| Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Patent applications |
| Patent application number | Title | Published |
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| 20120133935 | MEASURING SYSTEMS FOR MEASURING ABSORPTION OR SCATTERING AT DIFFERENT WAVELENGTHS - A measuring system for measuring absorption or scattering of a medium at a plurality of different wavelengths, whereby the measurements for the different wavelengths are performable as simultaneously and as accurately as possible. The measuring system comprises: a measuring chamber; a transmitting unit, which sends light of its respective wavelength into the measuring chamber; a control, which operates each light source with a different time modulation of transmission intensity for each wavelength; a detector for measuring a total radiation intensity. The total radiation intensity corresponds to a superpositioning of each intensity portion striking the detector for each wavelength; and a signal processing system, which determines for each of the wavelengths the associated intensity portion based on the total radiation intensity measured by detector and the modulations. | 05-31-2012 |
| 20120119101 | Miniature UV sensor utilizing a disposable flow cell - An optical sensor is provided utilizing a disposable flow cell with a cell body, an inlet tube and an outlet tube providing a flow passageway extending between the inlet tube and the outlet tube through the cell body. The sensor comprises a first housing component comprising an open front end and a back end to which a removable light source is mounted and a second housing component comprising an open front end and a back end to which a light detector for detecting light emitted by the removable light source is mounted. The first and second housing components are detachably connected to one another, the open front ends of first and second housing components being tightly engaged to provide a sensor housing which accommodates and encloses the disposable flow cell. The light source and the detector are positioned at opposing sides of the cell body, an optical pathway extending along an axis between the light source and the detector through the cell body perpendicular to the flow passageway. The inlet tube and the outlet tube extend through apertures formed by corresponding recesses of the front ends of the first and the second housing component. | 05-17-2012 |
| 20120098550 | Method for manufacture of an inductive sensor - A method for manufacture of an inductive sensor, wherein coils are placed on both sides of a support plate surrounding an opening of the support plate, and the support plate with the coils is inserted into a housing. A sleeve is inserted through a first cavity of the housing through the opening of the support plate into the housing. In order to achieve a secure and temperature independent joint between the sleeve and the housing, the sleeve ( | 04-26-2012 |
| 20120092025 | Conductivity Sensor - A conductivity sensor, comprising an electrode structure of four concentric electrodes, which are arranged on an end face of a support body. The electrodes are electrically insulated from one another. The electrodes have an equal, constant area in order to claim a space requirement as small as possible for the electrode structure. | 04-19-2012 |
| 20120073989 | METHOD FOR OPERATING A MEASURING DEVICE HAVING AT LEAST ONE PROBE, WHICH HAS AT LEAST ONE ION SELECTIVE ELECTRODE - A method for operating a measuring device comprising the following steps: providing a first sample of the liquid; ascertaining an updated calibration function by means of a standard addition method, wherein the first sample is supplemented at least once with a standard solution, which has a known concentration of the measured ion; determining a measured value of concentration of the measured ion in the first sample; providing a second sample of the liquid; ascertaining a measured value of concentration of the measured ion in the second sample as a reference measured ion concentration (c | 03-29-2012 |
| 20120055814 | METHOD FOR DETERMINING ION CONCENTRATION OR CONCENTRATION OF A SUBSTANCE IN A SOLUTION - Method for determining ion concentration or concentration of a substance in a solution by means of an ion selective, field effect transistor or an ion sensitive sensor having an EIS structure. The method comprises steps as follows: at least at a predetermined point in time of a first measuring phase, the potential lying on the electrode is sensed relative to a reference potential; before beginning a sterilization- and/or cleaning phase following the first measuring phase, the last voltage sensed during the first measuring phase is stored; and at the beginning of a second measuring phase following the sterilization- and/or cleaning phase, is the voltage stored during the sterilization phase is applied on the electrode. | 03-08-2012 |
| 20120038925 | Method for examining liquids and apparatus therefor - A method and apparatus for determining a property of a medium, the apparatus including: a light source in a housing, for irradiating a space along a measuring path; a receiver in a housing, for registering intensity of light which has traversed the measuring path; wherein the measuring path enters through a first window section in a wall of the housing of the light source into the space, and wherein the measuring path leaves from the space through a second window section in a wall of the housing of the receiver. A medium to be measured is introducible in such a manner into the space, that the measuring path for a media measurement extends through the measured medium. At least one reference absorber, which is introducible at times into the space; and wherein the measuring path for at least one reference measurement extends through the reference absorber, when the reference absorber is brought into the space. | 02-16-2012 |
