HD35
- 93 -
V1.12
10.3
I
NSTALLATION OF HOUSING
The housing can be fixed to a wall or, for outdoor installations, to a
40 mm
diameter mast by
means of
HD2003.77/40 clamping.
Fig. 10.3.1: installation of housing
F
or outdoor installations
, use the optional protection shield against solar radiations.
Data loggers supplied with clamping already mounted on the back of the housing are equipped
with protection devices against over-voltages connected to the clamping. For a correct opera-
tion of the protecting devices, the yellow/green wire with fast-on connector connected to the
clamping should be connected to ground.
The outdoor installation of the combined temperature and relative humidity probe requires
HD9007A-1 or HD9007A-2 protection against solar radiations.
10.4
C
ONNECTION TO THE WIRELESS NETWORK
The device can be connected and disconnected to/from the wireless network by pressing for
5 seconds the connection button.
If the device is disconnected, by pressing for 5 seconds the connection button the buzzer emits
a beep and the RF LED blinks green for 1 second to indicate the start of the connection proce-
dure. If the device belongs to a wireless network and the base unit is reachable, after connection
the buzzer emits a second beep and the RF LED blinks green during data transmission. If the de-
vice doesn’t belong to a wireless network and the base unit is not reachable, the second beep of
the buzzer is not emitted and the RF LED will blink red.
If the device is connected, by pressing for 5 seconds the connection button the buzzer emits a
beep, the RF LED blinks red for 1 second and the device is disconnected.
The connection status is signaled also by the connection icon on the display (see figure 3.6 on
page 10):
•
the icon is steady on if the data logger is connected;
•
the icon blinks if the data logger is trying to connect (the icon will be steady on after
connection or will go on blinking if the base unit cannot be reached or the data logger
doesn’t belong to a wireless network);
•
the icon is off if the data logger is not connected.
Plastic washers for thermal insulation of the
housing from metal parts
Summary of Contents for HD35AP series
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