WO2018086888A1 - Dispositif de mesure pour déterminer et/ou surveiller au moins une grandeur de processus d'un milieu dans un conduit - Google Patents

Dispositif de mesure pour déterminer et/ou surveiller au moins une grandeur de processus d'un milieu dans un conduit Download PDF

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Publication number
WO2018086888A1
WO2018086888A1 PCT/EP2017/077302 EP2017077302W WO2018086888A1 WO 2018086888 A1 WO2018086888 A1 WO 2018086888A1 EP 2017077302 W EP2017077302 W EP 2017077302W WO 2018086888 A1 WO2018086888 A1 WO 2018086888A1
Authority
WO
WIPO (PCT)
Prior art keywords
opening
arrangement
component
sensor
pipe section
Prior art date
Application number
PCT/EP2017/077302
Other languages
German (de)
English (en)
Inventor
Robert Schmidt
Andreas Krumbholz
Original Assignee
Endress+Hauser SE+Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Endress+Hauser SE+Co. KG filed Critical Endress+Hauser SE+Co. KG
Publication of WO2018086888A1 publication Critical patent/WO2018086888A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/64—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by measuring electrical currents passing through the fluid flow; measuring electrical potential generated by the fluid flow, e.g. by electrochemical, contact or friction effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18—Supports or connecting means for meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/242—Mounting arrangements for electrodes

