Abstract: A holding part is provided for connecting two pipes running parallel to each other, such as the two parallel measuring pipes of a Coriolis mass flowmeter, at a defined spacing. The holding part includes a first holding ring with a first holding opening for a first pipe, a second holding ring with a second holding opening for a second pipe, and a holding web firmly connecting the two holding rings and defining the spacing between the two holding rings. The holding part also includes a first slot running radially and having a first slot width in the first holding ring, a second slot running radially and having a second slot width in the second holding ring, and a slot width changing device, by actuation of which the first and the second slot width and therefore the diameter of the first and second holding opening can be changed simultaneously.

Abstract: A flow measurement device and a method of manufacturing a flow measurement device having a measurement tube made from plastic or at least a plastic liner are provided. According to an exemplary embodiment, the measurement tube can be fabricated from plastic in an injection molding apparatus. Thereafter, electrical components of the measurement tube, such as electrodes and a coil holder, for example, can be concomitantly injection molded in a common, separate injection molding process. The electrical components can there be installed easier and more reliably in position.

Abstract: A holding part is provided for connecting two pipes running parallel to each other, such as the two parallel measuring pipes of a Coriolis mass flowmeter, at a defined spacing. The holding part includes a first holding ring with a first holding opening for a first pipe, a second holding ring with a second holding opening for a second pipe, and a holding web firmly connecting the two holding rings and defining the spacing between the two holding rings. The holding part also includes a first slot running radially and having a first slot width in the first holding ring, a second slot running radially and having a second slot width in the second holding ring, and a slot width changing device, by actuation of which the first and the second slot width and therefore the diameter of the first and second holding opening can be changed simultaneously.

Abstract: Disclosed is a method for diagnosing technical devices, especially pumps and valves, which are arranged within an installation used in the processing industry. According to said method, disturbance variables that affect the devices and influence the service life thereof are detected by means of sensory technology while the data of said disturbance variables is processed in a simulative manner in order to determine the expected service life of each device. Various maintenance instructions which are output along with the expected remaining trouble-free operating time of the industrial installation when a lower service life threshold value of one or several devices has been reached are stored in an expert unit.

Abstract: The invention relates to a method for operating a measuring device, especially a flowmeter. The aim of the invention is to simplify inspection if the sensors have been correctly installed. For this purpose, the installation state is detected by the sensors themselves, i.e. by sensing a corresponding sensor value and comparing it with characteristic data. The result of comparison is electronically evaluated and automatically estimated whether the characteristic data obtained match the comparative data within at least a defined tolerance.

Abstract: A connecting box is provided for a field device. To simplify installation even in the case of physically small devices, a connecting terminal of the connecting box is arranged in a cover of the connecting box so that when the cover is closed, the connecting terminal is contact-connectd to a contact strip arranged in the cover and having contacts corresponding to those of the connecting terminal.

Abstract: A flowmeter, such as an inductive flowmeter, is disclosed which includes a measuring tube made of plastic or haivng at least one plastic lining. Exemplary embodiments can assess a measurement in a highly accurate and reliable manner, and measure further physical variables using a relatively simple design, wherein measuring devices can be directly connected to a flow measurement location. For example, at least one pressure and/or temperature and/or field sensor can be introduced into plastic material of the plastic measuring tube or the plastic lining.

Abstract: A flow measurement device and a method of manufacturing a flow measurement device having a measurement tube made from plastic or at least a plastic liner are provided. According to an exemplary embodiment, the measurement tube can be fabricated from plastic in an injection molding apparatus. Thereafter, electrical components of the measurement tube, such as electrodes and a coil holder, for example, can be concomitantly injection molded in a common, separate injection molding process. The electrical components can there be installed easier and more reliably in position.

Abstract: A flowmeter includes a measuring tube made of plastic or at least a plastic lining. The plastic measuring tube or the measuring tube internally lined with plastic is provided with a layer sequence of insulating plastic layers and conductive layers to comprehensively diagnose a state of performance of the flowmeter.

Abstract: A vortex flowmeter is disclosed, which includes, among other features, a closed measuring tube, through which a flowable medium that is to be quantitatively measured flows, the medium flowing against a disturbing element that is arranged in the measuring tube. A vibration sensor is arranged downstream in the direction of flow detecting the vortex frequency generated by the disturbing element. An electronic evaluation unit is disposed downstream of the vibration sensor converting it into an electric signal corresponding to the quantitative flow rate or volumetric flow rate. The relative position can be changed between the measuring tube and the disturbing element and/or the measuring tube and the vibration sensor in a signal-optimizing manner.

