Wind Speed; Beaufort Scale - Alecto WS-3400 Guide De L'utilisateur

4.6 Wind speed:

WIND
HI AL
1
TOP WIND SPEED
HOURLY
*2: AVERAGE = average speed
GUST = windvlaag
You switch between these indications by adjusting the selector switch
*3: Measurement unit setup:
• In the normal display mode, press and hold the "WIND" button for 2 seconds.
/
• Use
• Press the "WIND" button again to save your setting.

4.7 Beaufort scale:

Description of wind force 0 through 12.
WIND WIND
1
very weak
1-5 km/h
1-3 mph
1-3 knot
0,3-1,5 m/s
Wind direction easily Wind perceptible on face,
determined by smoke weathercock now show
clouds correct direction, leaf
2
Avg
Gust
mph
m/s
km/h
knots
DAILY MONTHLY YEARLY
to set the desired wind indication: mph, m/s, km/h or Knots.
WIND
2
quite
weak
moderate
6-11 km/h 12-19 km/h
4-7 mph 8-12 mph
4-6 knot 7-10 knot
1,6-3,3 m/s 3,4-5,4 m/s
Blowing dust, flags flut-
tering, leaves constantly
rustles, flag moves
1. Wind speed, according to the Beaufort scale
2. Appears when the max. wind speed alert is set.
3. Actual wind speed in the desired measurement
value.
• Avg means average.
• Gust means wind gust (*2).
4. Maximum wind sped per unit of time.
3
Indication of the wind speed in mph (miles per
hour), in m/s (metres per second), in km/h (kilome-
tre per hour) or in Knots (1 KNOTS = 1.852 km/h
(1.151 mph)) (*3)
4
mph
m/s
km/h
knots
WIND
3 4
moderate
20-28 km/h
13-17 mph
11-16 knot
5,5-7,9 m/s
Paper is blowing up,
branches are moving,
rustling hair is getting tangled,
clothing is flapping, no
more annoyance from
mosquitoes.
52
WIND
.
Smoke rises straight up or
nearly straight up.
WIND WIND
5
quite
powerful
powerful
29-38 km/h
18-24 mph
17-21 knot
8,0-10,7 m/s 10,8-13,8 m/s
Leaves of trees rustle, Thick branches move,
small trees move, crested problems with umbrellas,
waves on lakes and
canals, garbage bins blow
over, containers cannot be
dropped off at terminals
0
stil
0-1 km/h
0-1mph
0-1 knot
0-0,2 m/s
6
39-49 km/h
18-24 mph
22-27 knot
hats blow off.