Scientific Sales, Inc.

- Model 700-RW - Wind Speed and Direction Sensor, 4-20m-A Outputs

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The AerVane 4-20mA Outputs Wind Sensor was designed to meet or exceed the EPA guidelines for regulatory modeling applications. The balanced propeller is supported in stainless steel instrument ball bearings. The propeller drives a serrated disc which generates pulses in an optical switch. The direction is obtained through an optical resolver.

There is no “dead band” and the resolution and accuracy are ±1.0 degrees. There are no contacts or brushes in the assembly. The AerVane is made from anodized aluminum, stainless steel,ultraviolet inhibited PVC and Lexan plastic. 

The output is 4-20mA for wind speed and wind direction.  Voltage outputs optional.

The RainWise AerVane is guaranteed for five years.

  • Meets or exceeds EPA monitoring guidelines
  • Accuracy traceable to NIST
  • No direction dead band
  • Plug-in installation
  • 4-20mA Outputs

Wind Speed Specifications:

  • Range: 0-60 m/s (120 mph) Gust to 75 m/s (150 mph)
  • Accuracy: ±1.0%
  • Sensor: Five blade propeller - Lexan - uv inhibited
  • Distance constant: ≤ 3.0 meters (10 feet)
  • Threshold: 0.36 m/s (0.8 mph)
  • Transducer: Optical switch.
  • Frequency: 10 cycles per revolution.
  • 4-20mA Output

Wind Direction Specifications:

  • Range: 360 degrees - no dead band.
  • Resolution: 1.0 degree.
  • Accuracy: ± 1.0 degrees.
  • Sensor: Balanced Vane with a 33 cm. (13.0 inch) radius.
  • Delay distance: ≤ 5.0 meters.
  • Threshold: ≤ .5 m/s (1.0 mph) at 10 degree
  • 4-20mA Output

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