Definitions

  • Measuring arrangement for determining and / or monitoring at least one process variable of a medium in a pipeline
  • the invention relates to a modular arrangement for determining and / or monitoring at least one process variable of a medium in a pipeline with at least one sensor, in particular one with at least one process-contacting component, and at least one pipeline.
  • the sensor can be introduced in particular into a pipeline section, which in turn can be integrated into an existing pipeline system.
  • Corresponding measuring arrangements are used in connection with a multiplicity of measuring devices and / or field devices for the determination of different process variables, which are produced and distributed in great variety by the applicant.
  • the process variable is, for example, the flow of a flowing fluid through a measuring tube, or the level of a medium in a container. However, it can also be given by the pressure, the density, the viscosity, the conductivity, the temperature or the ph value. Also optical sensors, such as turbidity or
  • Absorption sensors are known.
  • the sensors are in many cases by means of suitable sealing mechanisms positively and / or non-positively integrated into a pipe section or directly welded together and / or glued.
  • gaps, joints and / or dead spaces can arise.
  • gaps, joints and / or dead spaces between the individual components are not or only to a very limited extent acceptable. Namely, in such connection areas there are potential reservoirs for harmful germs. For example, to prevent deposits or the formation of a biofilm within a pipeline, a residue-free as possible cleaning should be guaranteed.
  • ASME American Society of Mechanical Engineers
  • BPE BPE
  • 3-A Sanitary Standards Incorporation
  • EHEDG European Hygienic Design Group
  • Typical requirements for a component formulated in these standards relate in particular to the geometry and / or surface of the respective component, which should be such that no deposits can form and the respective component is easy to clean and / or sterilize.
  • the EHEDG standard excludes sharp-edged transitions.
  • DE102013100158A1 has disclosed, for example, a one-piece device with a sensor and a T-shaped adapter as the pipe section.
  • the sensor is arranged in a partial region of the adapter such that the end face of the sensor facing the medium lies flush with the front side of the inner surface of the first partial region of the adapter.
  • the end face of the sensor is thus virtually an integral part of the inner surface of the first portion of the adapter. This, in relation to the production comparatively complicated construction avoids a gap formation in the connecting areas.
  • the present invention has for its object to provide a measuring arrangement, which easily meets the usual hygiene requirements.
  • Measuring device for determining and / or monitoring at least one process variable of a medium in a pipeline according to claim 1.
  • the arrangement according to the invention comprises at least
  • a sensor for determining and / or monitoring the at least one process variable with at least one sensor unit and an electronic unit
  • pipeline section which pipeline section has at least one first and one second opening for introducing the pipeline section into an existing pipeline system, and a third opening, wherein at least one first component of the sensor unit is releasably insertable into the third opening,
  • the at least one first component of the sensor unit is configured such that in the case that it is introduced into the third opening, substantially flush with an inner wall of the pipe section, in particular with a portion of the inner wall, which at least partially adjacent to the third opening , concludes.
  • the sensor is thus arranged such that the at least one first, in particular the medium-facing component, in particular at least one, the medium-facing end face of the component, front flush and detachable with a
  • This component, or at least one end face of the component facing the medium is preferably brought into contact with the medium at least partially and / or temporarily during operation of the measuring arrangement. Since the component, or the end face of the component, is substantially flush with the third opening of the pipe section, the contact area between sensor and medium is advantageously limited to this surface.
  • the flush-mounted arrangement further ensures a substantially residue-free cleaning of the assembly, which is especially for applications in the sterile
  • At least the at least one component of the sensor is preferably dimensioned such that the dimensions are adapted to the dimensions of the third opening.
  • at least the component of the sensor preferably also has a substantially cylindrical geometry, at least in the area of the end face facing the medium
  • Pipe section be arranged.
  • the first and second openings of the pipeline section are preferably aligned along a straight line and serve to connect the pipeline section to an existing pipeline system.
  • the diameters of the first and second openings are corresponding, not necessarily, but preferably, identical. to
  • Attachment of the pipe section in an existing piping system are all known to those skilled Befest Trentsigunslinidslinidslinids, such as flange or welded joints.
  • the modular design of the measuring arrangement according to the invention advantageously allows a simple production of the entire arrangement. Furthermore, due to the modular structure, individual components of the arrangement can be replaced individually. In particular, in the case that the pipe section is welded into an existing piping system, a defective sensor can be replaced without to have to intervene again in the existing pipeline system with the pipe section.
  • the senor is a capacitive and / or conductive sensor, wherein the sensor unit of the sensor preferably comprises at least a first electrode and at least one second electrode electrically isolated from the first electrode.
  • the second electrode is generally referred to as a guard electrode.
  • a flush-mounted, capacitive and / or conductive sensor which is preferably used for the detection of a predetermined level, or the conductivity of the medium.
  • sensors are, for example, from the documents DE10201 1004807A1, DE102013102055A1, or also
  • Designation FTW33 manufactured and sold.
  • the at least one first component of the sensor unit is an electrode assembly having a, in particular circular, end face,
  • At least one electrode of the electrode assembly terminates substantially with the end face, and wherein the, in particular circular, end face in the form of a substantially planar surface, or in the form of a curved surface, in particular a surface with a radius of curvature, which
  • Curvature radius of the pipe section in the region of the third opening corresponds, is configured.
  • a radius of curvature of the end face is adapted in the case of a curved end face in particular to a radius of the pipe section in the region of the third opening.
  • Component and an edging of the third opening substantially to a gap-free and / or dead space transition. Between the at least one first component and the walling of the third opening, no deposits or soiling can advantageously accumulate.
  • the invention is therefore ideal for use, for example in sterile process engineering.
  • An embodiment of the arrangement according to the invention provides that the at least one first component is introduced by means of a clearance fit or by means of a press fit in the third opening.
  • Another embodiment of the arrangement according to the invention provides, in turn, that the at least one first component of the sensor unit is introduced into the third opening by means of a sealing element, which is arranged at least partially in the region of the transition between the component and the edge of the third opening. wherein the sealing element and the at least one first
  • Component seal the third opening to the medium.
  • the sealing element is a molded seal, in particular in the form of an injection-molded component, in particular a molded seal with an annular element and at least one snap-in hook.
  • the sealing element may also be an O-ring.
  • the sealing element preferably consists at least partially of an elastomer, in particular ethylene-propylene-diene rubber (EPDM for short) or a thermoplastic, in particular polyetheretherketone (PEEK for short).
  • EPDM ethylene-propylene-diene rubber
  • PEEK polyetheretherketone
  • a material is selected for the sealing element, which material is already used in the region of the at least one component of the sensor in each media-contacting partial area, provided that the at least one component at least partially has a material suitable for a sealing element.
  • the isolations of PEEK separating the individual electrodes from one another are formed so that the use of PEEK is likewise possible for the sealing element. In this way, the number of process-contacting materials can be minimized.
  • the pipe section is in the form of a T-piece with a first portion and one to the first
  • a further embodiment includes a fastening unit for attaching, in particular detachable, at least one second component of the sensor to or in the third opening.
