產(chǎn)品名稱：一體式風(fēng)速風(fēng)向傳感器
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- 商品品牌：DAVIS
- 產(chǎn)品文檔:
一體式風(fēng)速風(fēng)向
一體式風(fēng)速風(fēng)向傳感器
Operating Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . -40° to +149°F (-40° to +65°C)
Sensor Type
Wind Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Solid state magnetic sensor
Wind Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wind vane and potentiometer
Attached Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . 40' (12 m)
Cable Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-conductor, 26 AWG
Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Modular connector (RJ-11)
Maximum Cable Length. . . . . . . . . . . . . . . . . . . . . . . . . . 240' (73 m)
Material
Wind Vane and Control Head. . . . . . . . . . . . . . . . . . UV-resistant ABS
Wind Cups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Polycarbonate
Anemometer Arm. . . . . . . . . . . . . . . . . . . . . . . . . . . Black-anodized aluminum
Dimensions (length x width x height) . . . . . . . . . . . . . . . . 15.0" x 1.5" x 18.0" (381 mm x 38 mm x 457 mm)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 lbs. 4 oz. (1.332 kg)
Sensor Output
Wind Direction
Display Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 points (22.5°) on compass rose, 1° in numeric display
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3°
Wind Speed
Resolution and Units . . . . . . . . . . . . . . . . . . . . . . . . . . . Measured in 1 mph. Other units are converted from mph and rounded
to nearest 1 km/h, 0.1 m/s, or 1 knot
Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 to 200 mph, 1 to 173 knots, 0.5 to 89 m/s, 1 to 322 km/h
Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±2 mph (2 kts, 3 km/h, 1 m/s) or ±5%, whichever is greater
Maximum Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . 240' (73 m). Maximum wind speed reading decreases as length of
cable from Anemometer to ISS increases. At 140' (42 m), maximum
speed is 135 mph (60 m/s). At 240', the maximum is 100 mph.
Input/Output Connections
Black. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wind speed contact closure to ground
Red . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ground
Green . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wind direction pot wiper (20KΩ potentiometer)
Yellow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pot supply voltage
Wind Speed Translation Formula . . . . . . . . . . . . . . . . . . 1600 rev/hr = 1 mph
V = P(2.25/T) (V = speed in mph, P = no. of pulses per sample period
T = sample period in seconds)
Wind DirectionTranslation . . . . . . . . . . . . . . . . . . . . . . . . Variable resistance 0 - 20KΩ; 10KΩ = south, 180°
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