HBM PW28, Инструкция по эксплуатации

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Conditions at the mounting location
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A05384_01_Y00_00 HBM: public
PW28
3 Conditions at the mounting location
The transducers achieve protection class IP67 (when vent hose is properly
connected) in accordance with DIN EN60529. Nevertheless, the load cells
should be protected against constant humidity and moisture.
3.1 Protection against corrosion
The load cell must be protected against chemicals that could attack the steel of
the housing and base plate, or the cable.
Notice
Acids and all substances that release ions also attack stainless steels and their
weld seams.
The resultant corrosion can cause the transducer to fail. If this is the case, you
must provide appropriate means of protection.
The sealing element for load application comprises a soft bellows made from
silicone rubber. Substances that could attack this material must not be used.
3.2 Deposits
Dust, dirt and other foreign matter must not be allowed to accumulate
sufficiently to divert some of the measuring force onto the housing, thus
distorting the measured value (force shunt).
Do not use hard or pointed objects when cleaning the gap between the load
application thrust piece and the housing. Be very careful during cleaning,
making sure that you do not damage the silicone rubber bellows.