คำอธิบาย

Range
Wind Speed (large wind cups) (See Note 1). . . . . . . 2 to 150 mph, 2 to 130 knots, 1 to 67 m/s, 3 to 241 km/h
Wind Speed (small wind cups) (See Note 1) . . . . . . 3 to 175 mph, 3 to 150 knots, 1.5 to 79 m/s, 5 to 282 km/h
Wind Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to 360° or 16 compass points
Wind Run. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 1999.9 miles (1999.9 km)

Accuracy
Wind Speed (large wind cups) . . . . . . . . . . . . . . . . . ±2 mph (2 kts, 3 km/h, 1 m/s) or ±5%, whichever is greater
Wind Speed (small wind cups) . . . . . . . . . . . . . . . . . ±3 mph (3 kts, 5 km/h, 1.5 m/s) or ±5%, whichever is greater
Wind Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7°
Wind Run. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5%

Resolution
Wind Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 mph (1 knot, 0.1 m/s, 1 km/hr)
Wind Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1° (0° to 355°), 22.5° between compass points
Wind Run. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 m (0.1 km)

Material
Wind Vane and Control Head. . . . . . . . . . . . . . . . . . UV-resistant ABS
Wind Cups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Polycarbonate
Anemometer Arm. . . . . . . . . . . . . . . . . . . . . . . . . . . Black-anodized aluminum