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Product Information Technical Specification Downloads

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 instrument

Afer, 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

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