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Maintenance and cleaning – WIKA S-11 User Manual

Page 22

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WIKA operating instructions pressure transmitter, model S-11

GB

14043046.01 06/2012 GB/D/F/E

7. Adjustment of zero point ... / 8. Maintenance and cleaning

7.4 Finish the adjustment (figure A)

Disconnect the instrument connector

from the power supply and the display unit.

Carefully push the instrument connector

onto the instrument, without damaging the wires or the

seals. The seals must be clean and undamaged in order to guarantee the given ingress protection.

Tighten the clamping nut

.

After the adjustment, check that the system is functioning correctly.

Recommended recalibration cycle: 1 year

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 instrument from the pressure supply, switch it

off and disconnect it from the power supply.

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

of the process connection.

Clean the instrument with a moist cloth.

Electrical connections must not come into contact with moisture.

Wash or clean the dismounted instrument before returning it in order to protect personnel

and the environment from exposure to residual media.

Residual media in the dismounted pressure transmitter can result in a risk to persons,

the environment and equipment. Take sufficient precautionary measures.

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