Wika TR25 Manuel d'utilisateur télécharger pdf (Page 6)

14073045.01 10/2013 GB/D

WIKA operating instructions model TR25 (Ex i)

If the instrument is transported from a cold into a warm environment, the formation of

condensation may result in instrument malfunction. Before putting it back into operation, wait for

the instrument temperature and the room temperature to equalise.

The manufacturer shall not be liable for claims of any type based on operation contrary to the

intended use.

2.2 Personnel qualication

WARNING!

Risk of injury should qualication be insucient!

Improper handling can result in considerable injury and damage to equipment.

■

The activities described in these operating instructions may only be carried out by

skilled personnel who have the qualications described below.

■

Keep unqualied personnel away from hazardous areas.

Skilled personnel

Skilled personnel are understood to be personnel who, based on their technical training,

knowledge of measurement and control technology and on their experience and knowledge of

country-specic regulations, current standards and directives, are capable of carrying out the

work described and independently recognising potential hazards.

Special operating conditions require further appropriate knowledge, e.g. of aggressive media.

2.3 Additional safety instructions for instruments per ATEX and IECEx

WARNING!

Non-observance of these instructions and their contents may result in the loss of

explosion protection.

WARNING!

Follow the requirements of the 94/9/EC (ATEX) and IECEx directives.

Follow the respective national regulations concerning Ex-usage (e.g. EN/IEC 60079-10

and EN/IEC 60079-14).

2.4 Safety instructions for internally pressurised thermowells and measuring

instruments

WARNING!

■

Before installation, the operator should perform the suitability test for the particular

application.

■

The thermowells and measuring instruments must be chemically and mechanically

resistant against the process media and must exhibit the same mechanical

strength (pressure rating) as the vessel or pipeline.

■

The thermowells and the measuring instruments are not suitable for abrasive

media.

■

Assembly and disassembly must only be carried out once the system has been

depressurised. Beware of hot surfaces and residual media!

2. Safety

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Wika TR25 Manuel d'utilisateur Page 6

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