9ENG8008 GFM436 User Manual
Appendix C – Vane Anemometer- 83
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18.5.1 General handling tips
Protect the probes against severe vibration
Do not kink the connector cable (risk of cable break)
Never allow hard objects to contact rotating impellers
Always carry out probe cleaning according to the cleaning instructions
Never immerse probes in solvent
Never blow probes through with compressed air
Allow hot temperature probes to cool slowly; never cool by plunging them in cold water or the like.
18.5.2 Vane probes
Instrument and probe must be switched off or disconnected prior to cleaning.
As the probes are highly sensitive measuring instruments, they must be cleaned with very great care.
Fibres or other foreign bodies can be carefully removed with fine tweezers.
When doing so, take care not to bend or otherwise damage the vanes or the spindle.
Cleaning agents which extract the plasticizer from the plastic are never to be used for plastic probes (practically all
solvents!).
We recommend the following for cleaning the probes:
running water
soapy water
pure benzene
Cleaning example:
The adjustment of the bearing screws must never be changed. This can result in erroneous measurements.
Never allow hard objects to contact rotating impellers!
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