OTT HydroMet

- Model WS10 - Smart Weather Sensor

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All-in-one weather sensor with measurement of temperature, relative humidity, air pressure, wind velocity / direction, precipitation amount / intensity / type, UV index, sun direction, brightness and twilight and global radiation.

The All-in-One Weather Sensor WS10 covers 10 parameters simultaneously. It‘s particularly suitable for building automation, smart city applications and solar rooftops. The data transfer takes place via Wi-Fi or RS485.

  • Parameters measured: air temperature, relative humidity, air pressure, wind direction / velocity, precipitation amount / intensity / type, UV index, sun direction, brightness, twilight and radiation
  • Measurement technology: PTC, capacitive, Doppler radar, silicon pyranometer, thermal
  • Product highlights: Compact, multiparameter, economic, with dome heating, maintenance-free, open communication protocol, good price performance ratio
  • Interfaces: RS485, 2-wire, half-duplex; WLAN; supporting Modbus, UMB, UMB ASCII 2.0 protocol

Advantages of the Smart All-in-One Weather Sensor WS10
  • Compact casing combining 10 measurement parameters with only one cable connection
  • Easy data transfer via Wi-Fi and RS485
  • Maintenance-free - no moving parts that can wear out
  • User-friendly installation and operation (e.g. via Weather Underground platform)
  • Built-in data pre-processing, universal interfaces and selectable output protocols (UMB, Modbus, ASCII2)
  • Compatible with many building control systems
  • Integrated dome heater
  • Good price performance ratio

Examples of use of the Smart All-in-One Weather Sensor WS10
  • Building automation
  • Smart home applications
  • Smart city applications
  • C&I Solar Roof Tops
  • For the development of a dense surveillance network in urban areas.

  • General :
  • Housing :
  • Dimensions : 13 x 145 x 227 mm
  • Weight : 0.5 kg
  • Protection class : IP67
  • Electrical parameters :
  • Input voltage range : 9-36 VDC
  • Power consumption (without dome heating) : 120 mA (at still air @24V); 360 mA (from ~7 m/s wind @24V)
  • Dome heating : 24VA @ 24VDC
  • Max. input power : 32.5VA @ 24VDC
  • Envrionmental conditions :
  • Permissible rel. humidity : 0 ... 100%
  • Permissible operating temperature : -40 ... +60°C / -40 ... +140°F
  • Communication :
  • Interfaces : RS485, 2-wire, half-duplex;
  • WLAN (2.4 GHz; 802.11b/g/n
  • Protocols : Modbus, UMB, UMB ASCII 2.0
  • Compass :
  • Measurement range : 360 °
  • Accuracy : ±10 %
  • GPS :
  • Accuracy : ±5m (50% CEP)
  • Temperature :
  • Principle : PTC
  • Measurement range : -40 ... +60°C / -40 ... 140°F
  • Relative humidity :
  • Accuracy : ±1.0°C (@ +5 ... +60°C), otherwise <±2.0°C
  • Principle : Capacitive
  • Measurement range : 0 ... 100 % RH
  • Accuracy : ±5% (at 20 °C and <80 % rH)
  • Precipitation :
  • Principle : Doppler Radar
  • Measurement range : 0 ... 100mm/h
  • Accuracy : 20% under laborary conditions
  • Precipit. type : Rain, snow, sleet, freezing rain, hail
  • Global radiation :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 1500 W/ m²
  • Accuracy : 10% or @ ±120 W/m², the greater value applies
  • Sun direction :
  • Principle : Calculated
  • UVA / UVB index :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 15 UV index
  • Brightness (ambient light sensor) :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 160 klx
  • Accuracy : ±5% of the measured value
  • Twilight :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 500 lx
  • Accuracy : ±10 lx
  • Air pressure :
  • Principle : Capacitive
  • Measurement range : 300 ... 1100 hPa
  • Accuracy : ±0.5 hPa (@ room temp. 25 °C / 77 °F)
  • Wind direction :
  • Principle : Thermal
  • Measurement range : 0 ... 359.9°
  • Accuracy : ±10 °
  • Wind velocity :
  • Principle : Thermal
  • Measurement range : 0 ... 40m/s (0 ... 90 mph)
  • Accuracy : ±1 m/s (2.2 mph) or 5%, the greater value appliesGeneral :
  • Housing :
  • Dimensions : 13 x 145 x 227 mm
  • Weight : 0.5 kg
  • Protection class : IP67
  • Electrical parameters :
  • Input voltage range : 9-36 VDC
  • Power consumption (without dome heating) : 120 mA (at still air @24V);
  • 360 mA (from ~7 m/s wind @24V)
  • Dome heating : 24VA @ 24VDC
  • Max. input power : 32.5VA @ 24VDC
  • Envrionmental conditions :
  • Permissible rel. humidity : 0 ... 100%
  • Permissible operating temperature : -40 ... +60°C / -40 ... +140°F
  • Communication :
  • Interfaces : RS485, 2-wire, half-duplex;
  • WLAN (2.4 GHz; 802.11b/g/n
  • Protocols : Modbus, UMB, UMB ASCII 2.0
  • Compass :
  • Measurement range : 360 °
  • Accuracy : ±10 %
  • GPS :
  • Accuracy : ±5m (50% CEP)
  • Temperature :
  • Principle : PTC
  • Measurement range : -40 ... +60°C / -40 ... 140°F
  • Relative humidity :
  • Accuracy : ±1.0°C (@ +5 ... +60°C), otherwise <±2.0°C
  • Principle : Capacitive
  • Measurement range : 0 ... 100 % RH
  • Accuracy : ±5% (at 20 °C and <80 % rH)
  • Precipitation :
  • Principle : Doppler Radar
  • Measurement range : 0 ... 100mm/h
  • Accuracy : 20% under laborary conditions
  • Precipit. type : Rain, snow, sleet, freezing rain, hail
  • Global radiation :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 1500 W/ m²
  • Accuracy : 10% or @ ±120 W/m², the greater value applies
  • Sun direction :
  • Principle : Calculated
  • UVA / UVB index :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 15 UV index
  • Brightness (ambient light sensor) :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 160 klx
  • Accuracy : ±5% of the measured value
  • Twilight :
  • Principle : Silicon pyranometer
  • Measurement range : 0 ... 500 lx
  • Accuracy : ±10 lx
  • Air pressure :
  • Principle : Capacitive
  • Measurement range : 300 ... 1100 hPa
  • Accuracy : ±0.5 hPa (@ room temp. 25 °C / 77 °F)
  • Wind direction :
  • Principle : Thermal
  • Measurement range : 0 ... 359.9°
  • Accuracy : ±10 °
  • Wind velocity :
  • Principle : Thermal
  • Measurement range : 0 ... 40m/s (0 ... 90 mph)
  • Accuracy : ±1 m/s (2.2 mph) or 5%, the greater value applies

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