Abstract: In a thermal imaging camera (1), an infrared image data stream (5) of infrared images (4) is captured during a random movement of the thermal imaging camera (1), and the infrared images (4) are combined into a higher-resolution infrared image (9).

Abstract: The invention relates to a method and a device for determining specific emissions as an exhaust gas characteristic of an internal combustion engine. Said method is characterized in that the exhaust gas mass flow (3) is determined as the first operating parameter and the engine power output (2) as the second operating parameter, the nitrous oxide mass flow (3) and the engine power output (2) are derived from a respective measured value that deviates from the operating parameter and the exhaust gas characteristic is calculated as a quotient from the corrected exhaust gas mass flow (3) and the engine power output (2).

Abstract: In a thermal imaging camera for acquisition of thermographic images of a measurement object, an electronic evaluation unit is integrated into the thermal imaging camera; it is designed for recognition of corresponding partial regions of the acquired thermographic images, and with it, the acquired images can be assembled into an overall image by overlapping the corresponding partial regions and displayed. The acquisition of the images preferably takes place during the swiveling of the thermal imaging camera over the solid angle region of the desired overall image.

Abstract: The invention relates to a handheld device (1) for infrared temperature measurement, comprising an infrared radiation detector (3) for measuring the temperature of a measuring spot (4) on an object under measurement (5), comprising an optical pickup device (2) for sensing the region containing the measuring spot (4) and comprising a display means (6) for presenting the measured temperature value. To provide a handheld device (1) which uses simple means to enable an operator to line up a measuring spot (4) on an object under measurement (5) and at the same time give the operator information on one or more ambient variables during this operation, it is proposed to design the display means (6) for continuously presenting the region of the object under measurement (5) that contains the measuring spot (4) and at least one item of temperature information that is correlated synchronously in time with the presentation.

Abstract: In a thermal imaging camera for acquisition of thermographic images of a measurement object, an electronic evaluation unit is integrated into the thermal imaging camera; it is designed for recognition of corresponding partial regions of the acquired thermographic images, and with it, the acquired images can be assembled into an overall image by overlapping the corresponding partial regions and displayed. The acquisition of the images preferably takes place during the swiveling of the thermal imaging camera over the solid angle region of the desired overall image.

Abstract: In a thermal imaging camera for acquisition of thermographic images of a measurement object, an electronic evaluation unit is integrated into the thermal imaging camera; it is designed for recognition of corresponding partial regions of the acquired thermographic images, and with it, the acquired images can be assembled into an overall image by overlapping the corresponding partial regions and displayed. The acquisition of the images preferably takes place during the swiveling of the thermal imaging camera over the solid angle region of the desired overall image.

Abstract: A soot number determining device has an intake line for taking in a soot-containing gas through a filter paper that has been introduced into the intake line. A transport apparatus transports a soot spot, which is produced at an intake position by virtue of the gas being taken in on the filter paper, by transporting the filter paper further to an evaluation position. A device is used to determine the extent of blackening of the filter paper.

Abstract: In a temperature measuring device (1) an IR-radiation detector (2) and a reference element (3) are provided, connected to a surface (6) of an object (7) in a heat-conducting fashion, with a first area (4) with high emissivity and a second area (5) with high reflectivity formed at the reference element (3), and the IR-radiation detector (2) is equipped for a separate detection of IR-radiation (9, 10, 11) from the first and second areas (4, 5) and a surface area (12) of the object (7). A computer (13) in the IR-radiation detector (2) is equipped to deduct a temperature measurement for the object (7), corrected for emissions and reflections from the detected IR-radiations (9, 10, 11).

Abstract: For a thermal imaging camera (1), features are extracted from a series of at least two infrared images (10, 11) or visible images (19, 20) associated therewith by a feature analysis, and an optimal correspondence between features extracted from the images (9, 10, 19, 20) is determined, and a translation vector (18) that relates the pixels of the first infrared image (10) to pixels of the second infrared image (11) is determined for the image positions (16, 17) of the corresponding features.

Abstract: A method for testing a measuring device is used to determine a permittivity of a frying fat which permittivity is inter alia dependent on the temperature, while taking into consideration the temperature. The method is characterized in that the permittivity is measured at least two different temperatures and the temperature dependence is determined and is used to make a statement on the ability to function of the measuring device.

Abstract: In a measuring apparatus (8) having a measuring unit (1) according to the invention a spatially resolved measurement result detected using the measuring unit (1) of an object (16) is converted into a false-color image, and the false-color image is cast back or projected onto the object (16) by a display device (3).

