VEGA VEGASON 51V…53V - Manual (Page 35)

VEGASON 51 V … 53 V 35
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Mounting and installation - Installation error
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 elec-
trodes of hydrostatic pressure transmitters.
Foam generation
Strong heat fluctuations
Strong heat fluctuations, e.g. due to the sun,
cause meas. errors. Provide a shield.
Strong heat fluctuations
Min. distance to the product
When the min. distance to the product is not
maintained, the instruments show wrong
measured values (see page 23). Mount the
instruments with the required min. distance.
Wrong directing to the product
If the sensor is not directed to the product
surface, weak measuring signals are caused.
Direct the sensor axis vertically to the prod-
uct surface to reach optimum meas. results.
Direct sensor vertically to the product surface
Shield
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