JPH0415543A - Ozone concentration measurement method and device - Google Patents
Ozone concentration measurement method and deviceInfo
- Publication number
- JPH0415543A JPH0415543A JP11869990A JP11869990A JPH0415543A JP H0415543 A JPH0415543 A JP H0415543A JP 11869990 A JP11869990 A JP 11869990A JP 11869990 A JP11869990 A JP 11869990A JP H0415543 A JPH0415543 A JP H0415543A
- Authority
- JP
- Japan
- Prior art keywords
- ozone
- water
- optical fiber
- light
- ozone concentration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims description 85
- 238000000691 measurement method Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 98
- 239000013307 optical fiber Substances 0.000 claims description 45
- 238000001514 detection method Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000000862 absorption spectrum Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000003595 spectral effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、オゾン濃度測定方法及び装置に関し、特に、
光ファイバによって照射光と透過光を案内することによ
り、測定誤差の少ない高精度のオゾン濃度を得るための
新規な改良に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method and apparatus for measuring ozone concentration, and in particular,
This invention relates to a novel improvement for obtaining highly accurate ozone concentration with little measurement error by guiding irradiated light and transmitted light through optical fibers.
従来、用いられていたこの種のオゾン濃度測定方法とし
ては種々あるが、その中で代表的なものについて述へる
と、第７図にて示す特開昭６３＝２４．８８４２号公報
第５図の構成を挙げることができる。There are various methods of measuring ozone concentration of this type that have been used in the past, but the most representative one is shown in FIG. The configuration of the figure can be mentioned.
すなわち、オゾン水濃度計１内に設けられた基準水用セ
ル２及びオゾン水用セル３内に、配管４５が接続して設
けられており、これらの各配管４５は、基準水か充填さ
れた基準水容器６及びオゾン水が充填されたオゾン水容
器７に接続されている。That is, pipes 45 are connected to the reference water cell 2 and ozone water cell 3 provided in the ozone water concentration meter 1, and each of these pipes 45 is filled with reference water. It is connected to a reference water container 6 and an ozone water container 7 filled with ozone water.
従って、基準水容器６からの基準水を配管４を介して基
準水用セル２に導くと共に、オゾン水容器７からのオゾ
ン水を配管５を介してオゾン水用セル３に導かれ、各セ
ル２．３中のオゾン濃度を計測して、この計測した値を
ランバート・ベールの法則を適用してオゾン濃度を求め
るようにしていた。Therefore, the reference water from the reference water container 6 is guided to the reference water cell 2 via the pipe 4, and the ozone water from the ozone water container 7 is guided to the ozone water cell 3 via the pipe 5, and each cell 2.3, the ozone concentration was measured and the Lambert-Beer law was applied to the measured value to determine the ozone concentration.
〔発明が解決しようとする課題〕
従来のオゾン濃度測定方法は、以」二のように構成され
ていたため、次のような課題が存在していた。[Problems to be Solved by the Invention] The conventional ozone concentration measuring method was configured as described below, and therefore had the following problems.
すなわち、基準水及びオゾン水を、基準水用セル及びオ
ゾン水用セルに配管を介して導く必要があり、セル及び
配管が必要であり、構造が複雑化していた。That is, it is necessary to guide the reference water and ozone water to the reference water cell and the ozone water cell through piping, which requires cells and piping, making the structure complicated.
また、基準水及びオゾン水配管に通ずために、オゾンと
配管がなしんだ状態で使用しないと、オゾンの減少かあ
り、測定の初期に誤差が多く、迅速な測定を行うことか
極めて困難であった。In addition, since it connects to the reference water and ozone water piping, if it is not used with the ozone and piping disconnected, ozone may decrease, and there will be many errors in the initial stage of measurement, making it extremely difficult to perform quick measurements. Met.
さらに、基準水及びオゾン水を配管を介して導くため、
各配管の長さの差によって、誤差が発生することになっ
ていた。Furthermore, in order to guide the reference water and ozone water through piping,
Errors were to occur due to differences in the length of each pipe.
本発明は、以上のような課題を解決するためになされた
もので、特に、光ファイバによって照射光と透過光を案
内することにより、測定誤差の少ない高精度のオゾン濃
度を得るようにしたオゾン濃度測定方法及び装置を提供
することを目的とする。The present invention has been made to solve the above-mentioned problems. In particular, the present invention is an ozone solution that obtains highly accurate ozone concentration with less measurement error by guiding irradiated light and transmitted light through optical fibers. The purpose of the present invention is to provide a method and device for measuring concentration.