  • the entire sensor can be attached to the electronics unit by means of the fastening unit on or in the third opening, in particular detachably.
  • the fastening unit comprises a union nut.
  • This can for example be arranged on a housing of the sensor, while that portion of the pipe section in which the third opening is arranged, has a thread complementary to the union nut thread.
  • At least one positioning unit is provided for aligning at least the at least one component of the sensor at or in the third opening.
  • This is preferably a twist protection, for example in the form of a pin and a bore complementary to the pin.
  • the pipe section is a turning, milling, or casting part, or a component produced by a generative manufacturing method.
  • a generative or additive manufacturing process is to be understood here as meaning a process in which plastic parts are produced in a primary molding process. Such generative manufacturing processes, which in principle a
  • FIG. 1 shows a schematic illustration of a front-flush capacitive and / or conductive sensor according to the prior art
  • FIG. 2 shows a first embodiment of the present invention, in which the at least one first component is detachably fastened in the pipe section by means of a molded seal, in different views a ) -e),
  • FIG 3 shows a second embodiment of the present invention, in which the at least one first component is detachably fastened in the pipeline section by means of an O-ring, in different views a) -c),
  • FIG. 4 shows a third embodiment of the present invention in which the at least one first component is releasably secured in the pipe section by means of a press fit, in different views a) -b), and
  • FIG. 5 shows a fourth embodiment of the present invention, wherein the sensor terminates in the third opening with a planar end face in two different views a) and b).
  • the present invention is applicable to a variety of different sensors 1. However, without limiting the generality, the following description refers to the case of a flush-mounted capacitive and / or conductive sensor 1, as shown schematically in FIG. 1, for the sake of simplicity. Furthermore, the present invention also for a variety of different configurations, in particular for a variety of different geometries, for the
  • Pipe section 7 can be used. Likewise, without limiting the generality, however, the following description relates, for the sake of simplicity, exclusively to a T-shaped pipe section 7.
  • the a capacitive and / or conductive measuring device in particular a
  • Level gauge underlying measurement methods are known per se from the prior art.
  • Corresponding field devices are manufactured and sold by the applicant, for example, under the name LIQUIPOINT.
  • a schematic representation of a corresponding sensor 1 is shown in FIG.
  • the sensor 1 comprises a
  • Sensor unit 2 which, when the field device 1 is placed in a container, substantially flush with the front of the container, and an electronics unit 3, which is detachably connectable via a connecting cable 3a, for example, with an external unit (not shown).
  • the sensor unit 2 is constructed substantially coaxially and comprises a
  • Electrode assembly 4 which comprises in the example shown a measuring electrode 5a, a guard electrode 5b and a ground electrode 5c. There are too
  • the electrode assembly 4 is adjoined by a housing 6, in which inter alia the electronics unit 3 is arranged.
  • the process connection 6a serves for the releasable attachment of the sensor 1 to a container, for example a container or a pipe section 7, as shown in FIGS. 2 to 5.
  • a container for example a container or a pipe section 7, as shown in FIGS. 2 to 5.
  • FIGS. 2 to 5 Four different embodiments for a measuring arrangement 8 according to the invention are shown below. The individual versions can be combined in any combination. It should also be noted that the present invention is by no means limited to the variants shown.
  • a first possible embodiment is the subject of FIG. 2.
  • FIG. 2a a perspective view of the measuring arrangement 8 is shown.
  • the pipe section 7 has a first 9a and second 9b opening, by means of which two openings 9a, 9b of the pipe section 7 in an existing piping system (not shown) can be integrated.
  • a second portion 10b of the pipe section 7 Perpendicular to this first portion 10a, a second portion 10b of the pipe section 7 is arranged, which with a third opening 9c with is connected to the first portion 10a.
  • a capacitive / conductive sensor 1 is detachably arranged, whose electrode assembly 4 is flush with the third opening 9c.
  • a fastening element 1 here for example in the form of a union nut, the sensor 1 on the second portion 10 b of the pipe section 7 is detachably fastened.
  • the sensor 1 in addition to the fastener on a paragraph 1 1 a, which for positioning the sensor 1 within the third opening 9c during the
  • a positioning unit 1 1 b is further in the region of the paragraph 1 1 a arranged.
  • This comprises a pin, which is arranged in the region of the paragraph 1 1 a on the sensor 1. The pin engages in the arrangement of the sensor 1 in the third opening 9c, for example, in a bore within the
  • Pipe section 7 a [not shown here], which is complementary in terms of Dimendions mich and arrangement to the pin.
  • the positioning unit thus serves in principle as a protection against twisting, or the correct alignment of the electrode assembly 4 within the sensor 1.
  • the electrode assembly 4 of the sensor is fixed by means of a sealing element 12 in the third opening 9 c.
  • the sealing element 12 is a molded seal, which consists of an annular seal
  • the snap hooks 14a, 14b are advantageous in the assembly or disassembly of the sensor 1 in the pipe section 7.
  • the snap hooks 14a14b can be gephilrleitstet example that when removing the sensor 1 from the pipe section 7, the sealing element 12 remains on the sensor 1.
  • the second subregion 10b has in the region of the third opening 9c a geometry which is partially complementary to the sealing element 12, as can be seen from FIG. 2b.
  • the portion 10b is provided with two recesses 15a, 15b (only one visible), in which the snap hooks 14a, 14b can engage, and a taper 16 in the region facing the third opening 9c, fitted.
  • the sealing element 12 is placed on the second portion 10b, such that a portion of the annular element 13 in the region of the taper and the snap hooks 14a, 14b in the region of the recesses 15a, 15b are angeodnet ,
  • the electrode assembly 4 is disposed within the third opening 9c, such that the annular element 13 surrounds the electrode assembly 4 in the region of the third opening 9c and the transition 17, in particular a transition region between the edge 18 of the third opening 7c (visible in Fig. 2e) and the electrode assembly 13 seals against a medium.
  • the arrangement 8 according to the invention ensures that the transition 17 is a gap-free and dead space-free transition 17, so that the
  • inventive arrangement is ideally suited for use in sterile process engineering and meets the usual hygiene requirements.
  • An end face S of the electrode assembly 4 facing the medium is curved, the radius of curvature of the end face S being adapted to the curvature of the pipe section 7 in the region of the third opening 9c.
  • two electrodes of the electrode assembly 4 for example a measuring electrode 5 a and a guard electrode 5 b of the sensor 1, which also terminate with the end face S.
  • a side view of the first illustrated embodiment of the present invention is finally shown in Fig. 2e.
  • the electrode assembly 4 terminates flush with the third opening 9c, wherein the curvature of the end face is adapted to the curvature of the pipe section 7 in the region of the third opening 7c.
  • the measuring arrangement is therefore ideal for use in the sterile
  • the second portion 10b has a to the thread of
  • the senor 1 is designed in a compact design, so that directly to the electrode assembly 4, a housing 6 with integrated
  • Electronic unit 3 connects.
  • the housing 6 with the electronics unit 3 are also partially disposed within the second portion 10b.
  • FIG. 8 A second embodiment of the arrangement 8 according to the invention is shown in FIG. On already explained elements of the assembly 8 will not be discussed again in detail at this point.
  • the electrode assembly 4 also closes flush with a front
  • the medium-facing end face S of the electrode assembly 4 is executed here curved.
  • the sealing element 12 is flattened for the embodiment of FIG. 3 in the form of an O-ring.
  • a shoulder 20 is integrally formed on the pipe section 7 in the region of the third opening 9c, as can be seen in FIG. 3c, which secures the sealing element 12, in this case the O-ring, in the third opening 9c.
  • the electrode assembly 4 by means of a play or press fit 21 in the second section of the pipe section. 7 brought in.
  • no sealing element 12 is provided.
  • the electrode assembly 4 also terminates here with a curved end face S.
  • a final exemplary embodiment is the subject of Fig. 5.
  • Electrode assembly 4 is fixed in the third opening 9c by means of a sealing element 12 in the form of an O-ring.
  • a sealing element 12 in the form of an O-ring.
  • the medium-facing end face S of the electrode assembly 4 is designed planar here. This is advantageous in terms of a simple, low-cost production of the electrode assembly. However, ensuring one is in the

