WATER PRESSURE-RESISTANT TURBIDIMETER
PURPOSE:To prevent the lowering of the detection senstivity due to the increase in thickness of a window glass, and provided a water proof turbidimeter with a window glass increased in thickness, by axially changing the position of the light source center of a light-emitting diode in accordance with...
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| creator | KOBARI YUKIO URUSHIBARA SHIYOUTAROU |
| description | PURPOSE:To prevent the lowering of the detection senstivity due to the increase in thickness of a window glass, and provided a water proof turbidimeter with a window glass increased in thickness, by axially changing the position of the light source center of a light-emitting diode in accordance with the thickness of the window glass. CONSTITUTION:A turbidimeter detection section 8 is immersed in a water- measuring tank 1, and a light-emitting diode 14 is turned ON. The light beam is scattered, and the beam component entering a window glass 12 is detected by means of a detecting light-receiving element 15. A part of the emitted light beam is passed through a bore 26 in a comparing block 25 and is detected by means of a comparing light-receiving element 16. A part of the beam of light emitted from the light-emitting diode 14 is reflected by the interface between the window glass 12 and the liquid to enter the detecting light-receiving element 15 and lower the snesitivity of detection of the scattered light. Therefore, in accordance with the thickness of the window glass 12, the light-receiving element 15 is axially moved by a predetermined value to prevent the lowering of the sensitivity. In addition, increasing the window glass 12 in thickness permits an improvement in water resistance. |
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CONSTITUTION:A turbidimeter detection section 8 is immersed in a water- measuring tank 1, and a light-emitting diode 14 is turned ON. The light beam is scattered, and the beam component entering a window glass 12 is detected by means of a detecting light-receiving element 15. A part of the emitted light beam is passed through a bore 26 in a comparing block 25 and is detected by means of a comparing light-receiving element 16. A part of the beam of light emitted from the light-emitting diode 14 is reflected by the interface between the window glass 12 and the liquid to enter the detecting light-receiving element 15 and lower the snesitivity of detection of the scattered light. Therefore, in accordance with the thickness of the window glass 12, the light-receiving element 15 is axially moved by a predetermined value to prevent the lowering of the sensitivity. In addition, increasing the window glass 12 in thickness permits an improvement in water resistance.</description><language>eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>1983</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19831102&DB=EPODOC&CC=JP&NR=S58187836A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19831102&DB=EPODOC&CC=JP&NR=S58187836A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KOBARI YUKIO</creatorcontrib><creatorcontrib>URUSHIBARA SHIYOUTAROU</creatorcontrib><title>WATER PRESSURE-RESISTANT TURBIDIMETER</title><description>PURPOSE:To prevent the lowering of the detection senstivity due to the increase in thickness of a window glass, and provided a water proof turbidimeter with a window glass increased in thickness, by axially changing the position of the light source center of a light-emitting diode in accordance with the thickness of the window glass. CONSTITUTION:A turbidimeter detection section 8 is immersed in a water- measuring tank 1, and a light-emitting diode 14 is turned ON. The light beam is scattered, and the beam component entering a window glass 12 is detected by means of a detecting light-receiving element 15. A part of the emitted light beam is passed through a bore 26 in a comparing block 25 and is detected by means of a comparing light-receiving element 16. A part of the beam of light emitted from the light-emitting diode 14 is reflected by the interface between the window glass 12 and the liquid to enter the detecting light-receiving element 15 and lower the snesitivity of detection of the scattered light. Therefore, in accordance with the thickness of the window glass 12, the light-receiving element 15 is axially moved by a predetermined value to prevent the lowering of the sensitivity. 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CONSTITUTION:A turbidimeter detection section 8 is immersed in a water- measuring tank 1, and a light-emitting diode 14 is turned ON. The light beam is scattered, and the beam component entering a window glass 12 is detected by means of a detecting light-receiving element 15. A part of the emitted light beam is passed through a bore 26 in a comparing block 25 and is detected by means of a comparing light-receiving element 16. A part of the beam of light emitted from the light-emitting diode 14 is reflected by the interface between the window glass 12 and the liquid to enter the detecting light-receiving element 15 and lower the snesitivity of detection of the scattered light. Therefore, in accordance with the thickness of the window glass 12, the light-receiving element 15 is axially moved by a predetermined value to prevent the lowering of the sensitivity. In addition, increasing the window glass 12 in thickness permits an improvement in water resistance.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | WATER PRESSURE-RESISTANT TURBIDIMETER |
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