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1. 发明申请

US20210078006A1 A PHOTOMETER ARRANGEMENT FOR DETERMINING AN ANALYTE IN A LIQUID SAMPLE AND A METHOD FOR DETERMINING A CONCENTRATION OF AN ANALYTE IN A LIQUID SAMPLE 有权
公开(公告)号：US20210078006A1
公开(公告)日：2021-03-18
申请号：US16956321
申请日：2017-12-20
申请人： HACH LANGE GMBH
发明人： Heinz Rudde , Markus Hahn
IPC分类号： B01L3/00 , G01N21/78 , G01N21/82 , G01N35/00
摘要： The invention refers to a photometer arrangement (8) with a reagent container (10,10′) comprising a reagent (14) and being provided with a machine-readable reagent identifier (16), an analyzer device (30) comprising a photometer (40) for providing a photometric raw measurement value (M), a reagent identifier reader (45) for providing a reagent identity (R) and a photometer controller (36), a time stamp generator (38) for providing a measurement date (MD), a reagent ageing database (76) with reagent-identity-specific and age-specific ageing correction factors (C), and an evaluation device (50) having a data connection with the analyzer device (30) and the reagent ageing database (76). The long time accuracy of the photometric results is improved significantly.

2. 发明授权

US10261009B2 Method for determining an analyte in a water sample by means of a mobile water analysis arrangement 有权
公开(公告)号：US10261009B2
公开(公告)日：2019-04-16
申请号：US14700154
申请日：2015-04-30
申请人： HACH LANGE GMBH
发明人： Ulrich Lundgreen , Aria Farjam , Rolf Uthemann , Andreas Mitreiter , Isabel Huenig , Markus Lenhard , Rainer Froemel , Hans-Joachim Kumpch
IPC分类号： G01N21/31 , G01N33/18 , B01L3/00 , G01N21/78 , G01N27/416 , G01N21/59 , G01N27/30
摘要： A basic unit for a mobile water analyzing system includes a photometer comprising a light source configured to generate a measurement beam and a light detector configured to receive the measurement beam, a test element receptacle configured to allow a test element to be inserted therein, and a photometric measuring track arranged between the light source and the light detector. The measurement beam is coincident with the photometric measuring track during a photometric measurement, and not in a cross direction thereto.

3. 发明授权

US11782020B2 Adjustment of a pH electrode carbon region 有权
公开(公告)号：US11782020B2
公开(公告)日：2023-10-10
申请号：US17126617
申请日：2020-12-18
申请人： Hach Lange GmbH , University of Warwick
发明人： Zoë Duncan , Joshua James Tully
IPC分类号： C01B32/28 , G01N27/30 , C25B11/043 , G01N27/416 , G01N33/18
CPC分类号： G01N27/4165 , C01B32/28 , C25B11/043 , G01N27/302 , G01N27/308 , G01N33/18
摘要： An embodiment provides a method for modifying a carbon region on a boron-doped diamond electrode surface, comprising: placing a boron-doped diamond electrode surface in an aqueous solution, wherein the aqueous solution comprises an ionic treatment solution; applying a voltage difference across the boron-doped diamond electrode surface; and modifying a carbon region on an area of the boron-doped diamond electrode surface, wherein the modifying is responsive to application of the voltage while the boron-doped diamond electrode surface is in the aqueous solution, wherein the modification continues until a desired signal of the carbon region is reached. Other aspects are described and claimed.

4. 发明公开

US20230304842A1 FLOW VELOCITY MEASUREMENT ARRANGEMENT 审中-公开
公开(公告)号：US20230304842A1
公开(公告)日：2023-09-28
申请号：US18016887
申请日：2021-07-14
申请人： HACH LANGE GMBH
发明人： Andreas Golitz , Manfred Battefeld , Axel Leyer , Sebastian Goertz , Michael Kussmann , Frank Steinhauer , Kathrin Otte , Hartmut Dräger
IPC分类号： G01F1/708 , G01F1/64 , G01N27/10
CPC分类号： G01F1/708 , G01F1/64 , G01N27/10
摘要： A flow velocity measurement arrangement (10) for determining the flow velocity of an electrically conductive liquid in a liquid line, comprising an air bubble injector (82) for injecting an air bubble into a liquid flow, a first electrical conductivity measurement cell (30) downstream of the air bubble injector (82) and upstream of a measurement line (40), a second electrical conductivity measurement cell (30′) downstream of the measurement line (40), an evaluation unit (20) which determines the flow velocity of the liquid in the measurement line (40) on the basis of the time-related characteristics of the conductivity measurement results of the two measurement cells (30, 30′).

5. 发明公开

US20230288370A1 ADJUSTMENT OF A pH ELECTRODE CARBON REGION 审中-公开
公开(公告)号：US20230288370A1
公开(公告)日：2023-09-14
申请号：US18319263
申请日：2023-05-17
申请人： Hach Lange GmbH , University of Warwick
发明人： Zoë Duncan , Joshua James Tully
IPC分类号： G01N27/416 , C01B32/28 , G01N27/30 , G01N33/18 , C25B11/043
CPC分类号： G01N27/4165 , C01B32/28 , G01N27/302 , G01N27/308 , G01N33/18 , C25B11/043
摘要： An embodiment provides a method for modifying a carbon region on a boron-doped diamond electrode surface, comprising: placing a boron-doped diamond electrode surface in an aqueous solution, wherein the aqueous solution comprises an ionic treatment solution; applying a voltage difference across the boron-doped diamond electrode surface; and modifying a carbon region on an area of the boron-doped diamond electrode surface, wherein the modifying is responsive to application of the voltage while the boron-doped diamond electrode surface is in the aqueous solution, wherein the modification continues until a desired signal of the carbon region is reached. Other aspects are described and claimed.

