LIQUID REFRACTOMETER AND LIQUID CONCENTRATION METER USING SAME

PURPOSE:To measure a refractive index on an off-line basis at all times by putting an image fiber which photodetects and guides measurement light to a detection part in a sensor probe. CONSTITUTION:The sensor probe 9 contains a light guide 2 which guides the measurement light, a sensor part 6 which...

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Hauptverfasser: NAKAMURA KENJI, OOHASHI TATSUYUKI, SANADA KAZUO, CHIGIRA SADAO, NUKUI KAZUMITSU
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creator NAKAMURA KENJI
OOHASHI TATSUYUKI
SANADA KAZUO
CHIGIRA SADAO
NUKUI KAZUMITSU
description PURPOSE:To measure a refractive index on an off-line basis at all times by putting an image fiber which photodetects and guides measurement light to a detection part in a sensor probe. CONSTITUTION:The sensor probe 9 contains a light guide 2 which guides the measurement light, a sensor part 6 which refracts the measurement light guided by the light guide 2 and detects the refractive index of the sample liquid, and the image fiber 8 which photodetects and guides the measurement light projected from the sensor part 6. Then the sensor probe 9 is dipped directly in the sample liquid first. Then the measurement light which is guided 8 is detected by a detection part 7 as a light signal, which is converted into an electrode signal by various photodetecting elements. The data which is converted into the electric signal is processed 16 by using a relational expression to find the refractive index of the sample liquid. Thus, only the sensor probe 9 is dipped directly in the sample liquid without sampling the sample liquid, so the refractive index of the liquid is measured on an on-line basis at all times.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title LIQUID REFRACTOMETER AND LIQUID CONCENTRATION METER USING SAME
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