Abstract: The present invention relates to a sensor (1) for sensing organic carbon in a liquid (L), comprising: a container (2) having an interior space (20) for receiving the liquid (L), a photodetector (3), and a light source (4) configured to emit ultraviolet light (5) so that the ultraviolet light (5) travels along an optical path (P) through liquid (L) residing in the interior space (20) and is absorbable by carbon bonds of organic molecules in the liquid (L).

Abstract: A duct probe (20) for sampling a fluid from a main fluid flow (Fm) in a duct (10) defines an elongated supply channel (21) n elongated discharge channel (22). The supply channel has at least one inflow opening (23) for diverting a partial flow (Fp) from the main fluid flow into the supply channel, and the discharge channel has at least one outflow opening for returning the partial flow from the discharge channel into the main fluid flow after it has passed an environmental sensor (30). The duct probe further comprises at least one compensation opening (26) that connects the supply channel and the discharge channel in a region that is located between their closed and open ends. By the presence of the compensation opening (26), a jet flow (Fj) is created, which acts to reduce a pressure difference between the supply channel and the discharge channel when the duct probe is exposed to the main fluid flow (Fm).

Abstract: A gas sensor comprises a set of one or more sensor cells (SC) and a substrate (1). Each sensor cell (SC) of the set comprises a sensitive film (42) built from a sensitive material (4) covering an area of the substrate (1). One or more elevated structures (2) are manufactured in or around said area for preventing the sensitive material (4) to expand when being applied thereto.

Abstract: The invention relates to a sensor module (1) for measuring at least one measurand, comprising: a housing (2) having a flow duct (23) with an air inlet (21) and an air outlet (22), the housing (2) enclosing an interior (20) of the housing (2); a circuit board (4) arranged in the interior (20); at least one sensor (3) which is arranged on the circuit board (4) and is designed to measure at least one measurand of an air flow (L) conducted past the sensor (3); a terminal (5) arranged on the circuit board (4) for making electrical contact with the sensor module (1); and a fan (6), which has a motor (60) and a rotor (61) which can be rotated about an axis of rotation (z) by means of the motor (60), the motor (60) being electrically conductively connected to the circuit board (4), and the fan (6) being designed to generate an air flow (L) in the flow duct (23) between the air inlet (21) and the air outlet (22) such that the air flow (L) flows past the sensor (3) and, in the region of the air inlet (21), flows in a f

Abstract: An electronic device comprises a gas sensor sensitive to a target gas and arranged inside a housing of the electronic device or attached thereto, to detect a concentration of the target gas in an environment of the electronic device. A processing unit is provided and configured to determine a concentration of the target gas outgassed from one or more components of the housing or inside the housing dependent on one or more first measurement results supplied by the gas sensor in response to one or more first measurements, and to determine the environmental target gas concentration dependent on the determined outgassed target gas concentration and dependent on a second measurement result (ROM) supplied by the gas sensor in response to a second measurement (OM). Outgassing is understood as the release of chemical substances from the one or more components.

Abstract: The present invention relates to a vacuum cleaner device (1) for operation on a floor area (F), comprising: a suction duct (7) and an actuator (9) arranged and configured to generate an underpressure in the suction duct (7) so that air is sucked into the suction duct (7), a temperature sensor (10) configured to sample an air temperature in the vicinity of the device (1), wherein said temperature sensor (10) is arranged in the suction duct (7) or adjacent an opening (6d) of the suction duct (7), and an analyzing unit (3) configured to detect a wet spot (W) on said floor area (F) using said sampled air temperature.

Abstract: A particulate matter sensor device comprising an enclosure (21) that comprises a flow inlet (11), a flow outlet (12) and a flow channel (2) extending therebetween, a radiation source for emitting radiation into the flow channel (2) for interaction of the radiation with the particulate matter in the flow (20) of an aerosol sample when guided through the flow channel (2), a radiation detector (4) for detecting at least part of said radiation after interaction with the particulate matter. The sensor device comprises a flow modifying device (511) arranged upstream of the radiation detector (4) and/or of the radiation source (3) for modifying the flow (20) for reducing particulate matter precipitation onto the radiation detector (4) and/or onto the radiation source (3) and/or the channel wall sections in close proximity to the detector (4) and/or source (3). The invention also relates to a method of determining parameters of particulate matter in an aerosol sample by using such a particulate matter sensor device.

Abstract: A method for determining fluid parameters, such as a heat capacity cP?, a calorific value Hp, a methane number MN, and/or a Wobbe index WI, of an unknown fluid (g). An unknown flow (55) of the fluid (g) is set in a sensor device (10), the sensor device (10) comprising a thermal flow sensor (1) and a pressure sensor device (15) for measuring at least one temperature value T1, T2, a further parameter, and differential pressure value ?? over a flow restrictor (14). Using these measurement parameters T1, T2, ?? and calibration data, the calorific value Hp, and/or the Wobbe index WI, or parameters indicative thereof, of an unknown fluid (g) are calculated. The invention also relates to such a sensor device (10) and to a computer program product for carrying out such a method.

Abstract: An infrared device comprises a substrate. A configuration for emitting infrared radiation is supported by the substrate. The configuration comprises an electrically conducting layer arrangement of less than 50 nm thickness between dielectric layers. In addition, a heater arranged for heating the configuration to emit the infrared radiation is supported by the substrate.

