3 Installation
For installation, choose a site where conditions are representative of the environment to be examined. The
thermometers and thermohygrometers must be mounted in places where the morphological conditions of
the surfaces, the urban structures and the environmental conditions reflect as much as possible the general
conditions of the site where the measurements are to be made. It is important that, in the areas close to the
installation, there are no structures that can radiate heat (concrete floors, asphalt, walls, etc.) The
thermohygrometer should be installed at a distance of 1.5 - 2 m from the ground (see WMO n ° 8 part 2).
3.1 General safety rules
Please read the following general safety rules in order to avoid injuries to people and prevent damages to
the product or to possible other products connected with it. In order to avoid any damages, use this product
exclusively according to the instructions herein contained.
The installation and maintenance procedures must be carried-out only by authorized and skilled service
personnel.
Power the instrument in a suitable manner. Pay attention and observe the power supplies like indicated for
the model in your possession.
Carry-out all connections in a suitable manner. Pay strict attention to the connection diagrams supplied with
the instrument.
Do not use the product in case of suspected malfunctions. In case of suspected malfunction, do not power
the instrument and contact authorized technical support immediately.
Before you carry-out any operation on electrical connections, power supply system, sensors and
communication apparatus:
• Disconnect the power supply.
• Discharge the accumulated electrostatic discharges touching an earthed conductor or apparatus.
3.2 Mechanical installation and connection
3.2.1 DMA672.x sensors
The installation of the DMA672.x sensors changes according to the type of anti-radiant shield used.
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