| 20120036948 | ASSEMBLY DEVICE FOR A MEASURING PROBE FOR MEASURING PROCESS VARIABLES IN A PROCESS - An assembly device, especially a retractable assembly, for a measuring probe for measuring process variables in a process, comprising: an assembly housing with a connection system for connecting the assembly device to a process container; a tubular holder for a measuring probe, wherein the tubular holder is guided in the assembly housing axially displaceably between a measuring position in the process container and a maintenance position outside of the process container; and a damping system to damp axial shifting of the tubular holder. The damping system comprises a fluid filled, damping cylinder within the assembly housing, and a damping piston unit guided within the damping cylinder (15) in operative connection with the tubular holder. | 02-16-2012 |
| 20120028361 | Method for determining number of drops - A method for determining the number of drops metered with a drop frequency into a reactor, especially in a high temperature decomposition system for analyzers, wherein a gas stream is flowing through the reactor. There exists in the reactor a temperature, which is greater than the boiling temperature of the liquid, and a drop metered into the reactor transforms at least partially into the gas phase following entry into the reactor, especially due to heat transfer from contact with a surface within the reactor, especially directly after contact with the surface within the reactor. With a sampling rate, which is greater than the drop frequency, a sequence of pressure signals dependent on pressure within the reactor is registered, and, from the sequence of pressure signals or from values derived therefrom, the number of drops metered into the reactor is ascertained. | 02-02-2012 |
| 20120020430 | METHOD AND CIRCUIT FOR SIGNAL TRANSMISSION VIA A CURRENT LOOP - A method for signal transmission between a first and a second system; wherein the first and the second system are connected with one another via a current loop. A direct current signal is transmitted in a first frequency range and an alternating current signal in a second frequency range via the current loop. The direct current signal and the alternating current signal are superimposed and the alternating current signal is used for digital signal transmission and the direct current signal is used for analog signal transmission. By means of a control unit, a first data stream is produced, in which the direct current signal and alternating current signal to be set in the current loop are digitally encrypted. The first data stream is transmitted to an electrical current output circuit and the transmitted first data stream is converted by the electrical current output circuit into an electrical current signal. The electrical current signal is composed of the superimposed direct current signal and alternating current signal, or the transmitted first data stream is converted by the electrical current output circuit into the direct current signal and the alternating current signal. The electrical current signal or the direct current signal and the alternating current signal are set in the current loop. | 01-26-2012 |
| 20120018722 | ION-SENSITIVE SENSOR WITH MULTILAYER CONSTRUCTION IN THE SENSITIVE REGION - An ion-sensitive sensor with an EIS structure includes: a semiconductor substrate, on which a layer of a substrate oxide | 01-26-2012 |
| 20110309848 | CONDUCTIVE CONDUCTIVITY SENSOR - In a conductive conductivity sensor having a probe, which is immersible in a measured medium and which comprises at least two electrodes made of a first, electrically conductive material and at least one probe body made of a second, electrically non-conductive material, the electrodes are at least partially embedded in the probe body and insulated from one another by the probe body, wherein the electrodes and the probe body are embodied as a composite workpiece. There especially exists between the first material and the second material in at least one section of a material transition between the first and the second material a secure bond, especially a bond based on intermolecular interactions or chemical bonds. | 12-22-2011 |
| 20110302989 | Method for safe performance of a calibration and/or an adjusting of a measured variable of a measuring device in automation technology, especially in process analysis technology - A method for safe performance of a calibration and/or an adjusting of a measured variable of a measuring device in automation technology, especially in process analysis technology, in the case of which a calibration result or an adjusting value is ascertained and shown on a display. In order to assure reliable adjusting or calibrating of a measured variable of a measuring device, the calibration result or the adjusting value is shown in multiple instances at random locations of the display, wherein, upon agreement of all shown calibration results or adjusting values, a confirmation is effected by a user of the measuring device. | 12-15-2011 |
| 20110290045 | Probe Arrangement - A probe arrangement, in the case of which a probe is arranged within a tubular housing, wherein the tubular housing has at least one process window open to the process medium, and at least one functional element is secured on the probe and surrounded by the process medium. In order to suppress a taking along of the process medium during transfer of the functional element from the measured medium into a rinsing chamber, the tubular housing includes at least one treatment window open opposite the probe (3), preferably for washing, rinsing and/or calibrating the functional element, wherein the functional element is movable between the process window and the treatment window, and, during the measuring in the process medium, the at least one functional element is arranged approximately coincident with the at least one process window of the housing. | 12-01-2011 |
| 20110251792 | METHOD FOR SERVICING A FIELD DEVICE OF PROCESS AUTOMATION TECHNOLOGY HAVING AT LEAST TWO MEASUREMENT CHANNELS AND FIELD DEVICE OF PROCESS AUTOMATION TECNOLOGY HAVING AT LEAST TWO MEASUREMENT CHANNELS AND BEING SUITABLE FOR PERFORMING THE METHOD - In a method for servicing a field device of process automation technology having at least two measurement channels, with the assistance of an external service unit, separate device descriptions are provided in the service unit for the measurement channels. The individual measurement channels can be invoked on the service unit via the corresponding device descriptions as logical units, so that, in servicing, the field device appears to the user as at least two logically independent field devices. | 10-13-2011 |
