Abstract: A method for determining the measurement value of a measurement quantity of a substance using a color indicator, the color indicator having at least one indicator field having previously been brought into contact with the substance, is characterized in that the color indicator and a color reference are visually sensed, the color reference having at least two reference fields of different colors, that an intermediate value of the measurement quantity is obtained with computer assistance based on the captured color values of the reference fields and the indicator field, and that the measurement value of the substance is obtained from this intermediate value.

Abstract: A valve controller (1) for filling a refrigerating circuit with refrigerant includes a valve (2), a temperature sensor (3), a pressure sensor (4) and a controller (5). The controller (5) is configured to calculate a parameter from the measurement data of the temperature sensor (3) and/or the pressure sensor (4), and the controller (5) is further configured to activate the valve (2) until the calculated parameter has reached a target value.

Abstract: A device (1) is provided for capturing at least one process variable in a liquid-carrying work chamber (2) of a cleaning machine (3), in particular a washing machine (4) and/or dishwasher (15). The device includes a sensor unit (5) configured to capture the process variable and is designed for detachable arrangement in the work chamber (2).

Abstract: In order to prolong maintenance-free and autonomous operation of an electrical measuring device (1) having an internal energy store (4) and measuring electronics (3) for reading a sensor (2), wherein the latter is configured for detecting an ambient variable such as, for instance, a room temperature or room humidity, it is provided that as needed, in a manner dependent on an ambient temperature detected by the measuring device (1), a buffer capacitor (5) is electrically connected to the energy store (4) such that the buffer capacitor (5) can draw electrical power from the energy store (4) and can make this power available again, in particular in the event of a dip in an electrical operating voltage of the measuring device (1), in order thus to buffer current peaks of a load current of the measuring electronics (3).

Abstract: In measuring devices (1) including measuring sensors (2) on a distal end (3) of a shaft (4), it is also provided to configure at least one distance sensor (7, 8, 9) and/or an acceleration sensor (16) on this distal end (3), in order to enable an automatic distance measurement and/or determination of the position and/or the orientation of the measuring sensor (2) within a measuring range (6), and thus the recording of spatially resolved measured values.

Abstract: A method and device for contactless measurement of a temperature, in particular pyrometer, preferably 1-point pyrometer. The measuring device (1) has a camera (4) for recording an image (7?) of an environment (7) of a measurement spot (9) and a processor for ascertaining and outputting, in particular displaying, a location of the measurement spot in the image. For the temperature measurement, an environment (7) of a measurement spot (9) is recorded as an image and a location of the measurement spot (9) in the environment (7) is calculated and output in the image (7?).

Abstract: An incubator (1) and its use for cultivating microorganisms and/or for carrying out a chemical reaction are provided. The incubator (1) has a sample vessel holder (3) for insertion of a sample vessel (4), a heating device (5) for changing a temperature in the sample vessel holder (3) and/or in a sample vessel (4) inserted into the sample vessel holder (3), and a sample-inactivating device (6) for inactivation of a sample (7) in a sample vessel (4) that is inserted into the sample vessel holder (3).

Abstract: A bottle weighing scale having an upper part (2) on which a support face (4) for an item to be weighed is configured, and a lower part (3) on which at least one foot (5) is configured. A determination of weight takes place by a change in the position between the upper part (2) and the lower part (3). The support face (4) of the bottle weighing scale (1) is smaller than a footprint area (6) defined by the at least one foot (5).

Abstract: A discoid sample holder (1), on which a device (2) for carrying out at least one processing step is formed. According to the invention, a slot (3), into which a sampling instrument (4) can be introduced, and a mechanism (5) for releasing a sample from the sampling instrument (4) arranged in the receptacle (3), is formed in the sample holder.

Abstract: A device (1) for the detecting and registering of measurement data, having a first housing (2) in which electronics (7) are arranged, and having at least one sensor (14), which is electrically connected to the electronics (7). The first housing (2) includes at least two housing parts (3, 4), having at least one metallic connection site and being joined together at the connection site by a gas-tight metal/metal connection. The at least one sensor (13) is arranged in a second housing (11), which encloses the first housing (2) substantially entirely, and which includes at least two housing parts (12, 15), which are detachably joined together or can be so joined.

Abstract: An electrochemical gas sensor (1) having a stacked assembly of at least one first electrode (3) and a second electrode (6), which are respectively arranged on a carrier membrane (2, 5), and a separator (4) arranged between the electrodes (3, 6), including a gas conduction path (14) between the first electrode (3) and the second electrode (6). The gas conduction path (14) is constituted within the structural space defined by the electrodes (3, 6).

