Bedienungsanleitung Bresser 7003500 (Seite 19 von 104) (Deutsch, Englisch)

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DEW POINT

- The dew point is the temperature below which the water vapor in air at constant barometric pressure

condenses into liquid water at the same rate at which it evaporates. The condensed water is called dew

when it forms on a solid surface.

- The dew point temperature is determined by the temperature & humidity data from wireless 7-IN-1 sensor.

7.4.7 RAIN DISPLAY

Rainfall is usually shown as Daily Total and Rain Rate (estimated amount of rainfall per hour).

7.4.7.1 DEFINITION

Rain Rate is dened as the rainfall measured in the last 10 minutes, and multiplied by six. This is also

referred as instantaneous rainfall per hour.

Daily Rainfall is dened as rainfall since midnight (start of a new day)

Weekly Rainfall is dened as rainfall between Sunday and Saturday.

Monthly Rainfall is dened as the calendar month total from rst to last day of the month

Total Rain is dened as the rainfall measured since the station was powered up or reset.

7.4.7.2 RESET RAINFALL

Erroneous readings may occur during the installation of the 7-in-1 Multisensor. Once the installation is

completed and functioning correctly, it’s advisable to clear all the data and start afresh. Please refer to

7.9.8.1 ERASE ALL DATA.

7.4.8 BAROMETRIC PRESSURE

The atmospheric pressure is the pressure at any location of the earth caused by the weight of the column

of air above it. One atmospheric pressure refers to the average pressure and atmospheric pressure

gradually decreases as altitude increases. Meteorologists use barometers to measure atmospheric

pressure. Because absolute atmospheric pressure decreases with altitude, meteorologists correct the

pressure relative to sea-level conditions. Hence your ABS pressure may read 1000 hPa at altitude of 300m,

but the REL pressure is 1013 hPa (in clear weather condition)

To obtain accurate REL pressure for your area, consult your local o󰀩cial observatory or check weather

website on Internet for real time barometer conditions, and then adjust the relative pressure in

CALIBRATION SETTING (Section 7.9.6)

7.4.9 WIND SPEED AND WIND DIRECTION

The wind section displays wind speed (gust or average), current wind direction, predominant wind

directions (over the last 5 minutes), and wind speed level in compass background color.

Wind speed is dened as the average wind speed measured in the 12 second updated period.

Average Wind (in detail screen 7.3.2) is the average of 10 minutes wind speed record.

Wind gust is dened as the peak wind speed measured in the 12 second update period.

The Beaufort Scale is an international scale of wind velocities ranging from 0 (calm) to 12 (Hurricane force).

The Beaufort Scale is dened as follows:

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

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