| 20110196658 | METHOD FOR TESTING THE BEHAVIOR OF A PROCESS INSTALLATION - A method for testing the behavior of a process plant as a function of the signals of a sensor, wherein the process plant includes at least one measuring chain with a measurement transmitter, which converts the sensor signal and outputs a measured value, and which has at least one sensor interface for connection of the sensor, wherein the method includes steps as follows: connecting a sensor simulator to the sensor interface for forming a test arrangement; selecting, by means of an input function on the measurement transmitter, a sensor signal to be simulated or a sequence of sensor signals to be simulated; transmitting from the measurement transmitter to the sensor simulator a selection signal corresponding to the selected sensor signal to be simulated or the selected sequence of sensor signals to be simulated; and transmitting from the sensor simulator to the measurement transmitter a simulated sensor signal assigned to the selection signal or a sequence of simulated sensor signals assigned to the selection signal. | 08-11-2011 |
| 20110191063 | Method for determining failure rate of an electrochemical sensor - A method for determining a failure rate of an electrochemical sensor type for a process, wherein the process is defined by determined values, or value intervals, of a plurality of specified process parameters, and wherein a plurality of defect types is specified for the sensor type, comprising steps as follows: assigning, by means of expert knowledge, a defect rate to each combination of one of the values, or value intervals, of the specified process parameters and one of the specified defect types; and calculating the failure rate of the sensor type according to a calculational specification with application of the defect rates assigned to the combinations of a value, or value interval, of a process parameter and a defect type. | 08-04-2011 |
| 20110189050 | PROBE SYSTEM FOR MEASURING A VARIABLE OF A MEDIUM IN A CONTAINER, ESPECIALLY FOR STERILE APPLICATIONS - A probe system for measuring a measured variable of a measured medium, especially a measured liquid, contained in a process container; comprises: | 08-04-2011 |
| 20110153259 | MEASURING SYSTEM FOR DETERMINING A VALUE OF A PHYSICAL OR CHEMICAL, MEASURED VARIABLE OF A MEDIUM AND METHOD FOR OPERATION OF THE MEASURING SYSTEM - A measuring system for determining a value of a physical or chemical, measured variable of a medium, comprises: a base unit; at least one relay unit connected with the base unit and a sensor unit connected with the relay unit. The relay unit is especially embodied to receive from the base unit, and to forward to the sensor unit, data, especially measurement data, operating data, commands or software modules, and/or to receive from the sensor unit, and to forward to the base unit, data, especially measurement data, operating data, commands or software modules wherein the sensor unit comprises a circuit having at least one microcontroller, at least a first memory region, in which a basic software of the sensor unit is stored, and a second memory region, in which an upload software of the sensor unit is stored. The upload software of the sensor unit is embodied, in interaction with the microcontroller, to perform an updating of the basic software of the sensor unit with at least one software module provided from the base unit. The relay unit comprises a circuit having at least one microcontroller, and at least a first memory region in which a basic software of the relay unit is stored. The circuit of the relay unit further comprises a second memory region, in which an upload software of the relay unit is stored, which is embodied, in interaction with the microcontroller of the relay unit, to perform an updating of the basic software of the relay unit with at least one software module provided from the base unit, and the upload software of the sensor unit, for execution by the microcontroller of the sensor unit, is activatable based on a comparison of a data sequence sent from the base unit with a first password assigned to the sensor unit, and the upload software of the relay unit, for execution by the microcontroller of the relay unit, is activatable based on a comparison of a data sequence sent from the base unit with a second password assigned to the relay unit. The second password is different from the first password. | 06-23-2011 |
| 20110153040 | Arrangement with a superordinated control unit and at least one intelligent field device connectable with the control unit - An arrangement with a superordinated control unit and at least one intelligent field device connectable with the control unit, wherein associated with the control unit is at least one interface with a connection element for accommodating a corresponding connection counterpart. The connection counterpart is associable with an interface module, wherein associated with the interface module is a software protection system securing accessing of the field device. The interface module permits communication between the corresponding field device and the superordinated control unit, wherein associated with the superordinated control unit is a software-protected processing program for the field device, and wherein the processing program is started or enabled via the software protection system, when the connection counterpart of the interface module of the field device is connected with the connection element of the control unit. | 06-23-2011 |
| 20110147232 | Method for Operating An ISFET Sensor - A method for operating an ion-sensitive sensor with a measurement circuit which includes an ion-sensitive electrolyte-insulator-semiconductor structure (EIS); | 06-23-2011 |
| 20110147213 | Electrochemical measuring probe, filling arrangment and maintenance system - An electrochemical, especially potentiometric, measuring probe ( | 06-23-2011 |
