Wind Monitor (Model 05103) : Wind Monitor-AQ (Model 05305) Wind speed Range: 0-134 mph (0-60 m s-1) : 0-90 mph (0-40 m s-1) Accuracy: ¡¾0.6 mph (¡¾0.3 m s-1) : ¡¾0.4 mph (¡¾0.2 m s-1) Starting threshold: 2.2 mph (1.0 m s-1) : 0.9 mph (0.4 m s-1) Gust survival: 220 mph (100 m s-1) : 100 mph (45 m s-1) Distance constant (63% recovery): 8.9 ft (2.7 m) : 6.9 ft (2.1 m) Output: ac voltage (3 pulses/ ac voltage (3 pulses/ revolution) 1800 rpm revolution) 1800 rpm (90 Hz) - 19.7 mph : (90 Hz) - 20.6 mph (8.8 ms-1) : (9.2 ms-1) Wind direction Electrical range: 0-360¡Æ mechanical, Same 355¡Æ electrical (5¡Æ open) Accuracy: ¡¾3¡Æ ¡¾3¡Æ Starting threshold at 10¡Æ displacement: 2.0 mph (0.9 m s-1) : 1.0 mph (0.5 m s-1) at 5¡Æ displacement: 2.9 mph (1.3 m s-1) : 1.6 mph (0.7 m s-1) Delay distance (50% recovery): 4.3 ft (1.3 m) : 3.9 ft (1.2 m) Damping ratio: 0.25 0.45 Damped natural wavelength: 24.3 ft (7.4 m) : 16.1 ft (4.9 m) Undamped natural wavelength: 23.6 ft (7.2 m) : 14.4 ft (4.4 m) Output: Analog dc voltage from Same potentiometer - resistance 10 K§Ù, linearity 0.25%, life expectancy 50 million revolutions. Power Switched excitation Same voltage is supplied by the datalogger. Ordering Information 05103-L11 = 11' lead length for CM6/10 05305-L11 = 11' lead length for CM6/10 tripod and UT10 10-foot (3 m) tower tripods and UT10 10-foot (3 m) tower 05103-L23 = 23¡¯ lead length for UT20 05305-L23 = 23¡¯ lead length for UT20 20-foot (7 m) tower 20-foot (7 m) tower 05103-L34 = 34' lead length for 05305-L34 = 34¡¯ lead length for UT30 30-foot (10 m) tower UT30 30-foot (10 m) tower Operating Temperature -50¡Æ to +50¡ÆC, assuming non-riming -50¡Æ to +50¡ÆC, assuming non-riming conditions conditions Dimensions Overall: 14.6¡± H x 21.7¡± L 15.0¡± H x 25.6¡° L (37 cm x 55 cm) (38 cm x 65 cm) Main housing (diameter): 2.0¡° (5 cm) Same Propeller (diameter): 7.1¡± (18 cm) 7.9¡± (20 cm) Mounting (diameter): 1.34¡± (34 mm) Same (standard 1.0¡± pipe) Weight (shipping approx.) 3.2 lbs (5.5 lbs); 1.5 kg (2.3 kg) 2.5 lbs (5.5 lbs); 1.1 kg (2.3 kg) Manufactured by RM Young (Traverse City, MI) and cabled by Campbell Scientific for use with our dataloggers.