本発明によるオゾン濃度測定方法は、基準水とオゾン水
に対し、オゾンの吸収スペクトルに適Ｂするスペクトル
を有する光源からの光を照射し、透過した光量を測定し
、オゾンのスペクトル吸収特性によってオゾン濃度を測
定するオゾン濃度測定方法において、前記光を光ファイ
バを経由して前記基準水中とオゾン水中に導くようにし
た方法である。The ozone concentration measuring method according to the present invention irradiates reference water and ozonated water with light from a light source having a spectrum B suitable for the absorption spectrum of ozone, measures the amount of transmitted light, and determines the ozone concentration based on the spectral absorption characteristics of ozone. In the ozone concentration measuring method for measuring concentration, the light is guided into the reference water and ozone water via an optical fiber.
また、他の発明であるオゾン濃度測定装置は、基準水と
オゾン水に対し、オゾンの吸収スペク１〜ルに適きする
スペクトルを有する光源からの光を照射し、透過した光
量を測定し、オゾンのスペクトル吸収特性によってオゾ
ン濃度を測定するオゾン濃度測定装置において、前記光
源からの光を受光する光学系と、前記光学系に設けられ
た基準水用入射光ファイバ及びオゾン水用入射光ファイ
バと、前記基準水用入射光ファイバに接続され基準水容
器内に設けられた第１検出部と、前記第１検出部に接続
された基準水用透過光ファイバと、前記オゾン水用入射
光ファイバに接続されオゾン水容器内に設けられた第２
検出部と、前記第２検出部に接続されたオゾン水用透過
光ファイバと、前記各透過光ファイバからの透過光を光
電変換した電気信号を処理するための信号処理部とを備
えた装置である。 〔作 用〕
本発明によるオゾン濃度測定方法及び装置においては、
光源からの光が基準水用入射光ファイバ及びオゾン水用
入射光ファイバを介して基準水とオゾン水内に照射され
、この基準水とオゾン水を透過した透過光は、基準水用
透過光ファイバ及びオゾン水用透過光ファイバを経て、
信号変換部で電気信号に変換され、これらの電気信号を
信号処理部て処理することにより、ランバート・ベール
の法則に基づいてオゾン水のオゾン濃度を得ることがで
きる。In addition, an ozone concentration measuring device according to another invention irradiates reference water and ozonated water with light from a light source having a spectrum suitable for ozone absorption spectra 1 to 1, and measures the amount of transmitted light. An ozone concentration measuring device that measures ozone concentration based on the spectral absorption characteristics of ozone, comprising: an optical system that receives light from the light source; an input optical fiber for reference water and an input optical fiber for ozonated water provided in the optical system; , a first detection section connected to the reference water input optical fiber and provided in the reference water container; a reference water transmission optical fiber connected to the first detection section; and a reference water input optical fiber connected to the ozone water input optical fiber. A second tube connected to the ozone water container
A device comprising a detection unit, an ozonated water transmission optical fiber connected to the second detection unit, and a signal processing unit for processing an electric signal obtained by photoelectrically converting transmitted light from each transmission optical fiber. be. [Function] In the ozone concentration measuring method and device according to the present invention,
Light from the light source is irradiated into the reference water and ozone water through the reference water input optical fiber and the ozone water input optical fiber, and the transmitted light that has passed through the reference water and ozone water is transmitted to the reference water transmission optical fiber. And through the transparent optical fiber for ozonated water,
The ozone concentration of the ozonated water can be obtained based on the Beer-Lambert law by converting into electrical signals in the signal converter and processing these electrical signals in the signal processing section.
また、従来のセルを用いた濃度計に比較すると、オゾン
濃度計内にはオゾン水を導く必要がなく光ファイバによ
って信号を取り出すため、測定精度を大巾に向上させる
ことができる。Furthermore, compared to a densitometer using a conventional cell, there is no need to introduce ozone water into the ozone densitometer, and the signal is extracted through an optical fiber, making it possible to greatly improve measurement accuracy.
以下、図面と共に本発明によるオゾン濃度測定方法及び
装置の好適な実施例について詳細に説明する。Hereinafter, preferred embodiments of the ozone concentration measuring method and apparatus according to the present invention will be described in detail with reference to the drawings.
尚、従来例と同−又は相当部分には、同一符号を用いて
説明する。Note that the same reference numerals are used to describe the same or equivalent parts as in the conventional example.
