Automatic Weather Station
Automatic Weather Station
Automatic Weather Station
Automatic Weather Station
Automatic Weather Station Automatic Weather Station Automatic Weather Station Automatic Weather Station
SEBA Automatic Weather Station
  • WMO Compliant
  • Robust weather station consisting of meteorological sensors, SEBA measuring data collector, data transmission (optional), independent power supply, protective housing and a mast
  • Sensors: precipitation, air pressure, air temperature /humidity, wind direction /speed, soil temperature, global radiation, evaporation, snow depth, snow scales, snow temperature, etc.

Modular:
The automatic SEBA weather station AWS is a modular system that can be individually configured as desired. Here, the AWS is particularly distinguished by the wide range of durable, high-quality (first-class) sensors.

Data available worldwide:
In addition to the common and inexpensive remote transmission via mobile radio (GSM, GPRS), for example with the GSM modem GSM742, also satellite modems, such as IRIDIUM are available and they enable worldwide data transmission.

Self-sufficient:
Owing to the low power consumption of sensors, data collectors and data transmission, an autonomous power supply system using (replaceable) batteries or solar panels can easily be feasible. 

Directive-Compliant:
The specifications of the sensors used and the systematic structure of the AWS adheres to the standards of the World Meteorological Organization (WMO). Due to these high standards, AWS has been successfully used for decades on all continents and in all climates.

N/A

Parameters: Precipitation [mm] [mm/h]

Sensor

Measurement principle: Tipping scales

Collecting area: 200cm² /WMO standard, 400 cm² (option)

Measuring accuracy: 2-5% typical, depending on the rain intensity

Dissolution: 1 pulse? 0.1mm ?  0.1 l /m², 1 pulse = 0.2 mm (option)

Output signal: Pulse (reed contact), debounced

Housing

Material: Aluminium, painted

Tipping scales: Plastic

Dimensions: Height: 246mm, Ø205mm

Weight: 3.9kg

Fastening: 2" supporting column, mast-boom

 

Funnel heating

Heating power: 15W

(Option)

Power supply: 24VDC

Operating temperature: -20°C - +60°C

 

Parameters: Humidity [% RH]

Sensor: Humidity measuring transducer 

Measurement principle: Capacitive

Measuring range: 0-100% RH

Measuring accuracy: ±2.5% 

Output: 0-1V

Material: Aluminium

Dimensions: Ø12mm, 140mm length

Housing

Material: PC white, aluminum, stainless steel

Dimensions: Ø190mm, 160mm height

Fastening: Mast-boom

Power supply: 3.6-30VDC

Operating temperature: -40°C - + 60°C

 

Parameters: Air temperature [°C]

Sensor: Air temperature sensor

Measurement principle: Resistive

Measuring range: -40°C - + 50°C

Measuring accuracy: ± 0.3°C (at 20°C)

Output: 3.6-30VDC

Material: Aluminium

Dimensions: Ø12mm, 140mm length

Housing

Material: PC white, aluminum, stainless steel

Dimensions: Ø190mm, 160mm height

Fastening: Mast-boom

Power supply: 3.6-30VDC

Operating temperature: -40°C - + 60°C

 

Note: for combined air temperature/humidity sensors, technical data, see above

 

Parameters: Air pressure [hPa]

Sensor: Barometric sensor

Measurement principle: Absolute pressure

Measuring range: 10-1100 hPa

Measuring accuracy:

Absolute accuracy: ±1.5 hPa (700…1100 hPa, 25°C)

Relative Accuracy: ±0.5 hPa (700…1100 hPa, 25°C) 

Temperature error: ±1 hPa, 0…+50°C  +3/-1 hPa, -40°C…+85°C 

Output:4-20mA

Housing

Material: Aluminium

Dimensions: 62x56x33mm (LxWxH)

Protection class:IP65

Fastening: Mast-boom

Power supply:10-28VDC

Operating temperature: -40°C - +85°C

 

Parameters: Wind direction [°]

Sensor: Wind direction sensor

Measurement principle: Non-contact, magnetic scanning system

Measuring range: 0-360 °

Measuring accuracy: +/- 2.5°

Output: 4-20 mA

Heating: AC/DC 24V self-regulating (option)

Housing

Material: Aluminium

Dimensions: Length of wind vane: 338 mm

Height of the wind vane: 86 mm

Overall height: 405 mm

Protection class: IP64

Fastening: Traverse

Power supply: 24 VDC +/-25%, max. 21 mA

Operating temperature: -40°C - +70°C

 

Parameters: Wind speed [m/s]

Sensor: Shell anemometer

Measurement principle: Non-contact, magnetic scanning system

Measuring range: 0-75 m/s

Measuring accuracy: ± 0.5 m/s

Output: 4-20 mA

Heating: AC/DC 24V self-regulating (option)

