一體式風速風向傳感器
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°
一體式風速風向傳感器一體式風速風向傳感器一體式風速風向傳感器一體式風速風向傳感器一體式風速風向傳感器