第１図から第６図迄は、本発明によるオゾン濃度測定方
法及び装置を示すためのもので、第１図は全体構成を示
すブロック構成図、第２図は第１図の概略構成図、第３
図は第１図の検出部を示す拡大構成図、第４図、第５図
及び第６図は第３図の他の実施例を示す構成図である。1 to 6 are for showing the ozone concentration measuring method and apparatus according to the present invention. FIG. 1 is a block configuration diagram showing the overall configuration, FIG. 2 is a schematic configuration diagram of FIG. 1, Third
This figure is an enlarged block diagram showing the detection section of FIG. 1, and FIGS. 4, 5, and 6 are block diagrams showing other embodiments of the embodiment shown in FIG. 3.
図において符号１で示されるものは、オゾン水濃度計で
あり、このオゾン水濃度計１は、第１、第２信号変換部
１０，１１、第１、第２電気信号増中器１２．１３、信
号処理部１４及び表示部１５とから構成されている。What is indicated by the reference numeral 1 in the figure is an ozone water concentration meter, and this ozone water concentration meter 1 includes first and second signal converters 10 and 11, first and second electric signal intensifiers 12 and 13. , a signal processing section 14, and a display section 15.
前記第１信号変換部１０に接続された基準水用透過光フ
ァイバ２０は、基準水容器６内の第１検出部２１に接続
され、前記第２信号変換部１．１に接続されたオゾン水
用透過光ファイバ２２は、オゾン水容器７内の第２検出
部２３に接続されている。The transmission optical fiber 20 for reference water connected to the first signal conversion section 10 is connected to the first detection section 21 in the reference water container 6, and the ozone water transmission optical fiber connected to the second signal conversion section 1.1 is connected to the first detection section 21 in the reference water container 6. The transmission optical fiber 22 is connected to a second detection section 23 inside the ozone water container 7.
次に、符号３０で示される乙のは、オゾンの吸収スペク
トルに適合するスペク１〜ルを有する光源てあり、この
光源３０からの光３０ａは、光学系３１で分光される。Next, a light source indicated by reference numeral 30 has a spectrum 1 to 1 that matches the absorption spectrum of ozone, and light 30a from this light source 30 is separated by an optical system 31.
前記光学系３１に設けられた基準水用入射光ファイバ３
２は前記第１検出部２１に接続され、前記光学系３１に
設けられたオゾン水用入射光ファイバ３３は前記第２検
出部２３に接続されている。Reference water input optical fiber 3 provided in the optical system 31
2 is connected to the first detection section 21 , and an ozone water input optical fiber 33 provided in the optical system 31 is connected to the second detection section 23 .
前記各光ファイバ２０，２２，３２．３３は、材質、断
面共同−のものであり、紫外線を通しやすい光ファイバ
であることが必要である。The optical fibers 20, 22, 32, and 33 are made of the same material and have the same cross section, and must be optical fibers that easily transmit ultraviolet rays.
前記光源３０からの光３０ａは、前記光源３０の発生ず
る放射エネルギーあるいは光量等の変化を補正するため
に設けられた補正用信号変換部４０に入射されており、
この補正用信号変換部４０の出力信号４０ａは、電気信
号増幅器４１を介して前記信号処理部１４に印加されて
いる。The light 30a from the light source 30 is incident on a correction signal converter 40 provided for correcting changes in radiant energy or light amount generated by the light source 30,
The output signal 40a of this correction signal conversion section 40 is applied to the signal processing section 14 via an electric signal amplifier 41.
前記各検出部２１．２３は、詳細には、第３図で示すよ
うに構成されており、各入射光ファイバ３２．３３から
の入射光は、各検出部２１．，２３の反射ミラー４２を
通り、凹部Ｃ内の基準水又はオゾン水にあてられる。こ
のオゾン水にあてた場合、紫外線がオゾン水に吸収され
なかった紫外線が反射ミラー４３を介して各透過光ファ
イバ２０２２に導かれるように構成されている。また、
前記各検出部２１．２３は、直接基準水又はオゾン水中
に浸漬されるため、防水構造て構成されている。Each of the detection units 21.23 is configured as shown in FIG. 3 in detail, and the incident light from each input optical fiber 32.33 is transmitted to each detection unit 21.23. , 23, and is applied to the reference water or ozone water in the recess C. When exposed to this ozonated water, the ultraviolet rays that are not absorbed by the ozonated water are configured so that they are guided to each transmission optical fiber 2022 via the reflection mirror 43. Also,
Each of the detection units 21, 23 is directly immersed in reference water or ozone water, and therefore has a waterproof structure.
