8. Maintenance and cleaning
8. Maintenance and cleaning
8.1 Maintenance
EN
This pressure transmitter is maintenance-free.
Repairs must only be carried out by the manufacturer.
8.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the instrument from the pressure supply, switch it off and
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disconnect it from the supply voltage.
Do not use any pointed or hard objects for cleaning, as they may damage the diaphragm of the
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process connection.
Clean the instrument with a moist cloth.
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Electrical connections must not come into contact with moisture.
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Wash or clean the dismounted instrument before returning it, in order to protect persons and the
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environment from exposure to residual media.
Residual media at the dismounted pressure transmitter can result in a risk to persons, the
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environment and equipment. Take sufficient precautionary measures.
For information on returning the instrument see chapter 10.2 "Return".
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WIKA operating instructions pressure transmitter, model SA-11