| 20110140718 | Inductive Conductivity Sensor - A conductivity sensor for measuring conductivity of a medium surrounding the conductivity sensor, including: a first toroidal coil, which surrounds a first traversing opening for accommodating the medium and which serves for inducing an electrical current in the medium, a second toroidal coil, which surrounds a second traversing opening for accommodating the medium and which serves for registering a magnetic field produced by the induced electrical current. At least one of the toroidal coils has a plurality of first conductor sections, which extend in a plane of a multi-ply circuit card, a plurality of second conductor sections, which extend in a second plane of the circuit card, and a plurality of first vias, which connect the first conductor sections with the second conductor sections. The first conductor sections, the second conductor sections and the vias together form the windings of a toroidal coil, wherein at least one toroidal coil is surrounded by a plurality of internally metallized bores, which are arranged in such a manner, that they act as electrical shielding of the toroidal coil. | 06-16-2011 |
| 20110108739 | METHOD FOR THE OPTICAL DETERMINING OF A MEASURED VARIABLE OF A MEDIUM - In a method for determining a measured variable of a measured medium, wherein the measured medium is brought in contact with an indicator or an indicator mixture, whose absorption spectrum has a first, and a second, wavelength range, which essentially do not overlap, | 05-12-2011 |
| 20110107857 | Probe system for measuring a measured variable of fluid contained in a process container, especially for sterile applications - A probe system for measuring a measured variable of a fluid, especially a liquid, contained in a process container comprising: A probe body, which is connectable to the process container by means of a process connection; axially shiftable in a guiding passageway of the probe body between a measuring position and at least two different treatment positions, an immersion tube, which has a protective cylinder on its front end immersible in the fluid; held in the immersion tube, a measuring probe having a measuring head, wherein the measuring head is arranged within a region of the protective cylinder having openings; a first treatment chamber formed between the guiding passageway and the immersion tube; a second treatment chamber formed between the guiding passageway and the immersion tube and adjoining the first treatment chamber on a side of the first treatment chamber facing away from the process connection; and a seal arranged between the first and second treatment chambers, wherein the immersion tube has a first section with a first outer diameter and a second section adjoining the first section and having a second outer diameter smaller than the first outer diameter, so that, through axial shifting of the immersion tube, the seal arranged between the first and second treatment chambers can be opened. | 05-12-2011 |
| 20110083557 | Method and apparatus for removing chloride from samples containing volatile organic carbon - A method for removing chloride from samples containing volatile organic carbon, wherein a chloride containing sample is mixed with a difficultly volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in a sample-acid mixture and then the hydrochloric acid gas is purged by a carrier gas from the sample-acid mixture, wherein the hydrochloric acid gas is removed from the carrier gas following the purging and the carrier gas is fed back to the sample-acid mixture. In order during the hydrochloric acid purging largely to suppress the driving out of easily volatile organic compounds, the sample-acid mixture has a temperature of approximately 3° C. to 30° C., wherein, following the purging from the sample-acid mixture, the hydrochloric acid gas is removed from the carrier gas by absorption with water. | 04-14-2011 |
| 20110056312 | Apparatus for handling a liquid sample - An apparatus for handling a liquid sample, especially for automatic removal of a liquid sample from a sample-taking location, comprising: a control unit; a sample collecting unit; a supply and metering system, which is embodied to convey a liquid sample from the sample-taking location and to meter the sample into a liquid receptacle of the sample collecting unit; a housing with a first housing part, which at least partially surrounds at least the sample collecting unit, and a second housing part, which is separated from the first housing part, and which at least partially surrounds a metering space; wherein at least parts of the supply and metering system are arranged in the metering space; and wherein the apparatus furthermore includes a plate, which is releasably connected with the second housing part surrounding the metering space, and which divides the metering space into a first metering space part and a second metering space part. | 03-10-2011 |
| 20110043807 | METHOD AND APPARATUS FOR TURBIDITY MEASUREMENT - A method for turbidity measurement in a measured medium uses a turbidity sensor, which comprises at least a first and a second emitter and at least a first and a second detector. The first and the second emitters are excited one after the other to produce light signals directed into the measured medium; wherein each light signal travels along a first propagation path through the measured medium to the first detector, and is converted by such into a first detector signal; and travels along a second propagation path through the measured medium to the second detector, and is converted by such into a second detector signal. A turbidity value is ascertained based on the first and the second detector signals; wherein, by means of at least one additional detector, to which at least one of the light signals travels along an additional propagation path, an additional detector signal is ascertained, and, on the basis of the additional detector signal, the turbidity value is checked as regards its plausibility. | 02-24-2011 |
