Probe for measuring alcohol in liquids
AssigneeBiotechnologie Kempe GmbH
InventorEberhard Kempe
Life of this patent
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Abstract
A probe (1) for quantitatively measuring volatile components of a liquid (2) includes a measurement gas space (3) separated from the liquid (4) by a permeation membrane (5). The membrane (5) is permeable for the volatile component, however nonpermeable for liquid. A selective gas detection system is arranged in the measurement gas space (3) for a defined volatile component. The gas detection system has an IR light source (6), an IR filter (7), (7′) and an IR-sensitive light sensor (8), (8′). Light falls through the IR filter on the light sensor (8), (8′). The IR filter (7), (7′) comprises a transmission window in the range of an alcohol-specific absorption band.
Claims15
A probe for quantitatively measuring volatile components of a liquid, the probe comprising:
- a permeation membrane permeable for the volatile component, however non-permeable for liquid;
- a measurement gas space separated from the liquid by the permeation membrane;
- and
- a selective gas detection system arranged in the measurement gas space for a defined volatile component, the gas detection system comprising an IR light source, an IR Filter and an IR-sensitive light sensor with light falling through the IR filter on the light sensor, the IR filter comprising a transmission window in the range of an alcohol-specific absorption band.
Dependencies are inferred from the claim text.