尚、前記各検出部２１．２３の構成は、第３図に示ずも
のの他、第４図に示すように、反射ミラーを用いず、各
入射光ファイバ３２．３３と各透過光ファイバ２０．２
２間を、間隙りを介して一対の検出器５０．５１を互い
に直線状に離間さぜな構成、第５図て示すように、光量
を高効率で伝達するために一対のレンズ５２を配設した
構成、第６図のように、前述の第４図の構成の各検出器
５０．５１内にレンズ５２を設けた構成とした場きも同
様の作用効果を得ることができるもので、オゾンの最大
吸収帯波長２５４ｎ＋ｎを利用する場りは、レンズ５２
もこの２５４旧ｎを良好に透過するものとすることが必
要である。In addition to the configuration shown in FIG. 3, the configuration of each of the detection units 21.23 does not use a reflecting mirror, and includes each input optical fiber 32.33 and each transmission optical fiber 20.23, as shown in FIG. 2
As shown in FIG. 5, a pair of lenses 52 are arranged to transmit the amount of light with high efficiency. Similar effects can be obtained by using a configuration in which a lens 52 is provided in each of the detectors 50 and 51 in the configuration shown in FIG. 4, as shown in FIG. When using the maximum absorption band wavelength 254n+n, the lens 52
It is also necessary that this 254 old n be transmitted well.
本発明によるオゾン濃度測定方法を適用するオゾン濃度
測定装置は、前述したように構成されており、以下に、
その動作について説明する。The ozone concentration measuring device to which the ozone concentration measuring method according to the present invention is applied is configured as described above, and as follows:
Its operation will be explained.
まず、光源３０からの光３０ａは、光学系３１により分
光され、一方の光は、基準水用入射光ファイバ３２から
基準水中の第１検出部２１を経て、基準水用透過光ファ
イバ２０から第１信号変換部１０に送られて、光電変換
される。First, the light 30a from the light source 30 is separated by the optical system 31, and one of the lights passes from the reference water incident optical fiber 32 to the first detection section 21 in the reference water, and from the reference water transmission optical fiber 20 to the first detection section 21. 1 signal converter 10, where it is photoelectrically converted.
また、他方の光は、オゾン水用入射光ファイバ３３から
オゾン水中の第２検出部２３を経て、オゾン水用透過光
ファイバ２２から第２信号変換部１］−に送られ光電変
換される。The other light is sent from the ozonated water incident optical fiber 33 to the second detection section 23 in the ozonated water, and is sent from the ozonated water transmission optical fiber 22 to the second signal conversion section 1]-, where it is photoelectrically converted.
前記各信号変換部１０．１１で光電変換された電気信号
１．０ａ、ｌｌａは、第１、第２電気信号増中部１２．
１３を介して信号処理部１４に送られる。The electrical signals 1.0a, lla photoelectrically converted by the respective signal converters 10.11 are transferred to the first and second electrical signal intensifiers 12.
The signal is sent to the signal processing unit 14 via 13.
前記信号処理部１４ては、基準水の透過光量Ａとオゾン
水の透過光ＪＬＢを参照し、周知のランバート・ヘール
の法則に基ついて信号処理してオゾン濃度を測定し、こ
の測定結果を表示部］−５に表示する。The signal processing unit 14 refers to the amount of transmitted light A of the reference water and the transmitted light JLB of ozone water, performs signal processing based on the well-known Lambert-Hale law, measures the ozone concentration, and displays the measurement results. section]-5.
また、前記第２検出部２３は、前記基準水容器Ｇ内の基
準水内に浸漬させて、この基準水の透過光量Ａとオゾン
水の透過光量Ｂの割合を謂へ、信号処理部１４において
補正を行うように構成されている。Further, the second detection section 23 is immersed in the reference water in the reference water container G, and the signal processing section 14 calculates the ratio of the amount of transmitted light A of this reference water and the amount of transmitted light B of ozone water. It is configured to perform the correction.
さらに、前記各電気信号増幅部１２．１３を１個の回路
部で構成し、図示しない切換スイッチを用いて切換るよ
うにした場会も同様の作用効果を得ることができるもの
である。Further, similar effects can be obtained in a case where each of the electrical signal amplification sections 12, 13 is configured as one circuit section and is switched using a changeover switch (not shown).
本発明によるオゾン濃度測定方法及び装置は、以上のよ
うに構成されているため、次のような効果を得ることが
できる。Since the ozone concentration measuring method and apparatus according to the present invention are configured as described above, the following effects can be obtained.
