Abstract: The invention relates to a filter unit (1, 19), having: at least one warp-knitted spacer (3) which comprises a first and a second cover layer (4; 5) having in each case a multiplicity of openings (6) which are delimited by peripheral regions (7), wherein threads (8) extend from the peripheral regions (7) of the first cover layer (4) to peripheral regions (7) of the second cover layer (5), and wherein the at least one warp-knitted spacer is rolled, twisted, and/or at least in one portion is compressed.

Abstract: The invention relates to a filter unit (1, 19), having: at least one warp-knitted spacer (3) which comprises a first and a second cover layer (4; 5) having in each case a multiplicity of openings (6) which are delimited by peripheral regions (7), wherein threads (8) extend from the peripheral regions (7) of the first cover layer (4) to peripheral regions (7) of the second cover layer (5), and wherein the at least one warp-knitted spacer is rolled, twisted, and/or at least in one portion is compressed.

Abstract: The present invention provides a measuring apparatus (100) designed to analyze a fluid sample (3) or a luminescent sample (52), wherein the measuring apparatus (100) comprises a radiation receiver device (6, 56) for receiving a light beam guided along a measurement path through the fluid sample or radiation emitted by the luminescent sample (52), and wherein the measuring apparatus comprises at least one connection device (36) for connecting an external electronic device (37) for transferring the measurement signals of the radiation receiver device (6, 56) to an evaluation device (109) of the external electronic device (37) for evaluating the measurement signals.

Abstract: The invention provides a measuring device for analyzing a luminescent sample and, in particular, for measuring the concentration of at least one analyte in a luminescent sample, comprising: a housing with a sample receptacle space for accommodating a sample container; a sample container for accommodating the luminescent sample; a radiation receiver apparatus for receiving radiation emitted by the luminescent sample; and an evaluation apparatus for evaluating the radiation from the luminescent sample received by the radiation receiver apparatus. The invention moreover provides a measuring device comprising a base part and a measuring head arranged at the base part in an interchangeable manner, wherein the measuring head is embodied to analyze the luminescent sample or it is embodied as a spectrometer measuring head.

Abstract: The invention provides a measuring device for analyzing a luminescent sample and, in particular, for measuring the concentration of at least one analyte in a luminescent sample, comprising: a housing with a sample receptacle space for accommodating a sample container; a sample container for accommodating the luminescent sample; a radiation receiver apparatus for receiving radiation emitted by the luminescent sample; and an evaluation apparatus for evaluating the radiation from the luminescent sample received by the radiation receiver apparatus. The invention moreover provides a measuring device comprising a base part and a measuring head arranged at the base part in an interchangeable manner, wherein the measuring head is embodied to analyze the luminescent sample or it is embodied as a spectrometer measuring head.

Abstract: The present invention provides a measuring apparatus (100) designed to analyze a fluid sample (3) or a luminescent sample (52), wherein the measuring apparatus (100) comprises a radiation receiver device (6, 56) for receiving a light beam guided along a measurement path through the fluid sample or radiation emitted by the luminescent sample (52), and wherein the measuring apparatus comprises at least one connection device (36) for connecting an external electronic device (37) for transferring the measurement signals of the radiation receiver device (6, 56) to an evaluation device (109) of the external electronic device (37) for evaluating the measurement signals.

Abstract: The invention relates to a filter unit (1, 19), having: at least one warp-knitted spacer (3) which comprises a first and a second cover layer (4; 5) having in each case a multiplicity of openings (6) which are delimited by peripheral regions (7), wherein threads (8) extend from the peripheral regions (7) of the first cover layer (4) to peripheral regions (7) of the second cover layer (5), and wherein the at least one warp-knitted spacer is rolled, twisted, and/or at least in one portion is compressed.

Abstract: The present invention creates a spectrometer (1; 1?) for measuring the concentration of at least one analyte in a fluid sample (2; 2?), with a light source (3; 3?) to generate a light beam (4; 4?), with a photosensor (5; 5?) to receive the light beam (4; 4?), and with a measurement length (6; 6?), in which the fluid sample (2; 2?) can be placed, in the beam path of the light beam (4; 4?), the measurement length (6; 6?) being provided in changeable form.

Abstract: The present invention creates a spectrometer (1; 1?) for measuring the concentration of at least one analyte in a fluid sample (2; 2?), with a light source (3; 3?) to generate a light beam (4; 4?), with a photosensor (5; 5?) to receive the light beam (4; 4?), and with a measurement length (6; 6?), in which the fluid sample (2; 2?) can be placed, in the beam path of the light beam (4; 4?), the measurement length (6; 6?) being provided in changeable form.