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6. Maintenance and cleaning / 7. Dismounting, return and disposal
8. On closing the case cover, ensure that the battery connection cables do not become pinched.
Make absolutely sure that there is no gap between the case cover of the sensor and the thread. Only when
no gap can be detected, is the sensor properly sealed and meets the ambient conditions. Be careful not to
EN
accidentally unscrew or loosen the instrument from the process connection when changing the battery.
6.3 Cleaning
Only use commercially available and solvent-free cleaning agents.
7.
Dismounting, return and disposal
7.1 Dismounting
WARNING!
Hazardous media
▶
Should a failure occur, aggressive media with extremely high temperature and under high pressure
or vacuum may be present at the instrument.
▶
Depressurise and de-energise the pressure sensor before dismounting it.
7.2 Return
Strictly observe the following when shipping the instrument:
All instruments delivered to WIKA must be free from any kind of hazardous substances (acids, bases, solutions, etc.)
and must therefore be cleaned before being returned.
Remove the batteries before returning!
The lithium-ion rechargeable batteries or lithium-metal batteries included are subject to the requirements of the
dangerous goods law. Special requirements for packaging and labelling must be observed when shipping. A
dangerous goods expert must be consulted when preparing the package. Do not send any damaged or defective
rechargeable batteries. Mask open contacts and pack the rechargeable battery so that it does not move in the
packaging and also prevents short-circuits. Observe the different dangerous goods requirements relative to the
respective modes of transport and any other national regulations.
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WIKA operating instructions, models PEW-1000 and PEW-1200
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