| 20110033917 | SENSOR WITH LONG-TERM STABILITY FOR BIOPROCESSES - A sensor for registering a measured variable of a medium, especially in a bioprocess. The sensor includes a sensor body, wherein at least one surface section of the sensor body can be supplied with the medium, and wherein a condition of this surface section affects the measured value. The sensor is characterized by the fact that the surface section contains a substance with biocidal properties. | 02-10-2011 |
| 20110027893 | Method and apparatus for automated determining of chemical oxygen demand of a liquid sample - A method and apparatus for automated determining of the chemical oxygen demand of a liquid sample, comprising steps as follows: mixing the liquid sample with sulfuric acid; introducing a carrier gas, especially air, into the liquid sample-sulfuric acid mixture; adding an oxidizing agent to the liquid sample-sulfuric acid mixture to form a reaction mixture; heating (especially under reflux conditions) the reaction mixture at the boiling temperature of the reaction mixture for a predetermined time period; photometrically determining consumption of an oxidizing agent in the reaction mixture; and ascertaining therefrom the chemical oxygen demand of the liquid sample, wherein all steps are automatedly performed in an analytical system with the assistance of an evaluating and control unit. | 02-03-2011 |
| 20110019194 | Turbidity measuring device and a method for determing a concentration of a turbidity-causing material - A turbidity measuring device having a four-beam, alternating light arrangement for registering turbidity of a measured medium includes first and second light sources L | 01-27-2011 |
| 20110001490 | Conductivity sensor with switching between transmitting and recieving coil - An inductively working sensor for determining the conductivity of a liquid medium. The sensor includes: at least one transmitting circuit, which is designed to deliver an input signal for a transmitting coil, in order to produce in the transmitting coil an alternating electromagnetic field, which causes a ring-shaped electrical current in the liquid medium; at least one receiving circuit, which is designed to evaluate a received signal produced by the ring-shaped electrical current in a receiving coil; a first coil; a second coil, which is arranged at a distance from the first coil; a switching means for switching between a first switch state and a second switch state, wherein, in the first switch state, the first coil, serving as transmitting coil, is coupled with one of the transmitting circuits; and the second coil, serving as receiving coil, is coupled with one of the receiving circuits, and wherein, in the second switch state, the second coil, serving as transmitting coil, is coupled with one of the transmitting circuits, and the first coil, serving as receiving coil, is coupled with one of the receiving circuits. | 01-06-2011 |
| 20100303413 | ATR PROBE - An ATR probe includes a monolithic ATR body which has a surface section contactable with a medium; a sending light conductor arrangement for sending non-collimated light into the ATR body; a receiving light conductor arrangement for receiving the sent light after passage through the ATR body, wherein the passage of the light through the ATR body includes at least two total reflections on a media-contacting surface of the ATR body. The area of the receiving light conductor arrangement, for receiving the light emerging from the ATR body is greater than the area of the sending light conductor arrangement for sending the light into the ATR body. The ATR body includes preferably at least one section having a conically, or frustoconically, shaped surface 24, and the frustoconically shaped surface can be supplied, at least sectionally, with the medium. | 12-02-2010 |
| 20100294672 | Method and apparatus for determining information concerning presence of constituents of a liquid sample with oxygen demand - In a method and apparatus for determining information concerning the presence of ingredients with oxygen demand in a liquid sample, especially for determining the chemical oxygen demand of a liquid sample, especially a water, or wastewater, sample, by means of electrochemical oxidation of ingredients of the liquid sample, oxidation of ingredients of the liquid sample occurs on a boron doped, diamond electrode. | 11-25-2010 |
| 20100281987 | Device for monitoring one or more process variables - A device for determining or monitoring one or more physical and/or chemical, process variables and having a vibration sensor comprising, a plug-in element and a socket element, which are releasably connected by a pluggable connection and which communicate with one another via an interface, wherein, in the plug-in element or the socket element, a transducer is provided for determining or monitoring a process variable, and wherein the element not having the transducer has the vibration sensor, and the element having the vibration sensor is connectable with a superordinated unit. | 11-11-2010 |
| 20100241402 | FIELD DEVICE FOR PROCESS AUTOMATION - A field device for process automation, composed of at least two components coupleable with one another, wherein, in each of the components, a control/memory unit is provided, in which, in each case, a parameter set with defined parameters is stored, and wherein, for the case, in which the at least two components are coupled with one another, at least one of the control/memory units reads, and compares with one another, the parameter sets stored in the separate control/memory units of the components, and wherein, in the case of a deviation in the parameter sets, the comparing control/memory unit of the control/memory units makes available, to the components coupled with one another, the intersection of the parameters of the parameter sets. | 09-23-2010 |
| 20100230283 | ASSEMBLY AND ELECTROCHEMICAL SENSOR, ESPECIALLY CONDUCTIVITY SENSOR, WITH SUCH AN ASSEMBLY - An assembly, especially an assembly for an electrochemical sensor, includes a functional body of a first material, wherein the surface of the functional body is covered, at least sectionally, with a plastic, protective body. At least one free section of the surface of the functional body is not covered with a plastic, protective body, and wherein the free section is bordered by at least one surrounding, self-closing, boundary line, at which the plastic, protective body lies against the functional body. In the plastic, protective body, spaced from the boundary line, an elastic sealing ring lies sealingly against the surface of the functional body, in order to seal the functional body against a gap arising, in given cases, from the boundary line between the plastic, protective body and the functional body. | 09-16-2010 |
