Siemens SITRANS SITRANS WF100 Operating Instructions Manual page 26

Commissioning
Material Test
Calibration of the flowmeter by test weight is not a dynamic simulation and yields only an
approximate span calibration. Effective material flow, friction, and velocity can only be
reproduced by running actual material tests.
At least two 5 minute samples should be taken to ensure repeatability. Refer to material test
and subsequent factoring of the flowmeter sections of the integrator manual.
Re-rating
Consult your local Siemens representative for re-rating.
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Operating Instructions, 08/2021, A5E51108132-AA
SITRANS WF100