The sensor is intended for general long-term maintenance free operation. The TD-104-5D Wind Direction Sensor is a freestanding device for measuring the direction of wind. The sensor consists of a vane and counterweight assembly, which is mechanically coupled to a potentiometer (variable resistor).
Possible bearing and potentiometer replacement every three to five years is recommended to main- tain low starting threshold. ORDERING INFORMATION Model # Description TD-104-5D Wind Direction Sensor, Heavy Industrial TD-104-5D-A Wind Direction Sensor, 4-20 mA * Sensor is designed to work with TV-114 wind speed sensor.
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PROPER EXPOSURE OF METEOROLOGICAL INSTRUMENTS The following generally recognized guidelines depict ideal sensor mounting locations. These guidelines are only suggestions to aid the user in selecting optimum representative sampling locations for a particular sensor. Reference was made to US Weather Bureau Installation criteria in preparing this data (See Reference 1). WIND EQUIPMENT: So far as available sites permit, wind sensors should be placed above the ground on a freely-exposed tower (20 feet or higher) and over terrain that is relatively level and free from obstructions to wind flow.
Warranty Texas Electronics, Inc. (hereafter TEI) warrants the equipment manufactured by it to be free from defects in material and workmanship. Upon return, transportation charges prepaid to TEI, within three (3) years of orig- inal shipment of sensors and one (1) year of original shipment of electronics, recorders and indicators, TEI will repair or replace, at its option, any equipment which it determines to contain defective material or workman- ship, and will return said equipment to purchaser, F.O.B., TEI.
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