| 20100207643 | INDUCTIVE CONDUCTIVITY MEASUREMENT CELL - An inductive conductivity measurement cell of the invention includes: sending coil, a receiving coil, and a coil support body having an annular, sending coil chamber and an annular, receiving coil chamber, wherein there extends through the coil support body at least one section of a closed media path, which passes through the sending coil chamber and through the receiving coil chamber, characterized in that the coil support body has first connection bores, which extend from a surface of the coil support body to the sending coil chamber and through which the connection lines of the sending coil extend, and second connection bores, which extend from a surface of the coil support body to the receiving coil chamber and through which the connection lines of the receiving coil extend. The connection lines of the sending coil in the first connection bores are shielded from the connection lines of the receiving coil in the second connection bores by the coil support body. | 08-19-2010 |
| 20100178706 | METHOD FOR MONITORING CONCENTRATION OF WATER BORNE SUBSTANCE IN AN AQUEOUS MEDIUM - A method for monitoring the concentration of water borne substances in an aqueous medium, by introducing a defined amount of the aqueous medium into a gas circulatory system of an analytical apparatus which extends through a high temperature reaction chamber and a measuring chamber. The introducing of the aqueous medium occurs upstream of the high temperature reaction chamber or into it. The aqueous medium is evaporated in the high temperature reaction chamber, the water borne substance with at least one reaction partner in the high temperature reaction chamber reacts to a gaseous reaction product, and a current value of a measured variable is registered, which is a function of the concentration of the chemical species of the reaction product in the gas circulatory system. The concentration of the chemical species of the reaction product in the gas circulatory system depends, on the one hand, on a time-dependent state of the gas circulatory system and, on the other hand, on the concentration of the substance in the aqueous medium; ascertaining the concentration of the substance in the aqueous medium by applying the current value of the measured variable,wherein, in the ascertaining of the concentration of the substance in the aqueous medium, the contribution to the concentration of the chemical species of the reaction product in the gas circulatory system by the state of the gas circulatory system is ascertained on the basis of a model of the state, and a correction of the concentration of the chemical species of the reaction product in the gas circulatory system occurs on the basis of this contribution. | 07-15-2010 |
| 20100134199 | APPARATUS AND METHOD FOR PRODUCING SIGNALS CODED WITH AMPLITUDE SHIFT KEYING - An apparatus for coding a signal by means of amplitude shift keying comprises a class E amplifier including a switching transistor, to whose gate is supplied a voltage having an operating frequency for operating the class E amplifier. For achieving an amplitude shift keying in the output signal of the class E amplifier, a circuit for switching the operating frequency of the voltage supplied to the gate of the switching transistor, or the resonance frequency of the class E amplifier, between a first value and a second value is provided and in order to switch a deviation degree between the operating frequency and the resonance frequency between a first value and a second value. | 06-03-2010 |
| 20100126850 | ELECTRODE AND SINGLE-ROD MEASURING CHAIN FOR DETERMINING ELECTROCHEMICAL POTENTIALS - An electrode comprising: a least a first, preferably cylindrical, glass body, in which at least a first chamber is formed; at least a first electrolyte, which is located in the first chamber; at least a first potential-forming element, which is arranged in the chamber, and forms a first potential when contacted by the first electrolyte; at least a first closing element, which is axially fixed in the first chamber for enclosing the first electrolyte and the first potential-forming element and sealedly closes the first chamber; wherein, additionally, the first closing element is conductive, the first potential-forming element conductingly contacts the first closing element, and the electrode furthermore includes at least a first electrical conductor, which electrically contacts the first closing element on the side of the first closing element facing away from the first electrolyte. | 05-27-2010 |
| 20100109636 | Measuring apparatus and method for detecting moisture at a measurement voltage input of the measuring apparatus - A measuring apparatus having a measurement voltage input with at least one input contact for an input voltage of a measuring element and a method for detecting moisture on the measurement voltage input of such a measuring apparatus are provided, wherein the measuring apparatus includes a supplemental voltage source, which delivers at least one supplemental voltage and is connected with a supplemental contact arranged in the region of the at least one input contact. | 05-06-2010 |
| 20100063780 | Measuring Arrangement with Large Dynamic Measuring Range - The invention relates to a method for registering a measured variable of a measured medium via a measurement path having a sequence of signals, wherein, apart from an original signal of the sequence, each signal of the sequence is a function of a preceding signal of the sequence, at least one signal of the sequence is transformed as a function of the measured variable by interaction with the measured medium, wherein a time variation is impressed on at least a first signal of the sequence, and a second signal, which is present in the sequence of signals at any location after the first signal, is formed by integration of a signal directly preceding the second signal, wherein, additionally, for ascertaining the measured variable, it is assumed, that the measured variable remains essentially constant during the integration. | 03-11-2010 |
