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Description
3.1
SITRANS WFS320
SITRANS WFS320 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 300 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.
SITRANS WFS320
Operating Instructions, 02/2016, A5E32880290-AB
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Table of Contents
Troubleshooting
