Endress + Hauser Flowtec Ag

Peter Tschabold

Alfred Rieder

Ennio Bitto

Hao Zhu

Martin Josef Anklin

Christian Schutze

Christian Schütze

Dieter Mundschin

Yaoying Lin

The method comprises producing a measurement signal (s) having a signal parameter, followed with a temporal change (Δx/Δt; Δx'/Δt) of a primary measured variable (x) and a temporal change (Δy/Δt) of a disturbing variable (Δ), and producing a measurement signal (s) having a signal parameter, followed by a temporal change (Δx/Δt; Δx′/Δt) of a primary measured variable (x). The method comprises ascertaining measured values (X) of first type representing the primary measured variable (x) or a secondary measured variable (f(x) Δx′) of measured values (X) of second type representing the primary measured variable (x) or a secondary measured variable (f(x) Δx′). The method comprises using measured values (X) of first type and measured values (X) of second type for ascertaining an error characterizing number (Err) representing a velocity error (ΔX/ΔX) caused by a change of the disturbing variable (y).

Monitoring a disturbing variable of a measuring device system by monitoring an error velocity of the measuring device system

A measuring transducer comprises a transducer housing, of which an inlet-side housing end is formed by means of an inlet-side flow divider having eight, mutually spaced flow openings and an outlet-side housing end is formed by means of an outlet-side flow divider having eight, mutually spaced flow openings as well as a tube arrangement with eight bent measuring tubes for the conveying flowing medium, which, forming flow paths connected for parallel flow, are connected to the flow dividers, wherein each of the eight measuring tubes in each case opens with an inlet-side measuring tube end into one of the flow openings of the flow divider, and in each case opens with an outlet-side measuring tube end into one of the flow openings of the flow divider. An electro-mechanical exciter mechanism of the measuring transducer serves for producing and/or maintaining mechanical oscillations of the measuring tubes.

Measuring transducer of vibration type and measuring system

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Breitenbach, Switzerland

Peter Tschabold