| 20100063762 | Method for operating a measuring point - A method for operating a measuring point for determining at least one measured variable of a medium, wherein the measuring point includes a base unit, which is connected releasably with a sensor unit, and which is provided for communication of a signal representing the value of the measured variable to a process monitoring facility. The following steps are included:
| 03-11-2010 |
| 20100059549 | APPARATUS AND METHOD FOR DOSING OF LIQUIDS IN GAS FILLED SPACES - An apparatus or dosing of liquids into a gas filled space comprising: a pump; a dosing orifice for introduction of liquid into the gas filled space; a discharge line, which connects a pressure side of the pump with the dosing orifice; and an elastic, liquid storer. The discharge line includes a shutoff valve between the pump and the dosing orifice, wherein the elastic, liquid storer is located between the pump and the shutoff valve, and the apparatus includes a first operating state, in which the pump runs in the case of closed shutoff valve, in order to store in the elastic, liquid storer a liquid amount under pressure. | 03-11-2010 |
| 20100057944 | Plug connector module - A plug connector module having at least one plug connector for electromechanical connection with a field device, especially a device for measured data capture in process technology. The plug connector module includes a memory unit for storing data and a communication interface, which enables a data connection with the field device. | 03-04-2010 |
| 20100045312 | Shaped-Seal, Sealing Arrangement and Process Sensor Having Such a Sealing Arrangement - A shaped-seal for sealing an annular gap between an outer peripheral wall and an inner peripheral wall against a medium, including: an elastic, radially clampable, annular sealing element having an annular, radially outer, sealing surface for contacting the outer peripheral wall, an annular, radially inner, sealing surface for contacting the inner peripheral wall, an annular, media-side, ceiling surface, which extends between the radially outer, sealing surface and the radially inner, sealing surface, an annular base surface, which extends on the side facing away from the ceiling surface, between the outer sealing surface and the inner sealing surface, and at least one annular cavity in the base surface for accommodating an anchoring ring, wherein the cavity has at least one undercut. | 02-25-2010 |
| 20090307398 | Method for Manufacturing Memory Modules - In a method for manufacturing memory modules MM, first a support board SB is populated with memory components MC. After the populating process, individual memory components MC are programmed via a bus system BS provided on the support board. After programming, the support board SB is separated into individual memory modules MM. | 12-10-2009 |
| 20090293645 | Sampler - sampler for automatic taking of liquid samples from a sample-taking location. The sampler includes: a housing with a door; an energy, or power, supply unit; a control/evaluation unit; a sample-taking unit, which, in a predeterminable time interval, takes a predetermined quantity of sample from the sample-taking location; a sample collecting unit arranged in a lower region of the housing of the sampler for storing taken samples; and a temperature-control unit, which controls at least the region of the sampler, in which the sample collecting unit is arranged, to a predetermined temperature, so that the sampler is applicable under any thermal conditions at the sample-taking location. | 12-03-2009 |
| 20090285526 | Optical subassembly for in-and/or out-coupling of electromagnetic radiation into, and/or out of, a pressure-tight housing - An optical subassembly for in- and/or out-coupling of electromagnetic radiation of a predetermined wavelength, especially IR-radiation, into, and/or out of, a pressure-tight housing. The subassembly includes at least one housing wall section of the pressure-tight housing having at least one opening, wherein, in the opening, mechanical setting means are provided, with which a plug transparent for the electromagnetic radiation is set, wherein the transparent plug has two mutually oppositely lying, base surfaces and a cylindrical lateral surface, and wherein the setting means include as least one setting ring, characterized in the a volume region between at least a first section of the setting ring and at least a section of the cylindrical lateral surface is filled with a pressure-tight, potting compound. | 11-19-2009 |
| 20090272258 | Wechselarmatur - A retractable assembly, comprising: an assembly housing; a linear drive in the assembly housing; and a tubular holder), movably guided between a measuring position and a service position by means of the linear drive, for fluid-sealed reception of a sensor, with which a physical and/or chemical process variable is determinable. The linear drive includes a piston seated movably in a cylinder and loadable with a pressure-bearing medium on one or both ends and the tubular holder is fixed in the piston. The piston has on its working end active for the measuring position a breach in the direction of the interior of the tubular holder. | 11-05-2009 |
| 20090263070 | ATR-probe - An ATR-probe including: a housing having a media opening; a radiation guiding body closing the media opening and having two planparallel surfaces, between which light can be guided by means of total reflection. A section of a first planparallel surface bordered by a sealing ring can be contacted through the media opening with a medium to be measured. Transmission light conductors and receiving light conductors in the housing, wherein light is guided from the transmission light conductors, through the radiation guiding body, into the receiving light conductors; and wherein adjoining the first planparallel surface are first and second deflection surfaces, on which, respectively, light coupled into the radiation guiding body and light to be coupled out are deflected by total reflection, so that the light can be guided between the planparallel surfaces by means of total reflection. The light is not collimated, and the effective area of the transmission light conductors is smaller than the effective area of the receiving light conductors. | 10-22-2009 |