6. 发明授权

US11714050B2 Method for determining phosphate 有权
公开(公告)号：US11714050B2
公开(公告)日：2023-08-01
申请号：US16648669
申请日：2018-08-09
申请人： HACH LANGE GMBH
发明人： Andreas Golitz , Andreas Jonak , Michael Kussmann , Axel Leyer , Andreas Schwenk , Markus Hahn
IPC分类号： G01N21/78 , G01N31/22
CPC分类号： G01N21/78 , G01N31/22
摘要： A method for determining a phosphate concentration in a water sample includes providing the water sample, adding a first acid to the water sample to obtain a second water sample in which a concentration of the first acid is at least 0.5 wt.-%, performing a first photometric measurement of the second water sample, adding a coloring component to the second water sample to obtain a third water sample, performing a second photometric measurement of the third water sample, and calculating the phosphate concentration from a difference between the first photometric measurement and the second photometric measurement.

7. 发明申请

US20210135694A1 ANTENNA NETWORK MATCHING 有权
公开(公告)号：US20210135694A1
公开(公告)日：2021-05-06
申请号：US17253834
申请日：2019-08-30
申请人： HACH LANGE GMBH
发明人： Arnaud Herbert
IPC分类号： H04B1/04 , H01Q1/38 , H01Q5/10
摘要： An embodiment provides a method for matching an antenna to a network, including: identifying a communication network having a predetermined frequency accessible to connect a multi-band antenna of a device that radiates at a plurality of frequencies, wherein the plurality of frequencies includes the predetermined frequency; selecting one of a plurality of matching networks associated with the multi-band antenna based upon the predetermined frequency of the communication network, wherein each of the plurality of matching networks is associated with at least one of the plurality of frequencies; and connecting the multi-band antenna to the identified communication ne twork while employing the selected one of a plurality of matching networks. Other aspects are described and claimed.

8. 发明申请

US20200340925A1 METHOD FOR DETERMINING PHOSPHATE 审中-公开
公开(公告)号：US20200340925A1
公开(公告)日：2020-10-29
申请号：US16648669
申请日：2018-08-09
申请人： HACH LANGE GMBH
发明人： ANDREAS GOLITZ , ANDREAS JONAK , MICHAEL KUSSMANN , AXEL LEVER , ANDREAS SCHWENK , MARKUS HAHN
IPC分类号： G01N21/78 , G01N31/22
摘要： A method for determining a phosphate concentration in a water sample includes providing the water sample, adding a first acid to the water sample to obtain a second water sample in which a concentration of the first acid is at least 0.5 wt.-%, performing a first photometric measurement of the second water sample, adding a coloring component to the second water sample to obtain a third water sample, performing a second photometric measurement of the third water sample, and calculating the phosphate concentration from a difference between the first photometric measurement and the second photometric measurement.

9. 发明授权

US10627336B2 Optical measurement device 有权
公开(公告)号：US10627336B2
公开(公告)日：2020-04-21
申请号：US16347989
申请日：2017-11-07
申请人： HACH LANGE GMBH
发明人： Frank Steinhauer , Roman Klein , Robert Dalljo
IPC分类号： G01N21/00 , G01N21/15 , G01N21/51
CPC分类号： G01N21/15 , G01N21/51 , G01N2021/152
摘要： An optical measurement device with a transparent cylindrical measurement cuvette, which defines an axial symmetrical axis and contains the fluid sample, an optical measurement arrangement which quantitatively determines the optical property of the fluid sample in the measurement cuvette, and a mechanical cleaning arrangement is described. The cleaning arrangement comprises an external magnetic working platform, which is arranged coaxially to the symmetrical axis, is slidable in a translatory manner parallel to the symmetrical axis, is rotatable about the symmetrical axis, encloses the cylindrical measurement cuvette externally in an annular manner, and has at least one translatory magnet element and at least one rotary magnet element, and an internal magnetic cleaning unit, which is arranged within the measurement cuvette and is slidable in a translatory manner, has a cleaning body, has at least one translatory magnet element, and has at least one rotary magnet element. The translatory magnet elements as well as the rotary magnet elements of the working platform and the cleaning unit are coupled to one another in a contactless and magnetic manner, respectively. Other aspects are described and claimed.

10. 发明授权

US10309950B2 Test-element for a mobile water analysis arrangement 有权
公开(公告)号：US10309950B2
公开(公告)日：2019-06-04
申请号：US15447138
申请日：2017-03-02
申请人： HACH LANGE GMBH
发明人： Ulrich Lundgreen , Aria Farjam , Rolf Uthemann , Andreas Mitreiter , Isabel Huenig , Markus Lenhard , Rainer Froemel , Hans-Joachim Kumpch
IPC分类号： G01N33/18 , G01N21/31 , B01L3/00 , G01N21/78 , G01N27/416
摘要： A test element for a mobile water analyzing system includes a sample line and a key reagent disposed in the sample line. The sample line includes an inlet opening arranged at a first end, a pump port arranged at a second end of the sample line, an inlet section arranged between the inlet opening and the pump port, and a measuring section with at least one window arranged at an end of the measuring section. The inlet opening receives a water sample. The measuring section is arranged between the inlet section and the pump port and is coincident with a sample pathway.

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