elv WS 3001 Mode D'emploi page 59

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The sensor is designed for wall and mast mounting and should be mounted as
follows: Attach the sensor wall bracket either exactly vertically to a wall using the
four screws, or to a mast using the securing clamp provided.
Position the sensor on the wall bracket and screw the two parts together using the
screw provided.
When doing this the large protective bell housing must be above and the solar cell
must be pointing towards the light.
During the hours of darkness and periods of bad weather with relatively little sun-
light an internal battery system, which is charged by the solar cell during periods of
sunshine, provides the power for the sensor.
2.3.9 ASH 2000 temperature/humidity outdoor sensor
Apart from the type of voltage supply and the mounting foot the ASH 2000 is the
same as the 2000. It is fitted with two Mignon cells and can therefore be used in
darkened and badly lit locations.
2.3.10 AS 2000 temperature outdoor sensor
The AS 2000 is the same as the ASH 2000 except for the absence of humidity
measurement.
2.3.11 Information on the storage of solar cell supplied outdoor sensors
These sensors receive their operating voltage from a solar cell, that charges an
internal battery to provide power for periods of darkness and bad weather.
If one of these sensors is out of action for some time and does not receive any light
this has no affect on the internal battery, provided the magnets designed to acti-
vate the operating voltage are removed.
Therefore the sensor can be stored for several years in its packaging, for example.
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