Abstract: An inspection arrangement (1) for a photovoltaic or solar-thermal solar installation, in which a thermal image of the solar installation is captured using a thermal imaging camera (2) and a measurement value of a physical measurement variable characterizing the light or solar irradiation is measured on or near the solar installation or the exposure of the solar installation by a radiation sensor (7, 8) and the thermal image and the measurement value are assigned to one another in an evaluation unit (5) of the thermal imaging camera (2).

Abstract: In a thermal imaging camera (1) with an IR sensor arrangement (2) and an interchangeable IR lens (5), an image processing unit (12) and a data processing unit (13) are provided with which at least one feature (8, 9) can be extracted from a recorded IR image (6) and a numerical value (14) can be derived from this feature, wherein the numerical value (14) is determined by the distortion of the interchangeable IR lens (5), and a mapping (16) of lens characteristics (17, 18, 19) with the determinable numerical values (14) is stored.

Abstract: A measuring device set (1) with a measuring device (2) and markers (6), that include an identification region (10) and a data region (7), containing the information to be read out, on the markers (6). The measuring device (2) has a recording unit (14), for recording (15) the marker (6) during the measurement (3) or in addition to the measurement (3), and an evaluation unit, for identifying the identification region (10) and for extracting the data from the data region (7) which is in a predetermined relative position to the identification region (10).

Abstract: A method for a touchless determination of the temperature of an object (13) in which at least one IR-image (10) and at least one VIS-image (12) of the object (13) are generated with an IR-detector unit (2) and with a VIS-detector unit (3) of a thermal imaging camera (1), a feature detection (16) is applied to the IR-image (10) and/or the VIS-image (12), thus extracting features (17), and identifying the object (13) from the features (17) extracted and present as a result of the feature detection (16), and to determine and display from the IR-image (10) at least one temperature value (25) of the object (13).

Abstract: In a gas sensor with at least two electrodes and with a sensor body which is connected thereto and is composed of a gas-sensitive material, in addition to pores which may already be present, second cavities are provided in the sensor body. The second cavities may be suitable on account of their size to facilitate and accelerate the distribution of gas molecules in the sensor body and to thus improve the time response of the gas sensor.

Abstract: A measuring device (1) for contactlessly measuring the temperature is provided with imaging optics (3, 3?) for IR radiation (5), which is incident on a measurement object (16) from a measuring spot (14), and a measuring spot marking apparatus (11) which generates a measuring spot mark (15) which delimits the measuring spot (14), wherein the aperture angle detected by the imaging optics (3, 3?), can be varied using an adjustment device (7), and the adjustment device (7) can be used to change the size of the measuring spot mark (15) in a manner corresponding to the variation in the aperture angle (FIG. 2).

Abstract: In a method for capacitive determination of the moisture content in a gas to be measured, it is provided that a capacitive element (2) brought into contact with a gas to be measured is operated in the manner of an RC oscillator (5) in charge-discharge cycles (27, 28), with the moisture content of the gas to be measured being determined from the time duration of a cycle. To assess measurement errors brought about by contaminants or aging effects, a measure for the time duration of a charging process (27) and a discharging process (28) is determined from output signal (26) of RC oscillator (5) and is processed with the measurement signal for the moisture content into a corrected measurement signal.

Abstract: In a temperature measuring device (1) an IR-radiation detector (2) and a reference element (3) are provided, connected to a surface (6) of an object (7) in a heat-conducting fashion, with a first area (4) with high emissivity and a second area (5) with high reflectivity formed at the reference element (3), and the IR-radiation detector (2) is equipped for a separate detection of IR-radiation (9, 10, 11) from the first and second areas (4, 5) and a surface area (12) of the object (7). A computer (13) in the IR-radiation detector (2) is equipped to deduct a temperature measurement for the object (7), corrected for emissions and reflections from the detected IR-radiations (9, 10, 11).

Abstract: In a thermal imaging camera (1) with an IR sensor arrangement (2) and an interchangeable IR lens (5), an image processing unit (12) and a data processing unit (13) are provided with which at least one feature (8, 9) can be extracted from a recorded IR image (6) and a numerical value (14) can be derived from this feature, wherein the numerical value (14) is determined by the distortion of the interchangeable IR lens (5), and a mapping (16) of lens characteristics (17, 18, 19) with the determinable numerical values (14) is stored.