WIKA S-11 - Manual (Page 22)

22 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".