Geonica - Model 05103 -Wind Monitor

The wind direction sensor is a rugged yet lightweight vane with a sufficiently low aspect ratio to assure good fidelity in fluctuating wind conditions. Vane angle is sensed by a precision potentiometer housed in a sealed chamber. With a known excitation voltage applied to the potentiometer, the output voltage is directly proportional to vane angle. A mounting orientation ring assures correct realignment of the wind direction reference when the instrument is removed for maintenance.

The instrument is made of UV stabilized plastic with stainless steel and anodized aluminum fittings. Precision grade, stainless steel ball bearings are used. Transient protection and cable terminations are in a convenient junction box. The instrument mounts on standard 1 inch pipe.

For offshore and marine use, Model 05106, Wind Monitor-MA features special waterproof bearing lubricant and a sealed, heavy duty cable pigtail in
place of the standard junction box.

Separate signal conditioning for voltage or current outputs is available. The Wind Monitor is available with two additional output signal options. Model 05103V offers calibrated 0-5 VDC outputs, convenient for use with many dataloggers.

Model 05103L provides a calibrated 4-20 mA current signal for each channel, useful in high noise areas or for long cables (up to several kilometers). Signal conditioning electronics are integrated into the sensor junction box.

• Range
  Wind speed: 0-100 m/s
  Azimuth: 360° mechanical, 355° electrical (5° open)
• Accuracy
  Wind speed: ±0.3 m/s or 1% of reading
  Wind direction: ±3 degrees
• Threshold
  Propeller: 1.0 m/s (05103), 1.1 m/s (05106)
  Vane: 1.1 m/s
• Dynamic Response
  Propeller distance constant (63% recovery) 2.7 m
  Vane delay distance (50% recovery) 1.3 m
  Damping ratio: 0.3
  Damped natural wavelength: 7.4 m
  Undamped natural wavelength: 7.2 m
• Signal Output
  Wind Speed: magnetically induced AC voltage, 3 pulses per revolution. 1800 rpm (90 Hz) = 8.8 m/s
  Azimuth: analog DC voltage from conductive plastic potentiometer - resistance 10K Q, linearity 0.25%,life expectancy -50 million revolutions
• Power Requirement
  Potentiometer excitation 15 VDC maximum
  Model 05103L: 8-30VDC (40mA max)
  Model 05103V: 8-24VDC (5mA @ 12VDC)
• Operating Temperature
  -50 to 50 °C (05103)
  -50 to 60 °C (05106)
• Dimensions
  Overall height: 37 cm
  Overall length: 55 cm
  Propeller: 18 cm diameter
  Mounting: 34 mm diameter (standard 1 inch pipe)
• Weight
  Sensor weight: 1.0 kg
  Shipping weight: 23 kg