JPH10213562A - Ph, orp, and water temperature measuring electrode - Google Patents
Ph, orp, and water temperature measuring electrodeInfo
- Publication number
- JPH10213562A JPH10213562A JP9028413A JP2841397A JPH10213562A JP H10213562 A JPH10213562 A JP H10213562A JP 9028413 A JP9028413 A JP 9028413A JP 2841397 A JP2841397 A JP 2841397A JP H10213562 A JPH10213562 A JP H10213562A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- liquid
- measuring
- orp
- measurement
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はＰＨ、ＯＲＰ、水温
等の測定電極、詳しくは一つの測定電極によって複数の
異なった測定項目の測定を行なうことができるＰＨ、Ｏ
ＲＰ、水温等の測定電極に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to measurement electrodes for measuring pH, ORP, water temperature, etc.
It relates to an electrode for measuring RP, water temperature and the like.
【０００２】[0002]
【従来の技術】従来、水のＰＨ（水素イオン濃度）、Ｏ
ＲＰ（酸化還元電位）、水温等を測定する場合は、それ
ぞれＰＨ測定電極、ＯＲＰ測定電極を計器本体に差しか
えて行なわなければならなかった。2. Description of the Related Art Conventionally, PH (hydrogen ion concentration), O
When measuring RP (oxidation-reduction potential), water temperature, etc., the measurement electrode had to be replaced with the PH measurement electrode and the ORP measurement electrode, respectively.
【０００３】また、計器本体に上記各測定電極の入力端
子を設けたものにあっては、該入力端子に各測定電極を
接続することになり、この部分が煩雑になるとともに測
定時に不便さがあることは否めない。Further, in the case where an input terminal of each of the above-mentioned measuring electrodes is provided on the instrument main body, each of the measuring electrodes is connected to the input terminal, so that this part becomes complicated and inconvenience during measurement is reduced. There is no denying that there is.
【０００４】そこで、上述のような不便さを解決するた
めに、電極支持筒の内部に温度測定素子、ＯＲＰ測定電
極、ＰＨ測定電極、比較電極、液絡部を別個に配置した
一本の測定電極が考えられ、この測定電極によってＰ
Ｈ、ＯＲＰ、水温等の測定が可能になる。しかしなが
ら、上記測定電極は直径が太くならざるを得ず、微量の
ＰＨ、ＯＲＰ、水温等を測定するためには不便であると
ともに、また、携行性もよくない。Therefore, in order to solve the above-mentioned inconvenience, a single measuring device in which a temperature measuring element, an ORP measuring electrode, a PH measuring electrode, a reference electrode, and a liquid junction are separately arranged inside an electrode support tube is provided. An electrode is considered and this measuring electrode
Measurement of H, ORP, water temperature, etc. becomes possible. However, the measurement electrode has to be large in diameter, which is inconvenient for measuring a small amount of PH, ORP, water temperature, and the like, and is not portable.
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記問題点を
解決し、特に一つの測定電極によって異なる複数の測定
項目を成しえることができるとともに、携行性にも優れ
たＰＨ、ＯＲＰ、水温等の測定電極を提案することをそ
の課題とする。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and in particular, can measure a plurality of different measurement items with a single measurement electrode, and has excellent portability, such as PH, ORP, and water temperature. It is an object of the present invention to propose such a measuring electrode.
【０００６】[0006]
【課題を解決するための手段】前記課題を解決するため
の手段として、本発明に係るＰＨ、ＯＲＰ、水温等の測
定電極は、内部に温度測定素子とＯＲＰ測定電極とが納
められた有底の第一の絶縁保護管と、内部にＰＨ測定電
極用内部電極と封じ液とが納められた有底の第二の絶縁
保護管と、比較電極と、液絡部とを電極支持筒の内部に
収納するとともに、上記ＯＲＰ測定電極の一部は上記第
一の絶縁保護管の底部から突出して被測定液に接触可能
に設けられ、また、上記第二の絶縁保護管の底部にはＰ
Ｈ測定膜が被測定液に接触可能に設けられる一方、上記
比較電極は上記電極支持筒の内部に封入されている内部
液内に位置され、上記液絡部は浸透性を有し且つその一
端は上記内部液に触れ、他端は上記被測定液に触れるよ
うに配設されていることを特徴とする。As a means for solving the above problems, a measuring electrode for measuring pH, ORP, water temperature and the like according to the present invention has a bottom having a temperature measuring element and an ORP measuring electrode housed therein. A first insulating protection tube, a second bottomed insulating protection tube containing an internal electrode for a PH measurement electrode and a sealing liquid, a reference electrode, and a liquid junction inside the electrode support tube. And a part of the ORP measurement electrode is provided so as to protrude from the bottom of the first insulating protection tube so as to be in contact with the liquid to be measured.
