Explore Scientific 7-in-1 Sensor for 7-in-1 Wi-Fi Weather Station - Manual (Page 21)

21
EN TREND INDICATOR
The trend indicator shows the trends of changes in the
forthcoming few minutes. The icon will appear in temperature,
humidity, index and baro section.
Rising Steady Falling
WIND
WIND SPEED AND DIRECTION SECTION OVERVIEW
Past wind
directions indicator
of last 5 minutes
Wind direction
Wind speed
level indicator
Real time wind
direction indicator
Average / gust
wind speed
TO SET THE WIND SPEED UNIT AND DIRECTION DISPLAY FORMAT
1. In normal mode, press and hold [ WIND ] key for 2 seconds to enter into wind speed unit
mode and the unit will flash. Press [ ] or [ ] key to change the wind speed unit in this
sequence: m/s km/h knots mph
2. Press [ WIND ] key again to return to normal mode.
TO SELECT THE WIND DISPLAY MODE
In normal mode, press [ WIND ] key to switch between BEAUFORT scale, AVERAGE and
GUST wind speed.
BEAUFORT SCALE TABLE
The Beaufort scale is an international scale of wind velocities ranging from 0 (calm) to 12
(Hurricane force).
Beaufort Scale Description Wind Speed Land Condition
0 Calm
< 1 km/h
Calm. Smoke rises vertically.
< 1 mph
< 1 knots
< 0.3 m/s
1 Light air
1.1 ~ 5km/h
Smoke drift indicates wind direction.
Leaves and wind vanes are stationary.
1 ~ 3 mph
1 ~ 3 knots
0.3 ~ 1.5 m/s
2 Light breeze
6 ~ 11 km/h
Wind felt on exposed skin. Leaves rustle.
Wind vanes begin to move.
4 ~ 7 mph
4 ~ 6 knots
1.6 ~ 3.3 m/s
3 Gentle breeze
12 ~ 19 km/h
Leaves and small twigs constantly moving,
light flags extended.
8 ~ 12 mph
7 ~ 10 knots
3.4 ~ 5.4 m/s