Extech Instruments WTH600-KIT User Manual

NORTH AMERICAN VERSION 13 WTH600-en-US_v1.0 12/17
Select the Wind Display mode
Press [WIND] button to toggle between:
• AVERAGE The AVERAGE wind speed will display the average of all wind speed numbers recorded
in the previous 30 seconds
• GUST The GUST wind speed will display the highest wind speed recorded from last reading
The wind level provides a quick reference and is indicated by a series of text icons:
Select Wind Speed Units
1. Press and hold [WIND] button for 2 seconds to enter unit setting mode.
2. Use the [UP] / [DOWN] button to change the unit between mph (miles per hour) / m/s (meter
per
second) / km/h (kilometer per hour) / knots.
3. Press [WIND] button to confirm and exit.
10. BEAUFORT SCALE
Beaufort scale is an international scale of wind velocities from 0 (calm) to 12 (Hurricane force).
Beaufort no.
Description
Wind speed
Land conditions
0
Calm
< 1 km/h
Calm. Smoke rises vertically.
< 1 mph
< 1 knot
< 0.3 m/s
1
Light air
1.1–5.5 km/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
5.6–11 km/h
Wind felt on exposed skin. Leaves rustle. Wind vanes
begin to move.
4–7 mph
4–6 knots
1.6–3.4 m/s
3
Gentle breeze
12–19 km/h
Leaves and small twigs constantly moving, light flags
extended.
8–12 mph
7–10 knots
3.5–5.4 m/s
4
Moderate breeze
20–28 km/h
Dust and loose paper raised. Small branches begin to
move.
13–17 mph
11–16 knots
5.5–7.9 m/s
5
Fresh breeze
29–38 km/h
Branches of a moderate size move. Small trees in leaf
begin to sway.
18–24 mph
17–21 knots
8.0–10.7 m/s
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Extech Instruments WTH600-KIT Specifications

General

Brand	Extech Instruments
Model	WTH600-KIT
Category	Weather Station
Language	English