Housing

Material: Aluminium

Dimensions: Ø 212 mm, height 130 mm

Protection class: IP64

Fastening: Traverse

Power supply: 24 VDC -25…+50%, max. 10 mA

Operating temperature: -40°C…+70°C

 

Parameters: Wind speed [°] [m/s]

Sensor: Combined sensor for wind speed and direction

Wind direction

Measurement principle: Ultrasound

Measuring range: 0-359°

Measuring accuracy: ± 3 °

Output: SDI-12

Wind speed

Measurement principle: Ultrasound

Measuring range: 0…60 m/s

Measuring accuracy: ± 2%

Output: SDI-12

Material: Luran (plastic)

Dimensions: 142 x 160 mm

Protection class: IP65

Fastening: Mast mounting

Power supply: 9…30 VDC @ 14.5 mA

Operating temperature: -35°C - +70°C

 

Parameters: Evaporation [mm]

Sensor: Evaporation pan "Class A"

Potentiometer PG113

Measurement principle: Float / counterweight

Measuring range: 0-300mm

Measuring accuracy: 1 mm

Output: 0-1V

Housing

Material: V2A, stainless steel

Dimension Pan: Ø1206.5mm, 25mm height

Float tube: Ø346mm, 1000mm height

Protection class: IP54

Power supply: 5-24 VDC

Operating temperature: 0°C - +70°C

 

Parameters: Solar and global radiation [W/m²]

Sensor: Star pyranometer in accordance with Dirmhirn

Measurement principle: Pyranometric

Spectral range: 0.3 - 3µm

Measuring range: 0 - 1500 W/m²

Measuring accuracy: 1% / ° C

Output: 15 µV / W/m²

Material: Anodised aluminum

Dimensions: Ø159mm, height 75mm

Protection class: IP65

Power supply: none

Operating temperature: -40°C - + 60°C

 

Parameters: Solar and global radiation [W/m²]

Sensor: Global radiation transmitter

Measurement principle: Pyranometric

Spectral range: 285 - 3000 nm

Sensitivity (nominal): 15 x 10-6 V/(W/m2)

Material: Anodised aluminum

Dimensions: Ø78mm, 59mm Höhe

Protection class: IP65

Power supply: None

Operating temperature: -40°C - + 80°C

 

Parameters: Ground temperature [° C]

Sensor: Ground temperature sensor 

Measurement principle: Resistive

Measuring range: -30°C - +70°C

Measuring accuracy: ± 0.3°C 

Case depths: 20 /30 /60 /110 /160 /210 /310mm

Output: 0-100mV Material: Plastic

Dimensions: ø 10mm x 50mm

Power supply: 5-24VDC

Operating temperature: -30°C - +70°C

 

Parameters: Ground temperature [° C]

Sensor: Ground temperature sensor 

Measurement principle: Resistive

Measuring range: 0-25°C or -5°C - + 50°C

Measuring accuracy: ± 0.1°C 

Case depths: 10m

Output: 0-1V

Material: 1.4404 stainless steel

Dimensions: Ø22x179

Power supply: 5-24VDC

Operating temperature: -5°C - + 60°C

 

Parameters: Snow temperature [°C]

Sensor: Multi-sensor system snow temperature

9 temperature sensor on mast mounting

Measurement principle: Resistive

Measuring range: - 30°C - + 50 °C

Measuring accuracy: ± 0.1°C 

Output: 0-1V

Material: Aluminium, 1.4404 stainless steel, PEEK plastic

Dimensions: Ø320mm x 3000mm

Protection class: IP66

Power supply: 7-30 VDC

Operating temperature: -5°C - + 60°C

 

Parameters: Snow height [m]

Sensor: Ultrasonic sensor

Measurement principle: Ultrasound 

Measuring range: 0,7-10 m

Measuring accuracy: 0.1% FS

Output: 2x analogue 4-20mA, SDI-12, RS-485, RS-232, Modbus RTU

Material: Anodised aluminium

Dimensions:  Ø180mm, length: 320mm

Protection class: IP64

Compensation of
air temperature

Sensor: Air temperature sensor

external sensor in an air-cooled radiation shield

Measurement principle: NTC semiconductor element

Measuring range: -35°C - +60°C

Measuring accuracy: 0.15%

Power supply: 10.5-15 VDC

Operating temperature: -40°C - + 60°C

 

Parameters: Snow water equivalent (SWE) measurement [kg/m²]

Sensor: Snow level

Measurement principle: Weighing principle

Measuring range: 0-200kg/m², 0-500kg/m², 0-1000kg/m²

Measuring accuracy: 0.3%

Output: 4-20mA

Material: Sheet steel

Dimensions: 2800x2400x70mm

Protection class: IP68

Power supply: 11-30 VDC

Operating temperature: -40°C - + 80°C

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