SYSTEM AND METHOD FOR DIFFERENTIAL MEASUREMENT OF A FLUID LEVEL IN A SAMPLE RECEPTACLE

Automated systems and methods determine a level of fluid relative to a rim of a sample receptacle defining an open top of the sample receptacle. The systems and methods utilize a distance sensor to measure the distance between the rim of the sample receptacle and the surface of a fluid sample contai...

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Bibliographic Details
Main Author SILBERT, Rolf
Format Patent
LanguageEnglish
Published 08.06.2023
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:Automated systems and methods determine a level of fluid relative to a rim of a sample receptacle defining an open top of the sample receptacle. The systems and methods utilize a distance sensor to measure the distance between the rim of the sample receptacle and the surface of a fluid sample contained in the sample receptacle, where at least one of the sensor and the sample receptacle is moved relative to the other to enable the sensor to obtain a sequence of discrete measurements of distances between the sensor and the rim of the sample receptacle and between the sensor and the surface of the fluid sample. A controller processes an output signal from the sensor to determine a level of the fluid relative to the rim of the sample receptacle. The derivative of the sequence of discrete measurements may be used to identify the rim and the fluid surface in the output signal.
Bibliography:Application Number: US202117996923