すなわち、オゾン水濃度計と基準水及びオゾン水間は、
光ファイバて接続されているため、従来のように、基準
水やオゾン水を直接案内するための配管が必要てなく、
オゾンの減少のない高精度のオゾン濃度を得ることがで
きる。In other words, the distance between the ozone water concentration meter, the reference water, and the ozone water is
Since it is connected using optical fiber, there is no need for piping to directly guide reference water or ozone water as in the past.
Highly accurate ozone concentration without ozone depletion can be obtained.
また、前述の効果により、測定誤差を少なくすることが
てきると共に、立上り特性が良好であるため、測定開始
後、直ちに高精度の測定を行うことかできる。Further, due to the above-mentioned effects, measurement errors can be reduced, and since the rise characteristic is good, highly accurate measurement can be performed immediately after starting measurement.
第１図から第６１迄は、本発明によるオゾン濃度測定方
法及び装置を示すためのもので、第１図は全体構成を示
すブロック構成図、第２図は第１図の概略構成図、第３
図は第１図の検出部を示す拡大構成図、第４図、第５図
及び第６図は第３図の他の実施例を示す構成図、第７図
は従来のオゾン濃度測定方法を示す概略構成図である。
６は基準水容器、７はオゾン水容器、１４は信号処理部
、２０は基準水用透過光ファイバ、２１は第１検出部、
２２はオゾン水用透過光ファイバ、２３は第２検出部、
３０は光源、３０ａは光、３１は光学系、３２は基準水
用入射光ファイバ、３３はオゾン水用入射光ファイバで
ある。1 to 61 are for showing the ozone concentration measuring method and apparatus according to the present invention. FIG. 1 is a block configuration diagram showing the overall configuration, FIG. 2 is a schematic configuration diagram of FIG. 1, and FIG. 3
The figure is an enlarged block diagram showing the detection section in Figure 1, Figures 4, 5, and 6 are block diagrams showing other embodiments of Figure 3, and Figure 7 shows the conventional ozone concentration measuring method. FIG. 6 is a reference water container, 7 is an ozone water container, 14 is a signal processing section, 20 is a transmission optical fiber for reference water, 21 is a first detection section,
22 is a transmission optical fiber for ozonated water, 23 is a second detection section,
30 is a light source, 30a is a light, 31 is an optical system, 32 is an input optical fiber for reference water, and 33 is an input optical fiber for ozone water.
Claims (2)
ルに適合するスペクトルを有する光源（３０）からの光
（３０ａ）を照射し、透過した光量を測定し、オゾンの
スペクトル吸収特性によってオゾン濃度を測定するオゾ
ン濃度測定方法において、 前記光（３０ａ）を光ファイバ（２０、２２、３２、３
３）を経由して前記基準水中とオゾン水中に導くように
したことを特徴とするオゾン濃度測定方法。(1) Standard water and ozone water are irradiated with light (30a) from a light source (30) having a spectrum matching the absorption spectrum of ozone, the amount of transmitted light is measured, and the ozone concentration is determined based on the spectral absorption characteristics of ozone. In the method for measuring ozone concentration, the light (30a) is transmitted through optical fibers (20, 22, 32, 3
3) A method for measuring ozone concentration, characterized in that the ozone is introduced into the reference water and the ozone water via step 3).
ルに適合するスペクトルを有する光源（３０）からの光
を照射し、透過した光量を測定し、オゾンのスペクトル
吸収特性によってオゾン濃度を測定するオゾン濃度測定
装置において、 前記光源（３０）からの光（３０ａ）を受光する光学系
（３１）と、前記光学系（３１）に設けられた基準水用
入射光ファイバ（３２）及びオゾン水用入射光ファイバ
（３３）と、前記基準水用入射光ファイバ（３２）に接
続され基準水容器（６）内に設けられた第１検出部（２
１）と、前記第１検出部（２１）に接続された基準水用
透過光ファイバ（２０）と、前記オゾン水用入射光ファ
イバ（３３）に接続されオゾン水容器（７）内に設けら
れた第２検出部（２３）と、前記第２検出部（２３）に
接続されたオゾン水用透過光ファイバ（２２）と、前記
各透過光ファイバ（２０、２２）からの透過光を光電変
換した電気信号を処理するための信号処理部（１４）と
を備えたことを特徴とするオゾン濃度測定装置。(2) Irradiate the reference water and ozone water with light from a light source (30) having a spectrum matching the absorption spectrum of ozone, measure the amount of transmitted light, and measure the ozone concentration based on the spectral absorption characteristics of ozone. The ozone concentration measuring device includes an optical system (31) that receives light (30a) from the light source (30), an input optical fiber (32) for reference water provided in the optical system (31), and an input optical fiber (32) for ozone water. An input optical fiber (33) and a first detection section (2) connected to the reference water input optical fiber (32) and provided in the reference water container (6).