The H measurement film is provided so as to be in contact with the liquid to be measured, the reference electrode is located in an internal liquid sealed inside the electrode support tube, and the liquid junction has permeability and one end thereof. Is disposed so as to contact the internal liquid and the other end to contact the liquid to be measured.
【０００７】[0007]
【発明の実施の形態】以下、図面によって本発明の実施
の形態の一例について説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.
【０００８】図１において、符号１は本発明に係るＰ
Ｈ、ＯＲＰ、水温等の測定電極を示し、この測定電極１
は電極支持筒２の内部に温度測定素子３とＯＲＰ測定電
極４とＰＨ測定電極用内部電極５と比較電極６と液絡部
７等とが収納され構成されている。In FIG. 1, reference numeral 1 denotes a P according to the present invention.
H, ORP, water temperature, etc. are shown.
In the figure, a temperature measuring element 3, an ORP measuring electrode 4, an internal electrode 5 for a PH measuring electrode, a comparative electrode 6, a liquid junction 7 and the like are housed inside an electrode support cylinder 2.
【０００９】電極支持筒２はプラスチックスによって円
筒状に形成されるとともに、その上下部にはゴムによっ
て形成された絶縁部材１０、１１が取付けられている。
また、上記電極支持筒２の上部付近の側面には電極支持
筒２内に備えられた内部液１２を補充するための補充孔
１３が形成され、且つ該補充孔１３には栓１４が着脱自
在に設けられている。上記内部液１２としては飽和塩化
カリウムが使用されている。The electrode support cylinder 2 is formed in a cylindrical shape by plastics, and insulating members 10 and 11 made of rubber are attached to upper and lower portions thereof.
A replenishing hole 13 for replenishing the internal liquid 12 provided in the electrode support tube 2 is formed on a side surface near the upper portion of the electrode support tube 2, and a plug 14 is detachably attached to the replenishment hole 13. It is provided in. As the internal liquid 12, saturated potassium chloride is used.
【００１０】なお、上記絶縁部材１０、１１はゴムに限
るものではなく、例えばプラスチックスによって形成し
てもよい。The insulating members 10 and 11 are not limited to rubber, but may be formed of, for example, plastics.
【００１１】温度測定素子３とＯＲＰ測定電極４とが納
められた有底の第一の絶縁保護管１６は硝子によって形
成されるとともに、上部は電極支持筒２の上部に嵌合さ
れている絶縁部材１０から露出され、底部は上記電極支
持筒２の下部に取付けられている絶縁部材１１から突出
されている。また、上記ＯＲＰ測定電極４は一部が上記
第一の絶縁保護管１６の底部から突出され、被測定液
（図示せず）に接触可能に設けられている。符号１７は
温度測定素子３の引出線、１８はＯＲＰ測定電極４の引
出線を示し、これら引出線１７、１８の先端は上記第一
の絶縁保護管１６の上部から突出されてケ−ブル（図示
せず）と接続されている。The bottomed first insulating protection tube 16 containing the temperature measuring element 3 and the ORP measuring electrode 4 is formed of glass, and the upper portion is an insulating tube fitted to the upper portion of the electrode support tube 2. The bottom is exposed from the member 10 and protrudes from the insulating member 11 attached to the lower part of the electrode support tube 2. The ORP measurement electrode 4 partially projects from the bottom of the first insulating protection tube 16 and is provided so as to be able to come into contact with the liquid to be measured (not shown). Reference numeral 17 denotes an outgoing line of the temperature measuring element 3, and 18 denotes an outgoing line of the ORP measuring electrode 4. The ends of the outgoing lines 17 and 18 protrude from the upper part of the first insulating protective tube 16 and are connected to a cable ( (Not shown).
【００１２】なお、上記第一の絶縁保護管１６は硝子に
限るものではなく、例えばプラスチックスによって形成
してもよい。The first insulating protective tube 16 is not limited to glass, but may be formed of, for example, plastics.
