VEGA VEGASON 51K…53K - Manual (Page 33)

VEGASON 51K … 53K 33
Mounting and installation
4.7 Installation error
Foam generation
Strong foam on the product can cause faulty
measurements. Provide measures to avoid
foam, measure in a bypass pipe or use an-
other meas. principle, e.g. capacitive electro-
des or hydrostatic pressure transmitters.
Foam generation
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Direct sensor vertically to the product surface
Wrong directing to the product
Weak measuring signals are caused if the
sensor is not directed to the product surface.
Direct the sensor axis vertically to the prod-
uct surface to achieve optimum measuring
results.
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Strong heat fluctuations
Strong heat fluctuations, e.g. due to the sun
cause measuring errors. Provide a shield.
Min. distance to the medium
When the min. distance to the medium is not
maintained, the instruments show wrong
measured values. Mount the instruments with
the required min. distance.
Sensor too close to the vessel wall
Correct Wrong
Strong heat fluctuations
Shield