus

Weather sensor

User-friendly all-in-one solution with Modbus interface. Records six weather parameters including global radiation in accordance with ISO 9060:2018 Class C. The dew point is calculated automatically.

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Possible applications

  • Professional meteorological applications
  • Onshore and offshore wind turbines
  • Building and environmental technology
  • Traffic and industrial meteorology
  • Wind warning and event technology
  • Large-scale photovoltaic systems
  • Alpine applications

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Product advantages

The user-friendly all-in-one solution

The u[sonic]WS7 Modbus is the most compact and versatile sensor in the LAMBRECHT meteo weather sensor series. It measures wind direction and speed using ultrasonic measurements. It also provides data on global radiation, air temperature, humidity, and air pressure; the dew point is also calculated. The temperature and humidity sensor's vane shelter protects against unwanted weather influences, ensuring even more accurate measurements. The sensor's Modbus connection allows for easy integration into existing systems and facilitates communication with other devices.

  • Measurement standard for global radiation: Spectrally flat Class C (ISO 9060:2018), moderate quality (WMO No. 8)
  • Smart heating that depends on wind speed and direction
  • Lamella protective shelter for precise measurements of the temperature and humidity sensor
  • No moving measuring elements, therefore no wear
  • Easy installation and high serviceability
Facts, figures and data

Everything at a glance

Professional Line u[sonic]WS7 Modbus
ID No. 00.16480.001130
Measuring range wind direction 0...359.9°
Meas. range wind speed 0...65 m/s
Measure air temperature range -40...+70 °C
Meas. range relative humidity 0...100 %
Meas. range barometric pressure 300...1100 mbar
Measurement range global radiation 0...2000 W/m2; global radiation within range of 285...3000 nm
Accuracy of wind direction < 2° (> 1 m/s) RMSE
Accuracy wind speed ± 0.2 m/s RMSE (v < 10 m/s); ± 2% RMSE (10 < v < 65 m/s)
Accuracy air temperature ± 0.1K (0...60 °C); ± 0.2K (-40...0 °C) > 2 m/s
Accuracy relative humidity Typically ± 1.5% (0...80%); ± 2% (> 80%)
Accuracy of barometric pressure ± 0.5 mbar
Resolution wind direction 0.1°
Resolution wind speed 0.1 m/s
Resolution air temperature 0.1 °C
Resolution relative humidity 0.1 %
Resolution of barometric pressure 0.1 mbar
Resolution global radiation 0.2 W/m2
nonlinearity < ± 1% (100...1000 W/m2)
Trigger threshold 0.1 m/s
Protocols Modbus RTU
Interface RS485
Measuring rate 0.1...10 Hz
Operating conditions -40...+70 °C (with heating: -50...+70); 0...100% relative humidity
Strongest wind impact velocity 100 m/s
Supply voltage Without heating: 6...60 VDC; with heating: 24 V AC/DC ± 20 %
Current consumption Sensor: typically 50 mA at 24 VDC; with heating: max. 10 A at 24 V AC/DC
Meas. element global radiation Thermopile made from high-quality thermocouples
Measurement principle: global radiation Thermoelectric
Heating data 60 W
Dimensions Ø 7.5 inches; height 11.2 inches
Housing Aluminum resistant to seawater
Protection class IP66, IP67
Weight Approx. 3.4 kg
Standards Salt fog: EN 60945; Low voltage guideline: 72/23 EEC
Measurement standard for global radiation: Spectrally flat Class C (ISO 9060:2018), moderate quality (WMO-No. 8)
EMC standards / Electrical safety DIN EN 60945; DIN EN 61000-4-2, 3, 4, 6, 11
Accessories (order separately) 32.14567.060010 Sensor cable, 15 m, 4-pin M12 plug
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  • Large, graphic-capable display with good readability and backlighting
  • Contrast and brightness adjustable
  • Variety with waterproof front plate design
  • Low mounting depth
  • Galvanically isolated supply and signal channels
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  • WMO-compliant wind measurement and gust calculation
  • Optimized internal system monitoring for early problem detection
  • Maximum versatility with 250 simultaneous measurements
  • Dual modem support for reliable and seamless data transmission
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Browser app met[APP]

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  • Displays the instantaneous values of your LAMBRECHT weather station
  • Exports the measured values stored by the met[LOG]
  • Configures the met[LOG]

Features and benefits

  • Real-time access to measurement data via integrated web server, visualized in your browser with met[APP]
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