A75-104 Sine Wave Anemometer

Price: CALL € Manufacturer: Comptus Code: Specifications: Accuracy: 11 - 55 MPH + 0.2 MPH (Consensus Standard) Threshold: Starting threshold - 0.75 m/s (1.75 M.P.H.) Cup distance constant (63% recovery) - 3.O m (1 0 ft.) Materials: Rotor and housing body are both single piece injection molded black polycarbonate (Lexan) Fully hardened berillium copper shaft; Self-lubricating modified teflon bearings. Rated Pv factor of 20,000 (at 15 mph, Pv is approx. 500; at 100 mph Pv is approx 2,000) Upper Bearing is centered in the plane of cup thrust for optimal loading. Permanent magnet Indox 1, 25 mm (1 in) dia., 13 mm (0.5 in) long, 4 poles Weight: 0.1 kg (0.2 lb.) Dimensions: 3 cups conical cross-section - 51 mm (2 in) dia. Swept diameter of rotor - 190 mm (7.5 in) Overall height - 51 mm (3.2 in) Moment of Inertia of rotor assembly = 68 x 10-6 S - ft2 Electrical: Output signal is a sine wave with frequency changing linearly with wind speed - 60 Hz = 102 mph Voltage is 2.0 VAC @ 60 cycles Transfer function: MPH = (Hz x 1.714) + 0.725 Environmental: Operating temperature: -55 to 60oC (-67 to 150oF) Operating humidity range: 0 to 100% RH Gust Survival Speed : 214 MPH Lifespan: 3-5 years under normal conditions

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