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Phone:- (603) 726-7500Fax:- (603) 726-7502

A75-302 Wind Vane

Model A75-302 Wind Vane
Use: General Monitoring


  • Wind direction sensor for wind data loggers
  • Meteorological studies
  • Yaw control on wind turbines
  • Environmental monitoring
  • Crane and lift operations wind monitoring


  • 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


Range: Direction - 360° continuous rotation
Threshold: 1.0 m/s (2.2 mph) 
Materials: Direction vane and housing Black UV stabilized injection molded polycarbonate. Bronze balance weight. Terminals three 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.) 

Overall length - 21 cm (8.3 in) 
Swept diameter - 25.9 cm (10.2 in) 
Overall height - 11.4 cm (4.5 in) 
Vane Size - 6 cm H x 10 cm L 
(2.3 in x 3.8 in.) 
Main housing diameter - 5 cm  
(2 in)
2.5mm anti-icing drip overhang
Mounting: 13 mm (0.5 in) diameter 
mast with cotter pin and mast set screw.

Range: Deadband 3-5 degrees.
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   Phone: (603) 726-7500      Fax: (603) 726-7502                                                                              Comptus®           
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