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3. Safety
3.3 Improper use
Any use beyond or different to the intended use is considered as improper use. Unauthorised modifications to the
instrument are not permissible.
Use in the following application areas counts as improper use:
Safety or emergency shutdown devices
■
Hazardous areas
■
Abrasive or viscous media and applications with hydrogen and oxygen
■
Rail vehicles, medical devices, refrigeration technology and water pumps
■
Places of use that are not protected from weather influences (in the framework of UL approval)
■
Processes with high condensation
■
3.4 Personnel qualification
Skilled personnel
Skilled personnel, authorised by the operator, are understood to be personnel who, based on their technical train-
ing, knowledge of measurement and control technology and on their experience and knowledge of country-specific
regulations, current standards and directives, must be capable of carrying out the work described and independently
recognising potential hazards.
WIKA operating instructions pressure sensor, model MH-4-CAN
EN
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