【００１３】次に、内部にＰＨ測定電極用内部電極５と
封じ液２０とが納められた有底の第二の絶縁保護管２１
は硝子によって形成されるとともに、上部は電極支持筒
２の上部に取付けられている絶縁部材１０から露出さ
れ、底部は上記電極支持筒２の下部に取付けられている
絶縁部材１１から突出されている。また、上記第二の絶
縁保護管２１の内部に備えられた封じ液２０には上記Ｐ
Ｈ測定電極用内部電極５が浸るように配置されている。
さらに、上記第二の絶縁保護管２１の底部及びその付近
にはＰＨ測定膜２３が設けられている。符号２４は上記
ＰＨ測定電極用内部電極５の引出線を示し、該引出線２
４の先端は上記第二の絶縁保護管２１の上部から突出さ
れてケ−ブル（図示せず）と接続されている。Next, a bottomed second insulating protective tube 21 in which the PH measuring electrode internal electrode 5 and the sealing liquid 20 are contained.
Is formed of glass, the upper part is exposed from an insulating member 10 attached to the upper part of the electrode support tube 2, and the bottom part protrudes from the insulating member 11 attached to the lower part of the electrode support tube 2. . The sealing liquid 20 provided inside the second insulating protection tube 21 contains the P
The H measuring electrode internal electrode 5 is arranged so as to be immersed.
Further, a PH measurement film 23 is provided at and near the bottom of the second insulating protection tube 21. Reference numeral 24 indicates a lead wire of the internal electrode 5 for the PH measurement electrode.
The tip of 4 protrudes from the upper part of the second insulating protection tube 21 and is connected to a cable (not shown).
【００１４】なお、第二の絶縁保護管２１と上記第一の
絶縁保護管１６とは並設状態に配されている。The second insulating protection tube 21 and the first insulating protection tube 16 are arranged side by side.
【００１５】比較電極６は電極支持筒２の内部下方に配
置され、且つ該電極支持筒２内に備えられている内部液
１２に浸っている。また、上記比較電極６はＰＨ測定及
びＯＲＰ測定に共通して使用することができるように設
けられている。符号２６は上記比較電極６の引出線を示
し、該引出線２６は比較電極６と同材質で先端は上記電
極支持筒２の上部に嵌合されている絶縁部材１０から突
出されてケ−ブル（図示せず）と接続されている。The reference electrode 6 is disposed below the inside of the electrode support tube 2 and is immersed in the internal liquid 12 provided in the electrode support tube 2. The comparison electrode 6 is provided so as to be commonly used for PH measurement and ORP measurement. Reference numeral 26 indicates a lead wire of the comparison electrode 6. The lead wire 26 is made of the same material as the reference electrode 6, and its tip protrudes from the insulating member 10 fitted on the upper part of the electrode support tube 2 and is a cable. (Not shown).
【００１６】液絡部７は浸透性を有する多孔質セラミッ
ク等によって形成されるとともに、電極支持筒２の下部
に設けられている絶縁部材１１に取付けられている。そ
して、上記液絡部７の両端は上記絶縁部材１１の上下面
から突出され、且つ上端は上記電極支持筒２内に備えら
れた内部液１２に触れるように設けられ、下端は被測定
液（図示せず）に接触可能に設けられている。The liquid junction 7 is formed of a porous ceramic or the like having permeability, and is attached to an insulating member 11 provided below the electrode support cylinder 2. Both ends of the liquid junction 7 project from the upper and lower surfaces of the insulating member 11, and the upper end is provided so as to be in contact with the internal liquid 12 provided in the electrode support tube 2, and the lower end is provided with the liquid to be measured ( (Not shown).
【００１７】なお、上記液絡部７は多孔質セラミックに
限るものではなく、例えば多孔質樹脂によって形成して
もよい。The liquid junction 7 is not limited to a porous ceramic, but may be made of, for example, a porous resin.
