Size: 38×65cm H×L, propeller 20cm

Weight: 0.7kg

Wind Speed

Range: 0 to 60 metres/sec (130mph)

Gust survival: 100 metres/sec (220mph)

Accuracy: speed ±0.2m/s (0.4mph)

Threshold: propeller 1.0m/s (2.2mph)

Wind Direction

Range: 360 deg mechanical, 355 deg electrical (5 deg open)

Accuracy: plus or minus 3 deg

Threshold: vane - 0.5m/s (1.0mph) at 10 deg displacement, 0.7m/s (1.6mph) at
5 deg displacement