Table 6-2: Wind direction specifications
05103
Wind
Monitor
05103-45
Wind
Monitor-
Alpine
05106 Wind
Monitor-MA
05108 Heavy
Duty Wind
Monitor
05108-45
Heavy Duty
Wind
Monitor-
Alpine
05305 Wind
Monitor-AQ
Range
0° to 360° mechanical, 355° electrical (5° open)
Accuracy
±3°
±5°
±3°
Starting
threshold
1.1 m/s (2.4 mph)
1.0 m/s (2.0 mph)
0.5 m/s
(1.0 mph)
Distance
constant
(50%
recovery)
1.3 m (4.3 ft)
1.2 m
(3.9 ft)
Damping
ratio
0.3
0.25
0.45
Damped
natural
wavelength
7.4 m (24.3 ft)
4.9 m
(16.1 ft)
Undamped
natural
wavelength
7.2 m (23.6 ft)
4.4 m
(14.4 ft)
Output
analog DC voltage from potentiometer—resistance 10 kΩ; linearity 0.25%;
life expectancy 50 million revolutions
Power
switched excitation voltage supplied by data logger
Wind Monitor Series
7