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Product InformationTechnical SpecificationDownloads
anemometer, cup anemometer, direction wind, , meteorological instrument,  sensor wind,  speed meter, weather equipment, weather instrument, wind anemometer, wind direction indicator, wind meter, wind speed indicator, wind indicator, wind speed meter, weather station equipment, weather measuring instrumentAfer, Model A75-302 Wind Vane Accuracy: Approx. 1 m/s (2.2 mph)
Use: General Monitoring
Durability Rating: 8
APPLICATIONS: 
  • Meteorological studies
  • Wind direction sensor for wind data loggers
  • Yaw control on wind turbines
    Environmental monitoring

FEATURES 

  • Simple mechanical construction
  • Long life, professional quality potentiometer
  • No slip rings or brushes result in high reliability and low cost
  • Corrosion resistant materials
  • Multiple mechanical and contact seals
  • No set screws to vibrate loose
  • Very stable and smooth response to wind changes
  • Fully balanced sensor vane
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TECHNICAL SPECIFICATION:

Range: Direction - 360° continuous rotation
Sensitivity: Approx. 1 m/s (2.2 mph) 
Materials: Direction vane and housing Black UV stabilized injection molded polycarbonate. Balance weight stainless steel. Terminals three #4-40 solid brass studs with nuts.
Potentiometer stainless steel shaft in two shielded precision grade, stainless steel ball bearings, conductive plastic potentiometer element mounted in a machined aluminum housing.
Hardware: All stainless steel construction. 
Weight: 0.1 kg (0.25 lb.) 
Dimensions: Overall length - 21 cm (8.3 in)
Swept diameter - 27 cm (1.05 in)
Overall height - 12 cm (4.3 in)
Vane Size - 6 cm H x 10 cm L
(2.3 in x 3.8 in.)
Main housing diameter - 5 cm 
(2 in)
Mounting: 13 mm (0.5 in) diameter 
mast with cotter pin and mast 
set screw.
Electrical:  
Range: Direction - 352° electrical (8 degrees open)
Signal: Analog DC voltage from conductive plastic potentiometer resistance 10K; linearity 1.0%, life expectancy of 50 million revolutions (4-6 years normal operation)
Power Requirements: Regulated potentiometer excitation of 1 to 15VDC
Product Specification Sheet:  Model A75-302 Wind Vane