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3. Safety
Improper use
Any use beyond or different to the intended use is considered as improper use.
The following points, in particular, count as improper use and are not permissible:
Use of this instrument in safety or emergency shutdown devices
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EN
Unauthorised modifications to the pressure switch
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Use in hazardous areas
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Use with abrasive or unstable fluids, in particular hydrogen
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3.2 Personnel qualification
Skilled personnel
Skilled personnel, authorised by the operator, 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, must be capable of carrying out the work described and independently
recognising potential hazards.
3.3 Labelling, safety marks
Product (example)
Approvals and conformities
QR code to WIKA serial number application
Coded date of manufacture
Pin assignment and specifications
Before mounting and commissioning the instrument, ensure you read the operating instructions!
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Serial number
Article number
Measuring range
IO-Link version (option)
WIKA operating instructions pressure switch, model PSD-4
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