Abstract

la présente invention concerne un système modulaire (8) permettant de déterminer et/ou de surveiller au moins une grandeur de processus d'un milieu dans un conduit, ledit ensemble modulaire comprenant au moins : un capteur (1) pour déterminer et/ou surveiller ladite au moins une grandeur de processus, lequel présente au moins une unité de détection (2) et une unité électronique (3), ainsi qu'une partie de conduit (7), laquelle partie de conduit (7) présente au moins une première (9a) et une deuxième (9b) ouverture pour insérer la partie de conduit (7) dans un système de conduits existant et une troisième ouverture (9c), au moins un premier composant (4) de l'unité de détection (2) pouvant être introduit de manière détachable dans la troisième ouverture (9c), ledit au moins un premier composant (4) de l'unité de détection (2) est conçu de sorte à fermer en affleurement frontal une paroi intérieure (19) de la partie de conduit (7), en particulier une zone partielle de la paroi intérieure (19), qui jouxte au moins en partie la troisième ouverture (9c), dans le cas où ledit premier composant est inséré dans la troisième ouverture (9c).
PCT/EP2017/077302 2016-11-11 2017-10-25 Dispositif de mesure pour déterminer et/ou surveiller au moins une grandeur de processus d'un milieu dans un conduit WO2018086888A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016121643.7 2016-11-11
DE102016121643.7A DE102016121643A1 (de) 2016-11-11 2016-11-11 Messanordnung zur Bestimmung und/oder Überwachung zumindest einer Prozessgröße eines Mediums in einer Rohrleitung