1), a transmission optical fiber for reference water (20) connected to the first detection section (21), and an incident optical fiber for ozone water (33) connected to the ozone water container (7). a second detection unit (23), an ozonated water transmission optical fiber (22) connected to the second detection unit (23), and photoelectric conversion of transmitted light from each of the transmission optical fibers (20, 22). 1. An ozone concentration measuring device comprising: a signal processing section (14) for processing an electrical signal generated by the ozone concentration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11869990A JPH0415543A (en) | 1990-05-10 | 1990-05-10 | Ozone concentration measurement method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11869990A JPH0415543A (en) | 1990-05-10 | 1990-05-10 | Ozone concentration measurement method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415543A true JPH0415543A (en) | 1992-01-20 |
Family
ID=14742960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11869990A Pending JPH0415543A (en) | 1990-05-10 | 1990-05-10 | Ozone concentration measurement method and device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415543A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658878A (en) * | 1992-08-05 | 1994-03-04 | Japan Energy Corp | Liquid property determination sensor and liquid property determination method |
| JPH06167449A (en) * | 1992-11-30 | 1994-06-14 | General Signal Japan Kk | Method and equipment for controlling concentration |
| JPH0829345A (en) * | 1993-12-22 | 1996-02-02 | Shinetsu Quartz Prod Co Ltd | Measuring device that guides a light beam through a liquid medium |
| WO2008001833A1 (en) | 2006-06-29 | 2008-01-03 | Sakura Color Products Corporation | Ink composition for detecting dissolved ozone and method of detecting dissolved ozone |
| WO2013073524A1 (en) * | 2011-11-15 | 2013-05-23 | オリンパス株式会社 | Optical sensor |
| JP2016080628A (en) * | 2014-10-21 | 2016-05-16 | 住友電気工業株式会社 | probe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53105287A (en) * | 1977-02-25 | 1978-09-13 | Mitsubishi Electric Corp | Ozone densitometer |
| JPS61241638A (en) * | 1985-04-19 | 1986-10-27 | Daiwa Shoji Kk | Detection of reference light of optical densitometer |
| JPS63218842A (en) * | 1987-03-06 | 1988-09-12 | Sasakura Eng Co Ltd | Method and apparatus for measuring concentration of ozone |
-
1990
- 1990-05-10 JP JP11869990A patent/JPH0415543A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53105287A (en) * | 1977-02-25 | 1978-09-13 | Mitsubishi Electric Corp | Ozone densitometer |
| JPS61241638A (en) * | 1985-04-19 | 1986-10-27 | Daiwa Shoji Kk | Detection of reference light of optical densitometer |
| JPS63218842A (en) * | 1987-03-06 | 1988-09-12 | Sasakura Eng Co Ltd | Method and apparatus for measuring concentration of ozone |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658878A (en) * | 1992-08-05 | 1994-03-04 | Japan Energy Corp | Liquid property determination sensor and liquid property determination method |
| JPH06167449A (en) * | 1992-11-30 | 1994-06-14 | General Signal Japan Kk | Method and equipment for controlling concentration |
| JPH0829345A (en) * | 1993-12-22 | 1996-02-02 | Shinetsu Quartz Prod Co Ltd | Measuring device that guides a light beam through a liquid medium |
| WO2008001833A1 (en) | 2006-06-29 | 2008-01-03 | Sakura Color Products Corporation | Ink composition for detecting dissolved ozone and method of detecting dissolved ozone |
| WO2013073524A1 (en) * | 2011-11-15 | 2013-05-23 | オリンパス株式会社 | Optical sensor |
| JP2013104812A (en) * | 2011-11-15 | 2013-05-30 | Olympus Corp | Optical sensor |
| US9267788B2 (en) | 2011-11-15 | 2016-02-23 | Olympus Corporation | Optical sensor having light guide members with characteristic detection portions whose optical charateristics vary in accordance with a physicochemical state |
| JP2016080628A (en) * | 2014-10-21 | 2016-05-16 | 住友電気工業株式会社 | probe |
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