Abstract: A sample container (1) with a sample-receiving chamber (2) and with a closure piece (3) for closing the sample-receiving chamber (2) in a sealed manner. The sample container (1) has at least two seals (4, 5, 15, 16) arranged separately from each other, and/or the sample-receiving chamber (2) is subdivided into at least two compartments (6) which are thermally decoupled from each other and are connectable by liquid, and/or the sample container (1) has, on an outer wall (7) of the sample-receiving chamber (2), at least one coupling point (8) for the docking of an auxiliary container (9) via a matching counter-coupling point (10) of the auxiliary container (9). The outer wall (7) has at least one predetermined breaking point (11), which is pierced through upon coupling to the auxiliary container (9).

Abstract: To increase the measuring precision of an electric measuring assembly (1) for capacitively measuring a liquid, an inner electrode (2) and an outer electrode (3) arranged concentrically to the inner electrode is provided, in which a shielding electrode (5) is arranged between the outer electrode (3) and the inner electrode (2). The potential of the shielding electrode (5) can be actively adjusted to the potential of the inner electrode (2) by a corresponding electric connection such that electric fields which are caused by dielectric displacements in parasitic capacitances are effectively shielded from the inner electrode (2) and thus from the capacitance to be measured. For this purpose, a two-part design of the inner electrode (2) is provided with sections (6) and (7) which can be moved axially relative to each other.

Abstract: A frying oil and/or frying fat sensor (1) for determining a frying oil and/or frying fat quality, having a conductor structure (2) that is fixedly connected, at a proximal end, to an electronics part (5), wherein the conductor structure (2) has an inner conductor (6) and an outer conductor (7) that are arranged coaxially with respect to one another and are both connected fixedly to the electronics part at the proximal end. The inner conductor (6), at at least one free end, is guided so as to be able to move relative to the outer conductor (7) in the axial direction in order to compensate temperature-induced mechanical stresses.

Abstract: A measurement device (1) including a measurement module (2) and a communication module (3), in which the measurement module (2) has at least one sensor (4) for measuring a physical or chemical quantity. In the position of use, an interface (5) is provided for the communication between the measurement module (2) and the communication module (3). The measurement module (2) has a measurement module housing (6) and the communication module (3) has a communication module housing (7), which can be interconnected in a mechanically releasable manner and form in the connected state a closed measurement device housing (15).

Abstract: A measuring apparatus (13) that is able to be put together from an assembly kit, wherein the assembly kit has at least two sensor units (1), which are each fashioned for measuring different variables, and at least two communication units (6), which each have different interfaces for data transmission, and each of the sensor units (1) is detachably connectable to each of the communication units (6) of the assembly kit by a mechanical coupling (7).

Abstract: In an electrical measuring assembly (1), in which an inner electrode (2) and an outer electrode (3), which form a measuring chamber (4) therebetween for a capacitive examination of a liquid flowing past, are formed from a food-safe stainless steel, the inner electrode (2) is supported at the axial ends (6, 7) thereof on the outer electrode (3) by insulating elements (10, 11), which are produced from a ceramic material or plastic material that can be machined and/or that has a permittivity that is temperature-independent in a working range and/or that is free of pores and/or does not absorb water.

Abstract: The invention relates to a discoid sample holder (1), on which a device (2) for carrying out at least one processing step is formed. According to the invention, a slot (3), into which a sampling instrument (4) can be introduced, and means (5) for releasing a sample from the sampling instrument (4) arranged in the receptacle (3), are formed in the sample holder.

Abstract: To increase the measuring precision of an electric measuring assembly (1) for capacitively measuring a liquid, an inner electrode (2) and an outer electrode (3) arranged concentrically to the inner electrode is provided, in which a shielding electrode (5) is arranged between the outer electrode (3) and the inner electrode (2). The potential of the shielding electrode (5) can be actively adjusted to the potential of the inner electrode (2) by a corresponding electric connection such that electric fields which are caused by dielectric displacements in parasitic capacitances are effectively shielded from the inner electrode (2) and thus from the capacitance to be measured. For this purpose, a two-part design of the inner electrode (2) is provided with sections (6) and (7) which can be moved axially relative to each other.

Abstract: In an electrical measuring assembly (1), in which an inner electrode (2) and an outer electrode (3), which form a measuring chamber (4) therebetween for a capacitive examination of a liquid flowing past, are formed from a food-safe stainless steel, the inner electrode (2) is supported at the axial ends (6, 7) thereof on the outer electrode (3) by insulating elements (10, 11), which are produced from a ceramic material or plastic material that can be machined and/or that has a permittivity that is temperature-independent in a working range and/or that is free of pores and/or does not absorb water.