3 cups mounted on the rotor, allow the reading of wind speed in all Waterproof and submersible.
Automatic backlighting in low light conditions.

Automatic OFF switch 60 seconds after cups have stopped rotating (allows battery saving).

Dimensions: height 135 mm, Ø 7 cm (cups included).

Weight: 70 g with battery.

FEATURES

• Wind speed :
• Scale: 1 to 40 m/s.
• Units : digital knots, m/s, km/h, mph.
• Graphic Beaufort force.
• Maximum wind speed.
• Average speed on 5, 10, 20 or 40 selected seconds.
• Accuracy : 4%.
• Resolution : 0.1 (up to 9.9), 1 (over 10).
• Air temperature and Windchill :
• Scale : -20 to +60 °C.
• Accuracy : 1 °C (2 °F).
• Units : °C or °F. 
• Resolution : 1 °C (2 °F).