Texas Electronics TDV-4 Wind Speed & Direction Light Duty Sensor, Raw Signal

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The Texas Electronics, Inc. TDV-4 Wind Speed & Direction Sensor is a mechanical style wind meter that measures both the horizontal wind azimuth and velocity of wind. This cup anemometer combines small physical size with superior bearings to meet the EPA's Prevention of Significant Deterioration (PSD) starting threshold requirements. The direction sensor consists of a vane and counterweight assembly, which is mechanically coupled to a potentiometer (variable resistor) and the velocity sensor consists of a lightweight 3-cup anemometer, which electrometrically converts wind speed into a measurable electronic signal. As the vane rotates in the wind, the potentiometer changes resistance proportionally to the direction of the wind.
Files:
TDV-4 Specification Sheet