Abstract: A sensor device for determining at least one heat transfer parameter of a gas comprises a sensor unit (10) comprising at least one heater element and at least one temperature sensor. A first (inner) housing (20) receives the sensor unit. The first housing comprises a first membrane (22) allowing a diffusive gas exchange between the exterior and the interior of the first housing. The first housing is received in a second (outer) housing (30). The second housing comprises a second membrane (32) allowing a diffusive gas exchange between the exterior of the second housing and the exterior of the first housing. Thereby temperature gradients inside the first housing are reduced. The second housing can be made of metal and can be disposed on a support plate (40), taking the form of a cap. An auxiliary sensor (50) can be arranged in the space between the first and second housings.

Abstract: A gas sensor comprises a support structure with a cavity (6), a sensing element (1) sensitive to a gas and arranged in the cavity (6), and a filter (3) spanning the cavity (6). The filter (3) is a size selective filter.

Abstract: A regulation device for regulating a mixing ratio (x) of a gas mixture comprises a first conduit (1) for carrying a flow of a first gas (e.g., air) and a second conduit (2) for carrying a flow of a second gas (e.g., a fuel gas). The first and second conduits (1, 2) open out into a common conduit (3) in a mixing region (M) to form the gas mixture. A first sensor (S1) is configured to determine at least one thermal parameter of the gas mixture downstream from the mixing region. A control device (10) is configured to receive, from the first sensor, sensor signals indicative of the at least one thermal parameter of the gas mixture and to derive control signals for adjusting device (V1) acting to adjust the mixing ratio, based on the at least one thermal parameter.

Abstract: A gas sensor includes a sensing element of a material including metal oxide and is sensitive to a target gas and to a recalibration gas different from the target gas. For recalibrating the gas sensor, a resistance of the sensing element is measured as an updated recalibration gas baseline resistance in a recalibration environment showing a recalibration gas baseline concentration.

Abstract: An electronic device comprises a gas sensor sensitive to a target gas and arranged inside a housing of the electronic device or attached thereto, to detect a concentration of the target gas in an environment of the electronic device. A processing unit is provided and configured to determine a concentration of the target gas outgassed from one or more components of the housing or inside the housing dependent on one or more first measurement results supplied by the gas sensor in response to one or more first measurements, and to determine the environmental target gas concentration dependent on the determined outgassed target gas concentration and dependent on a second measurement result (ROM) supplied by the gas sensor in response to a second measurement (OM). Outgassing is understood as the release of chemical substances from the one or more components.

Abstract: Aspects of the invention relate to a semiconductor chip comprising a substrate and a stack arranged on the substrate. The stack comprises one or more insulating layers and one or more metal layers. The chip comprises a sensor device arranged in a sensor area (SA) of the semiconductor chip and processing circuitry arranged in a processing area (PA) of the semiconductor chip. The chip further comprises connection circuitry configured to provide an electrical connection between the sensor device and the processing circuitry. A first seal ring structure is arranged between an outer edge (ED) of the chip and an inner area (IA) of the chip. The inner area (IA) of the chip encompasses the sensor area (SA) and the processing area (PA). A second seal ring structure is arranged between the sensor area (SA) and the processing area (PA) and configured to constrain an infiltration of contaminants from the sensor area (SA) to the processing area (PA).

Abstract: A method is provided for processing environmental sensor data comprising the following steps. One or more raw data values are received from an environmental sensor, an average value and a measure of dispersion are determined over a defined time period only from raw data values between a lower threshold and an upper threshold, and the lower threshold and the upper threshold are redefined depending on the average value and the measure of dispersion. The method may be used in an environmental sensor, e.g. a MOX sensor or a VOC sensor, and implemented as a computer program.

Abstract: An electronic component comprises a carrier (3), a sensor device (2) mounted on the carrier (3), which sensor device (2) comprises a sensor chip (21), and an electrostatic discharge protection element (1) for protecting the sensor chip (21) from an electrostatic discharge, which protection element (1) is mounted on the carrier (3).

Abstract: A sensor package comprises a sensor chip (3) with a sensitive element (31) exposed to an environment of the sensor package, and contact pads (2) for electrically contacting the sensor package. Electrical connections (5) are applied between the sensor chip (3) and the contact pads (2). A molding compound (1) at least partially encloses the sensor chip (3) and the contact pads (2). A unit (3, 73) consisting of the sensor chip (3) and optionally of a die pad (73) supporting the sensor chip (3) is arranged such that a top surface (ts) of the unit (3, 73) does not protrude from a level defined by a top surface (ts) of the contact pads (2), and a bottom surface (bs) of the unit (3,73) does not protrude from a level defined by a bottom surface (bs) of the contact pads (2).

Abstract: A breath sampling device including a housing having a fluid inlet positioned at a fluid inlet end, a fluid outlet positioned at a fluid outlet end, a fluid channel extending between the fluid inlet and the fluid outlet, and a sensor fluidly coupled to the fluid channel. The sensor is structurally configured to detect a presence of a target gas in a gas sample and a filter assembly fluidly coupled to the fluid channel and positioned between the fluid inlet and the sensor. The filter assembly is structurally configured to absorb heat, water vapor, or a combination thereof.

Abstract: A gas sensor includes a sensing element of a material including metal oxide and is sensitive to a target gas and to a recalibration gas different from the target gas. For recalibrating the gas sensor, a resistance of the sensing element is measured as an updated recalibration gas baseline resistance in a recalibration environment showing a recalibration gas baseline concentration.