| 20090151482 | Sterile single use measurement device - A sterile measurement device comprising an elongated measurement probe for measuring a physical property. The probe has a first end and a second end, and a sensing element, which is located on the first end, which can be installed at any time on a measurement site. The measurement site has a measuring chamber for measuring a physical quantity inside the measuring chamber without breaching sterility of the measurement arrangement. The measurement device further comprising a sterile tubing comprising a first end, a second end and a compressible section located between the ends. The sterile tubing surrounding the probe, such that the second end of the probe extends out of the second end of the tubing, structure for establishing a sterile connection between the first end of the tubing and a corresponding counter part on a measurement site. The sterile connection forms a passageway leading into a measuring chamber, wherein the physical property is to be measured, and a thermal weld providing a seal between the second end of the tubing and the elongated probe; wherein the compressible section of the tubing allows for a length of the tubing to be varied, such that the sensing element is entirely located inside the tubing, when the compressible section is uncompressed, and the sensing element is located outside the first end of the tubing when the compressible section is compressed. | 06-18-2009 |
| 20090145195 | Calibration in a Laboratory Reference Method - A method for calibrating a measuring device monitoring at least one measured variable of a measured medium by means of at least a first sensor, wherein the signal of the first sensor is mapped to a measured value on the basis of a mapping specification, and wherein the method includes the following steps: a current measured value of the measuring device is recorded as current calibration measured value; a laboratory reference sample of the measured medium with the properties of the calibrated measured value at the point in time of the recording is supplied to a laboratory reference measuring device; the actual value of the measured variable is ascertained with the laboratory reference measuring device on the basis of the laboratory reference sample and made available and recorded as current laboratory reference measured value; and, on the basis of the current calibration measured value, as well as the current laboratory reference measured value, the mapping specification is updated, characterized in that at least one earlier value pair of a calibration measured value and an associated laboratory reference measured value ascertained in an earlier calibration is taken into consideration for the updating of the mapping specification. | 06-11-2009 |
| 20090139298 | Disposable measurement arrangement and method of testing and/or calibrating it - A measurement arrangement comprising a flexible disposable container and a disposable measurement probe for measuring an analytical property of a medium. The measurement probe is mounted on an inside wall of the disposable container and comprises a sensing element extending into the container, which is ready to use and which produces reliable measurement results. The disposable measurement arrangement comprises a closed capsule containing a buffer solution and a tether connecting said capsule to said probe. The container, the measurement probe, the capsule and the buffer solution are sterilized. The sensing element is inserted in the buffer solution during storage and the capsule is removed from the sensing element during measurement operation. | 06-04-2009 |
| 20090096458 | Adapter For Supplying Electrolyte To A Potentiometric Sensor - An adapter for a potentiometric sensor having a sensor shaft, which has a reference liquid opening in its exterior surface. The adapter comprises an annular chamber member having a sensor opening for receiving the sensor shaft. Arranged in the sensor opening are first and second sealing rings for the sensor shaft. The axial position of the reference liquid opening lies between the first and second sealing rings. Formed between the sealing rings and the sensor shaft is an annular chamber, which is in communication with the reference liquid opening. The annular chamber member further includes a duct extending between the annular chamber and a reference feed opening. The adapter further includes a process connection member having a process connection opening, which surrounds the sensor shaft, and whose axis is aligned with the axis of the sensor opening. The axial position of the process connection member is fixed relative to the annular chamber member, and the process connection member is freely rotatable relative to the annular chamber member. | 04-16-2009 |
| 20080218302 | Inductive conductivity sensor - A conductivity sensor for measuring conductivity of a medium surrounding the conductivity sensor includes a first toroidal coil bounding a medium-receiving passageway and serving for inducing an electrical current in the medium, and a second toroidal coil also bounding the passageway and serving for registering a magnetic field produced by the electrical current. At least one of the toroidal coils has a plurality of first conductor segments, which extend in a plane of a multi-ply circuit board, a plurality of second conductor segments, which extend in a second plane of the circuit board, and a plurality of through-contacts, which connect the first conductor segments with the second conductor segments, wherein the first conductor segments, the second conductor segments and the through-contacts form, together, the windings of a toroidal coil. | 09-11-2008 |
