Specifications

Wind speed specifications, Wind direction specifications, and Physical specifications provide the wind speed, wind direction, and physical specifications, respectively.

Wind speed specifications
	05103 Wind Monitor	05108 Heavy Duty Wind Monitor	05108-45 Heavy Duty Wind Monitor‑ Alpine	05305 Wind Monitor-AQ
Range	0 to 100 m/s (0 to 224 mph)			0 to 50 m/s (0 to 112 mph)
Accuracy	±0.3 m/s (±0.6 mph) or 1% of reading			±0.2 m/s (±0.4 mph) or 1% of reading
Starting threshold	1.0 m/s (2.2 mph)			0.4 m/s (0.9 mph)
Distance constant (63% recovery)	2.7 m (8.9 ft)			2.1 m (6.9 ft)
Output	AC voltage (3 pulses per revolution); 1800 rpm (90 Hz) = 8.8 m/s (19.7 mph)	AC voltage (3 pulses per revolution); 1800 rpm (90 Hz) = 14.9 m/s (33.3 mph)		AC voltage (3 pulses per revolution); 1800 rpm (90 Hz) = 9.2 m/s (20.6 mph)
Resolution	(0.0980 m/s) / (scan rate in seconds) or (0.2192 mph) / (scan rate in seconds)	(0.1666 m/s) / (scan rate in seconds) or (0.3726 mph) / (scan rate in seconds)		(0.1024 m/s) / (scan rate in sec.) or (0.2290 mph) / (scan rate in sec.)

Wind direction specifications
	05103 Wind Monitor	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°
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

Physical specifications
	05103 Wind Monitor	05108 Heavy Duty Wind Monitor	05108‑45 Heavy Duty Wind Monitor-Alpine	05305 Wind Monitor-AQ
Operating temperature range	–50 to +50 °C, assuming non-riming conditions	–50 to +60 °C, assuming non-riming conditions		‑50 to +50 °C, assuming non-riming conditions
Overall height	37 cm (14.6 in)		40 cm (15.7 in)	38 cm (15 in)
Overall length	55 cm (21.7 in)		57 cm (22.4 in)	65 cm (25.6 in)
Propeller diameter	18 cm (7.1 in)			20 cm (7.9 in)
Mounting pipe description	34 mm (1.34 in) outer diameter; standard 1.0 in IPS schedule 40
Weight	1.5 kg (3.2 lb)	1 kg (2.2 lb)		1.1 kg (2.5 lb)