Siemens SITRANS WFS300 Kullanım Talimatları Kılavuzu - Sayfa 10
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Description
3.1
SITRANS WFS300
SITRANS WFS300 sensing head is an out-of-process sensing element used for continuous in-
line weighing of powdered or granular dry bulk solid materials. It is used with the 40 tph
versions of SITRANS WF330 (general purpose), WF340 (vertical material drop), and WF350
(aerated gravity conveyor) dry solids flowmeters.
3.2
Principle of operation
SITRANS sensing heads are used for continuous weighing of dry bulk solid materials. The
material is directed toward the sensing plate. The horizontal impact force of the material
deflects the sensing plate, displacing the core of the sensing head LVDT (linear variable
differential transformer). The LVDT produces an output signal which is proportional to
material flowrate. A viscous fluid damper prevents oscillation of the mechanism and provides
mechanical damping of pulsating material flow.
10
Operating Instructions, 03/2021, A5E32880243-AC
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SITRANS WFS300