Onesti, Romania
Onesti, Romania

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A two-part sensor composed of a sensor head and a sensor-head counterpart, testing is performed as to whether a correct sensor head is connected with the sensor-head counterpart.


Patent
Conducta | Date: 2016-03-08

An in-line measuring device for capturing at least two measurands of a measuring mediumespecially, a measuring fluidflowing through a process receptacle, comprising: a first measuring sensor integrated into the process receptacle, with the former being designed to generate a first measuring signal that is dependent upon a flow measurandespecially, a volume and/or mass flow of the measuring medium; a second measuring sensor integrated into the process receptacle, with the former being designed to generate a second measuring signal dependent upon an analysis measurandespecially, one dependent upon the concentration of at least one analyte in the measuring medium and measuring electronics that are connected with the first measuring sensor and the second measuring sensor, with the measuring electronics being designed to receive and process the first measuring signal and the second measuring signal.


Patent
Conducta | Date: 2014-11-24

A sensor for liquid and/or gas analysis comprising a measuring transducer for producing a measurement signal, and, connected with the measuring transducer, especially separably, a compact transmitter, which is embodied for receiving and further processing the measurement signal. The compact transmitter includes: a transmitter housing; a transmitter circuit arranged in the transmitter housing; arranged in the transmitter housing, a first interface, via which the transmitter circuit is connectable by means of a connection cable with a first superordinated data processing system, especially one embodied as a superordinated control system; and arranged in the transmitter housing, a second interface, which connects the transmitter circuit with an antenna and which is embodied to supply the antenna with, or to receive by means of the antenna, a radio signal, whose center frequency has a wavelength . The antenna includes a radiating element and at least one metal mirror element, and wherein the radiating element has a length of /8 up to 3/8, especially of, for instance, /4.


A method for determining a physical and/or chemical, temperature dependent, process variable of process automation technology utilizing a resistance thermometer (R_(Pt1000)), wherein the resistance thermometer (R_(Pt1000)) is installed in an electrical circuit, comprising the steps of: measuring a first voltage (U1) across at least a first precision resistor (R1); measuring a second voltage (U2) across at least a second precision resistor (R2); measuring a third voltage (U3) across at least a third precision resistor (R3), wherein cyclically or continuously a constant electrical current (I) is sent through the at least first precision resistor (R1), the at least second precision resistor (R2) or the at least third precision resistor (R3); determining temperature coefficients (a, b, c) characteristic for the electrical circuit by means of the first voltage (U1), the second voltage (U2) and the third voltage (U3); sending the constant electrical current (I) through the resistance thermometer (R_(Pt1000)) and measuring a voltage (U) across the resistance thermometer (R_(Pt1000)); and determining the temperature (T) by means of the temperature coefficients (a, b, c) and the measured voltage (U). An electrical circuit and a sensor of process automation technology, especially a conductivity sensor, comprising such an electrical circuit are also discussed.


A measuring arrangement for registering a measured variable representing concentration of an analyte in a measured medium, includes: a first electrode modified with a redoxly active substance, a second electrode, and a measuring circuit, which comprises a voltage source for applying at least one predetermined voltage between the first electrode and a reference, and an apparatus for registering electrical current flowing, in such case, between the first electrode and the second electrode or for registering a variable correlated with the electrical current flowing between the first electrode and the second electrode, wherein the second electrode is modified with the same redoxly active substance as the first electrode.


A two-part sensor composed of a sensor head and a sensor-head counterpart, testing is performed as to whether a correct sensor head is connected with the sensor-head counterpart.


An electrode for application in electrochemical measuring systems, comprising: at least one housing, in which at least one chamber is embodied, at least one electrolyte, which is arranged in the chamber, at least one potential forming element, which is arranged in the chamber in such a manner that the electrolyte wets the potential forming element, and at least one electrical conductor, which contacts the potential forming element and leads the potential from the chamber, characterized in that the electrical conductor is provided with at least one coating.


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.


A method for determining orthophosphate content of a liquid, comprising: registering a first measurement signal (ISE1) of an ion selective dihydrogen phosphate sensor; registering a second measurement signal (ISE2) of an ion selective hydrogen phosphate sensor; and determining the orthophosphate content of the liquid based on the first (ISE1) and second (ISE2) measurement signals. The dihydrogen phosphate sensor can comprise an ion selective dihydrogen phosphate electrode and the hydrogen phosphate sensor an ion selective hydrogen phosphate electrode. In the step of determining the orthophosphate content of the liquid, a cross-sensitivity of the dihydrogen phosphate electrode to hydrogen phosphate present in the liquid and a cross-sensitivity of the hydrogen phosphate electrode to dihydrogen phosphate present in the liquid can be taken into consideration.


Patent
Conducta | Date: 2013-10-08

An electronic circuit for amplifying a wanted signal, comprising: a comparator having a first input, a second input and an output, wherein a connection is provided, which leads the wanted signal to the first input; a first driver stage comprising an input and an output, wherein the first driver stage includes at least a first push pull end stage; a low-pass filter having an input and an output, wherein the output of the first driver stage leads to the input of the low pass filter; a first feedback network; and a second feedback network.

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