Publications (1)

Publication Number Publication Date
WO2018086888A1 true WO2018086888A1 (fr) 2018-05-17

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PCT/EP2017/077302 WO2018086888A1 (fr) 2016-11-11 2017-10-25 Dispositif de mesure pour déterminer et/ou surveiller au moins une grandeur de processus d'un milieu dans un conduit

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DE (1) DE102016121643A1 (fr)
WO (1) WO2018086888A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017115139A1 (de) 2017-07-06 2019-01-10 Endress+Hauser SE+Co. KG Messrohr und Messrohr zur Bestimmung und/oder Überwachung zumindest einer Prozessgröße eines Mediums
DE102019109787A1 (de) 2019-04-12 2020-10-15 Endress+Hauser SE+Co. KG Hygienegerechter Rohradapter

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DE102011004807A1 (de) 2011-02-28 2012-08-30 Endress + Hauser Gmbh + Co. Kg Sondeneinheit
WO2014095419A1 (fr) * 2012-12-21 2014-06-26 Endress+Hauser Gmbh+Co. Kg Dispositif permettant de définir ou de surveiller une grandeur de processus d'un milieu dans une conduite
DE202014103822U1 (de) * 2014-08-18 2014-09-01 Balluff Gmbh Verschlusskappe für ein Sensorgehäuse und Sensorset
DE102013102055A1 (de) 2013-03-01 2014-09-18 Endress + Hauser Gmbh + Co. Kg Verfahren und Vorrichtung zur Überwachung eines vorgegebenen Füllstands eines Mediums in einem Behälter
DE102013104781A1 (de) 2013-05-08 2014-11-13 Endress + Hauser Gmbh + Co. Kg Verfahren zur Überwachung zumindest einer medienspezifischen Eigenschaft eines Mediums

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US3980542A (en) * 1975-07-14 1976-09-14 Petrolite Corporation Flush mounted probe for corrosion testing
DE10156203C1 (de) * 2001-11-15 2003-04-03 Hermann Scheck Verfahren und Vorrichtung zur Prüfung der Leitfähigkeit einer Flüssigkeit auf Veränderung
DE102011007908A1 (de) * 2011-04-21 2012-10-25 Endress+Hauser Meßtechnik GmbH+Co.KG Verfahren und Vorrichtung zur Leckageerkennung von Molchen in Molchanlagen
DE102011084906A1 (de) * 2011-10-20 2013-04-25 Endress+Hauser Meßtechnik GmbH+Co.KG Verfahren zur Überwachung einer Pumpe für Flüssigkeiten und Pumpe
DE102012104075A1 (de) * 2012-05-09 2013-11-14 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer Prozessgröße eines Mediums

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Publication number Priority date Publication date Assignee Title
DE102011004807A1 (de) 2011-02-28 2012-08-30 Endress + Hauser Gmbh + Co. Kg Sondeneinheit
WO2014095419A1 (fr) * 2012-12-21 2014-06-26 Endress+Hauser Gmbh+Co. Kg Dispositif permettant de définir ou de surveiller une grandeur de processus d'un milieu dans une conduite
DE102013100158A1 (de) 2012-12-21 2014-07-10 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung oder Überwachung einer Prozessgröße eines Mediums in einer Rohrleitung
DE102013102055A1 (de) 2013-03-01 2014-09-18 Endress + Hauser Gmbh + Co. Kg Verfahren und Vorrichtung zur Überwachung eines vorgegebenen Füllstands eines Mediums in einem Behälter
DE102013104781A1 (de) 2013-05-08 2014-11-13 Endress + Hauser Gmbh + Co. Kg Verfahren zur Überwachung zumindest einer medienspezifischen Eigenschaft eines Mediums
DE202014103822U1 (de) * 2014-08-18 2014-09-01 Balluff Gmbh Verschlusskappe für ein Sensorgehäuse und Sensorset

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