公开(公告)号：US12163820B2

公开(公告)日：2024-12-10

申请号：US16981264

申请日：2019-03-14

Applicant: Eppendorf SE

Inventor： Andreas Graff ,  Martin Stranzinger

IPC: G01F23/24 ,  C12M1/00 ,  C12M1/34

Abstract: The invention relates to a fill-level measuring device for a laboratory cabinet device, for measuring a fill-level in a liquid container in the interior of the laboratory cabinet device, which detects the fill-level by comparing the measurement of two NTC temperature sensors, the first of which is arranged in the air of the interior and the second in the liquid of the liquid container.

公开(公告)号：US11703447B2

公开(公告)日：2023-07-18

申请号：US16467935

申请日：2017-12-08

Applicant: EPPENDORF SE

Inventor： Philipp Abel ,  Andreas Graff

IPC: G01N21/35 ,  G01N21/3504 ,  C12M1/34 ,  G01N33/00 ,  G01N21/31

CPC classification number: G01N21/3504 ,  C12M41/34 ,  G01N33/004 ,  G01N2021/3125 ,  G01N2201/0231 ,  G01N2201/0238

Abstract: The invention relates to a measurement apparatus for measuring the concentration of a gaseous substance. The apparatus comprises a light source, a light sensor, and a housing comprising at least one first housing member having a low thermal conductivity. A light path is formed from said light source to said light sensor, wherein the light path passes through a measurement region within said housing. The light source is configured to emit light with a spectral distribution such that said light is absorbed by said gaseous substance. Said light sensor is configured to receive the light emitted by the light source after it has passed through the measurement region. The first housing member comprises a thermal shielding region facing said measurement region on its one side and said light sensor on its other side, and is configured to permit the passage of light.