Abstract: A vortex flowmeter is disclosed, which includes, among other features, a closed measuring tube, through which a flowable medium that is to be quantitatively measured flows, the medium flowing against a disturbing element that is arranged in the measuring tube. A vibration sensor is arranged downstream in the direction of flow detecting the vortex frequency generated by the disturbing element. An electronic evaluation unit is disposed downstream of the vibration sensor converting it into an electric signal corresponding to the quantitative flow rate or volumetric flow rate. The relative position can be changed between the measuring tube and the disturbing element and/or the measuring tube and the vibration sensor in a signal-optimizing manner.

Abstract: A method and device is disclosed for functional checking of a field device in a field bus system before the commissioning thereof. After installation and connection of the field device, a functional checking algorithm is carried out with regard to meeting relevant connection parameters, whereby commissioning of the field device is permitted when all connection parameters to be checked by the functional checking algorithm are within permitted ranges.

Abstract: A magnetic-inductive flow meter with a measuring tube (1) made of metal, which is flowed through by a medium (4) which has a minimum electrical conductivity and is permeated by a magnetic field generated by means of an arrangement of magnets (5), in the region of which field at least two measuring electrodes (6) arranged diametrically on the measuring tube (1) are provided for sensing the inductively generated measuring voltage, the metal measuring tube (1) being provided with an electrically insulating inner layer (7) and an electrically conductive grounding disk (8) being arranged at the end face for grounding the medium flowing through the measuring tube (1), which disk is connected to ground via the measuring tube, the grounding disk (8?) consisting of an electrically conductive plastic which comes to lie in sealing contact directly against the end face (2) of the measuring tube (1) in order to be connected to ground by the direct contact.

Abstract: Disclosed is a method for diagnosing technical devices, especially pumps and valves, which are arranged within an installation used in the processing industry. According to said method, disturbance variables that affect the devices and influence the service life thereof are detected by means of sensory technology while the data of said disturbance variables is processed in a simulative manner in order to determine the expected service life of each device. Various maintenance instructions which are output along with the expected remaining trouble-free operating time of the industrial installation when a lower service life threshold value of one or several devices has been reached are stored in an expert unit.

Abstract: The invention relates to a method for operating a measuring device, especially a flowmeter, according to the preamble of claim 1. The aim of the invention is to simplify inspection if the sensors have been correctly installed. For this purpose, the installation state is detected by the sensors themselves, i.e. by sensing a corresponding sensor value and comparing it with characteristic data. The result of comparison is electronically evaluated and automatically estimated whether the characteristic data obtained match the comparative data within at least a defined tolerance.

Abstract: A magnetic-inductive flow meter with a measuring tube (1) made of metal, which is flowed through by a medium (4) which has a minimum electrical conductivity and is permeated by a magnetic field generated by means of an arrangement of magnets (5), in the region of which field at least two measuring electrodes (6) arranged diametrically on the measuring tube (1) are provided for sensing the inductively generated measuring voltage, the metal measuring tube (1) being provided with an electrically insulating inner layer (7) and an electrically conductive grounding disk (8) being arranged at the end face for grounding the medium flowing through the measuring tube (1), which disk is connected to ground via the measuring tube, the grounding disk (8?) consisting of an electrically conductive plastic which comes to lie in sealing contact directly against the end face (2) of the measuring tube (1) in order to be connected to ground by the direct contact.

Abstract: The invention relates to a method for operating a flowmeter according to the generic part of claim 1. In order to make it possible to generate signals in an optimal manner in all conditions, the actual signal-to-noise ratio is automatically determined in the signal processing unit of the flowmeter during the measurement phase, and the power supplied to the measurement system is adjusted in accordance with the result.

Abstract: An electromagnetic flowmeter whose primary includes a flow tube through which the fluid to be metered is conducted to intersect a magnetic field and thereby induce a voltage therein that is transferred to electrodes to produce an electrode signal as a function of flow rate, which signal includes a noise voltage. The electrode signal is applied to the input amplifier of a secondary whose output is fed to one input of a summing stage, the output of which is fed to a range amplifier that yields a test voltage, the input and range amplifiers producing offset voltages. To compensate for the noise and offset voltages, a compensation voltage is derived from the test voltage and applied to the other input of the summing stage. This compensation voltage is produced only when the test voltage exceeds a predetermined threshold value.