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Vela™ Weather Station

Combining the ease of an all-in-one sensor package with the reliability and affordability of mechanical wind sensors, the Vela Weather Station provides:

  • proven, reliable wind speed and direction sensor technology,
  • temperature and humidity sensors in a radiation shield,
  • solid state barometric pressure sensor, and
  • optional tipping bucket rain gauge

The Vela Weather Station features:

  • Multi-Sensor Design -- easy installation with a single sensor cable
  • Low Power Consumption -- ideal for battery or solar-powered installations
  • One-year Warranty

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Weather Monitoring Options

Communication Options

Accessories

Alternate Fixed-Mount Weather Stations

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Vela Weather Monitoring System Diagram

Vela Weather Station Diagram


Wind Direction and Speed

The Vela features a durable aluminum/stainless steel wind direction and speed sensor using a three-cup anemometer for accuracy, sensitivity, and durability and a lightweight vain tail for low starting threshold.

Wind Speed Range: 0 - 50 m/sec

Wind Speed Resolution: 0.1 m/sec

Wind Speed Accuracy: ± 2%

Wind Speed Threshold: 1 m/sec

Wind Direction Range: 0 - 360°

Wind Direction Resolution:

Wind Direction Accuracy: ± 5°

Wind Direction Threshold: 1 m/sec

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Barometric Pressure

A solid state pressure sensor built into the sensor electronics provides accurate measurement of barometric pressure changes over a wide range. Electronic temperature compensation is included for highest accuracy over the operating temperature of the sensor.

Accuracy: ± 2 mbar

Range: 500-1100 mbars

Resolution: 0.1 mbar

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Temperature and Humidity

Both temperature and humidity are built into the temperature shield at the bottom of the sensor package. The integral shield limits errors due to solar radiation. The RH sensor is a capacitive element enclosed in a protective membrane.

Temperature Range: -40 to +60°C (-40 to +140°F)

Temperature Resolution: 0.01°C

Temperature Accuracy: ± 5°C

Humidity Range: 0 to 100%

Reporting Resolution: 1% RH

Humidity Accuracy: ± 4%

 

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Optional Rainfall

Capricorn 2000 Weather Station Automatic Rain Gauge The tipping bucket electric rain gauge is composed of a complex spun collector funnel with a knife edge that diverts the water to a tipping bucket mechanism. For each tip, a magnet causes an electronic pulse that is recorded. The rainfall sensor is completely automatic - spent water drains out of the bottom of the housing, hence, the instrument requires no servicing.

Accuracy: ±1% at 2 in./hr or less

Resolution: 0.01 inch

Heated rain gauge is available.

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System Specifications Summary

Wind Speed

Accuracy: ± 2%
Resolution: 0.1 m/sec
Range: 0 to 50 m/sec
Threshold: 1 m/sec

Wind Direction

Resolution: 1 degree
Range: 0 to 360 degrees
Accuracy: ± 5 degrees
Threshold: 1 m/sec

Temperature

Accuracy: ± 5°C
Resolution: 0.01°C/F
Range: -40 to +60°C (-40 to +140°F)

Barometric Pressure
Accuracy: ± 2 mbar
Range: 500 - 1100 mbars
Resolution: 0.1 mbar

Relative Humidity
Accuracy: ± 4%
Reporting Resolution: 1% RH
Range: 0 to 100%
Rainfall
Accuracy: ±1% at 2 in./hr. or less
Resolution: 0.01 inch

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