Elsner KNX Suntracer pro Установка и регулировка - Страница 6

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Wind measurement: Measurement of wind strength and wind direction (0°-

360°) by ultrasound

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Precipitation detection: The sensor surface is heated, so that only drops and

flakes are recognised as precipitation, but not mist or dew. When the rain or

snow stops, the sensor is soon dry again and the precipitation warning ends

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Temperature measurement. Calculation of the felt temperature

(considering wind strength and air humidity)

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Air humidity measurement (relative, absolute)

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Calculation of the dew point

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Air pressure measurement

2.1. Notes on wind measurement

Due to very heavy rain, hail or snowfall, the ultrasonic signal can be attenuated to such

an extent that no correct measured values can be output. In this case, a wind sensor

error is sent and the wind speed is set to the maximum value of 35 m/s or 126 km/h for

safety reasons.

Select an installation position on the building where the sensors can measure wind,

rain and sunshine without hindrance. No structural elements should be mounted

above the weather station, from which water could continue to drop on the precipita-

tion sensor even after it has stopped raining or snowing. The weather station should

not be shaded by structures or, for example, trees.

At least 60 cm of clearance must be left around the device. This facilitates correct wind

speed measurement without eddies. At the same time, this prevents spray (raindrops

hitting the device) or snow (snow penetration) from impairing the measurement.

60 cm

Please ensure that the extended awning does not cast shade on the device, and does

not protect the device against wind.

Temperature measurements can also be distorted by external influences such as

warming or cooling of the building structure on which the sensor is mounted (sunlight,

heating or cold water pipes). Temperature variations from such sources of interference

must be corrected in the ETS in order to ensure the specified accuracy of the sensor

(temperature offset).

Weather Station Suntracer RS485 pro • Version: 20.09.2021 • Errors excepted. Subject to technical changes.

Fig. 1

60 cm

The ring must be at least 60 cm apart from

other elements (building structure, struc-

tural parts, etc.)

Installation