Gb 8. maintenance and cleaning, Maintenance and cleaning – WIKA S-20 User Manual

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WIKA operating instructions pressure transmitter, model S-20

14043170.02 07/2014 GB/D/F/E

8. Maintenance and cleaning

8.1 Maintenance

This pressure transmitter is maintenance-free.

Repairs must only be carried out by the manufacturer.

8.2 Cleaning

CAUTION!

■

Before cleaning, correctly disconnect the pressure transmitter from the pressure supply, switch it off and

disconnect it from the voltage supply.

■

Clean the instrument with a moist cloth.

■

Wash or clean the dismounted instrument before returning it, in order to protect persons and the environ-

ment from exposure to residual media.

■

Residual media in dismounted instruments can result in a risk to persons, the environment and

equipment. Take sufficient precautionary measures.

■

Do not use any pointed or hard objects for cleaning, as they may damage the diaphragm of the process

connection.

For information on returning the instrument see chapter 10.2 "Return".

8.3 Recalibration

DKD/DAkkS certificate - Official certificates:

If the instrument is used for hydrogen applications, a recalibration is required after 6 months. The basic settings will be

corrected, if necessary.

8. Maintenance and cleaning