Wika 532.54 Manuel d'utilisateur télécharger pdf (Page 10)

11554810.02 11/2013 GB/D/F/E

WIKA operating instructions pressure gauge model 5 per ATEX

5. Transport, packaging ... / 6. Commissioning, operation

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Prior to the installation of the pressure gauge, clean the measuring lines

thoroughly by tapping and blowing or rinsing

■

The pressure gauge must be mounted free from vibration and should be

aligned so that it is easy to read. It is recommended that an isolation device is

interposed between the pressure tapping point and the pressure gauge, which

will enable the replacement of the pressure gauge while the plant is running.

The instruments should be protected against coarse dirt and wide uctuations

in ambient temperature.

6. Commissioning, operation

6.1 Mechanical connection

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In accordance with the general technical regulations for pressure gauges (e.g.

EN 837-2 “Selection and installation recommendations for pressure gauges”).

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When screwing gauges in, the force required for this must not be applied

through the case, but rather through the spanner ats (using a suitable tool)

provided for this purpose on the square shaft of standard connections.

Installation with open-

ended spanner

Avoid exposure to the following factors:

■

Direct sunlight or proximity to hot objects

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Mechanical vibration, mechanical shock (putting it down hard)

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Soot, vapour, dust, humidity and corrosive gases

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Potentially explosive environments, ammable atmosphere

WARNING!

Before storing the instrument, any residual media must be

removed. This is of particular importance if the medium is

hazardous to health, e.g. caustic, toxic, carcinogenic, radioactive,

etc.

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Wika 532.54 Manuel d'utilisateur Page 10