Conditions On Site; Protection Against Corrosion; Deposits - HBM FIT7A Bedienungsanleitung

Conditions on site

3 Conditions on site
10
Series FIT7A load cells are hermetically encapsulated
and are therefore not at all sensitive to the influence of
moisture and humidity. The transducers achieve
protection class IP66 (when vent hose is properly
connected) in accordance with DIN EN 60529. The load
cells should nevertheless be protected against the lasting
influence of moisture and humidity.
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 welded 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
A3924-1.1 HBM: public
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FIT 7A