Patent application number | Description | Published |
20120162645 | METHOD FOR DETERMINING A MEASURED VARIABLE OF A MEDIUM, ESPECIALLY FOR TURBIDITY MEASUREMENT - Method for determining a measured value of a measured variable of a medium, by means of an optical sensor arrangement, which has at least one transmitter and at least one receiver, comprising the steps as follows: supplying the at least one transmitter with an exciter signal for producing an optical transmitter signal with a transmission signal strength, wherein the transmitter signal is converted by interaction with the medium as a function of the measured variable into a changed transmitter signal; producing a receiver signal from the transformed transmitter signal by means of the at least one receiver and registering a receiver signal strength of the receiver signal; conforming an excitation signal strength of the exciter signal based on the registered receiver signal strength for reaching a predetermined receiver signal strength; and registering the excitation signal strength required for reaching the predetermined receiver signal strength and determining the measured value therefrom. | 06-28-2012 |
20130103357 | Method for recognizing and/or assessment of device and/or process related disturbances in a measurement signal - A method for recognizing and/or assessment of device and/or process related disturbances in a measurement signal, especially in a turbidity measurement of a fluid or gaseous medium with the steps of: generation of transmittable signals by means of at least one transmitter, wherein the transmitted signal is transformed through interaction with the medium, depending on the measurement variable, collection of measurement signals by means of at least one of the collectors assigned to the transmitter from the transformed transmission signals, characterized in that, the measurement signals are further processed by generating a distortion ratio of the measurement signal by processing the measurement signal with a distortion factor acquired from a dimensional reduction technique, especially principal component analysis (PCA), wherein the distortion factor takes into account the principal components with the largest contribution to the total variance, and assessing the distortion ratio over the course of time. | 04-25-2013 |
20130321809 | SOLID BODY - A solid body for adjusting, calibrating and/or function checking of a turbidity sensor, which works with electromagnetic waves, especially light, of at least a first wavelength, and wherein the solid body is transparent at least for the light of the first wavelength, characterized in that at least a first region is provided in the solid body, where at least incident light of the first wavelength is scattered. The scattered light is a measure for turbidity. | 12-05-2013 |
20140024238 | Contacting System for Producing Electrical Contact between a Cable and a Sensor - A contacting system, comprising: an essentially cylindrical contact body having at least a first opening, a second opening and a contact body interior between the first opening and the second opening. The first opening is embodied for accommodating the cable, wherein a holding element is provided in the contact body interior and is so embodied that it produces contact between the first conductor and the contact body. A sealing element is provided at the first opening and is so embodied that it seals off the contact body interior from the medium. | 01-23-2014 |
20140166910 | ARRANGEMENT FOR OPTICAL MEASURING OF ONE OR MORE PHYSICAL, CHEMICAL AND/OR BIOLOGICAL, PROCESS VARIABLES OF A MEDIUM - An arrangement for measuring process variables of a medium. The arrangement includes a housing embodied for accommodating a measuring apparatus for determining the physical and/or chemical process variable(s), wherein arranged in the housing is at least one window and at least the window contacts the medium, and wherein an oscillatory transducer is provided for transmitting sound waves, characterized in that the window is connected rigidly with the housing, the oscillatory transducer is arranged in a peripheral module having a module housing. The peripheral module is so arranged that the oscillatory transducer transmits the sound waves toward the window, wherein the sound waves pass through the module housing at an exit area, and the peripheral module is so arranged that medium is located in the region of the window and exit area. | 06-19-2014 |
20140362381 | METHOD AND CALIBRATION INSERT FOR ADJUSTING, CALIBRATING AND/OR CHECKING A FUNCTION OF A PHOTOMETRIC SENSOR - A method for adjusting, calibrating and/or checking a function of a photometric sensor, which is embodied for measuring at least one measured variable in a medium, wherein the sensor works with at least one measuring wavelength and at least one reference wavelength, comprising the steps as follows: mounting a calibration insert in a receptacle provided therefor at the sensor, adjusting, calibrating and/or performing the function check, and removing the calibration insert, characterized in that the transmittance of light of the measuring wavelength and the transmittance of light of the reference wavelength through the calibration insert are different. The invention relates further to a calibration insert. | 12-11-2014 |
20150103344 | METHOD FOR DETERMINING AT LEAST ONE PHYSICAL, CHEMICAL AND/OR BIOLOGICAL MEASURED VARIABLE BY MEANS OF OPTICAL SENSORS, AND TURBIDITY SENSOR - A turbidity sensor and a method for determining at least one physical, chemical and/or biological measured variable of process automation in a medium by means of at least one optical sensor, comprising the steps of sending transmission signals into the medium, wherein the transmission signals are converted into received signals by interaction with, especially by scattering from, the medium as a function of the measured variable; receiving the received signals; and converting the received signals into the measured variable as a function of environmental conditions at the location of installation and, adjusting the sensor based on a calibration graph corresponding to environmental conditions at the location of installation. | 04-16-2015 |
20150293019 | ARRANGEMENT FOR OPTICALLY MEASURING ONE OR MORE PHYSICAL, CHEMICAL AND/OR BIOLOGICAL, PROCESS VARIABLES OF A MEDIUM - A turbidity sensor or an arrangement for optically measuring one or more physical, chemical and/or biological, process variables of a medium. The medium is located in a pipe. The arrangement includes a housing and the housing is embodied for securement in the pipe. The housing is embodied for accommodating at least one light source for sending light through a window region into the medium and at least one light receiver for receiving light through the window region from the medium. The light is scattered by the medium and the light intensity received by the light receiver is a measure for the physical, chemical and/or biological, process variable, characterized in that the light source is so arranged that the light propagates in the medium in the longitudinal direction of the pipe. | 10-15-2015 |