Personnel Qualification; Skilled Personnel; Labelling, Safety Marks - WIKA 831 Manual De Instrucciones

3. Safety

3.5 Personnel qualification

WARNING!
Risk of injury should qualification be insufficient!
Improper handling can result in considerable injury and damage to equipment.
The activities described in these operating instructions may only be carried out
EN
by skilled personnel who have the qualifications described below.

3.6 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-specific regulations, current standards and directives, are capable of carrying out
the work described and independently recognising potential hazards.

3.7 Labelling, safety marks

Product label (example)



Model + contact version

Article number

 Serial number
Date of manufacture (month/year)

Risk of burns!
Potentially dangerous situation caused by hot surfaces.
The instrument bearing this mark is a safety pressure gauge with a solid baffle
wall in accordance with EN 837, safety version "S3".
8

Before mounting and commissioning the instrument, ensure you read the
operating instructions!
Pressure gauges with inductive contact model 831, for hazardous areas

Ex marking

Case filling

 Pin assignment
Switch contact model and switching function