【００１８】上記構成のＰＨ、ＯＲＰ、水温等の測定電
極１は図２に示すように計器本体３０に接続して使用す
るとともに、上記測定電極１の先端を被測定液（図示せ
ず）内に没入することで所定の測定を行なうことができ
る。この場合、上記被測定液のＰＨ、ＯＲＰ、水温の測
定は測定電極１を交換しないで上記計器本体３０に設け
られた測定モ−ド部３１のモ−ドを切り替えるだけで行
なうことができる。As shown in FIG. 2, the measuring electrode 1 for measuring pH, ORP, water temperature, etc. is used by connecting it to the main body 30 of the instrument, and the tip of the measuring electrode 1 is connected to a liquid to be measured (not shown). A predetermined measurement can be performed by immersion in. In this case, the measurement of the pH, ORP, and water temperature of the liquid to be measured can be performed only by switching the mode of the measurement mode section 31 provided in the instrument main body 30 without replacing the measurement electrode 1.
【００１９】上述のようにＰＨ、ＯＲＰ、水温等の測定
電極１によれば、測定モ−ド部３１のモ−ドを切り替え
ることで一つの測定電極によって複数の異なった測定項
目の測定を行なうことができるので大変に便利であるの
に加え、経済的である。また、測定項目によってそのつ
ど計器本体３０に測定電極１を差しかえるという従来の
ような不便さを解決することができる。さらに、交換用
の余分な測定電極を必要としないので携行性にも優れ
る。As described above, according to the measurement electrodes 1 for measuring PH, ORP, water temperature, etc., a plurality of different measurement items are measured by one measurement electrode by switching the mode of the measurement mode section 31. It is very convenient because it can be done, and it is economical. Further, it is possible to solve the inconvenience of the related art in which the measuring electrode 1 is replaced with the meter body 30 each time depending on the measurement item. Further, since no extra measuring electrode for replacement is required, portability is excellent.
【００２０】[0020]
【発明の効果】前記構成のように、本発明に係るＰＨ、
ＯＲＰ、水温等の測定電極によれば、一つの測定電極に
よって被測定液のＰＨ、ＯＲＰ、水温等の測定を行なう
ことができるので、実利性に優れるとともに経済的であ
る。また、小型化が計れ携行性にも優れている。As described above, the PH according to the present invention,
According to the measurement electrodes for the ORP, water temperature, etc., the pH, ORP, water temperature, etc. of the liquid to be measured can be measured with one measurement electrode, so that it is excellent in practicality and economical. In addition, the size is reduced and the portability is excellent.
【図１】本発明に係るＰＨ、ＯＲＰ、水温等の測定電極
の内部構造を示す縦断面図FIG. 1 is a longitudinal sectional view showing the internal structure of a measurement electrode for measuring pH, ORP, water temperature, etc. according to the present invention.
【図２】上記測定電極を計器本体に取付けた状態の説明
図FIG. 2 is an explanatory view of a state in which the measurement electrode is attached to a main body of the instrument.
１ 測定電極 ２ 電極支持筒 ３ 温度測定素子 ４ ＯＲＰ電極 ５ ＰＨ測定電極用内部電極 ６ 比較電極 ７ 液絡部 １６ 第一の絶縁保護管 ２０ 封じ液 ２１ 第二の絶縁保護管 DESCRIPTION OF SYMBOLS 1 Measuring electrode 2 Electrode support cylinder 3 Temperature measuring element 4 ORP electrode 5 Internal electrode for PH measuring electrode 6 Reference electrode 7 Liquid junction 16 First insulating protective tube 20 Sealing liquid 21 Second insulating protective tube
Claims (1)
が納められた有底の第一の絶縁保護管と、内部にＰＨ測
定電極用内部電極と封じ液とが納められた有底の第二の
絶縁保護管と、比較電極と、液絡部とを電極支持筒の内
部に収納するとともに、上記ＯＲＰ測定電極の一部は上
記第一の絶縁保護管の底部から突出して被測定液に接触
可能に設けられ、また、上記第二の絶縁保護管の底部に
はＰＨ測定膜が被測定液に接触可能に設けられる一方、
上記比較電極は上記電極支持筒の内部に封入されている
内部液内に配置され、上記液絡部は浸透性を有し且つそ
の一端は上記内部液に触れ、他端は上記被測定液に触れ
るように配設されていることを特徴とするＰＨ、ＯＲ
Ｐ、水温等の測定電極。1. A bottomed first insulating protective tube in which a temperature measuring element and an ORP measuring electrode are contained, and a bottomed first insulating tube in which a PH measuring electrode internal electrode and a sealing liquid are contained. The second insulating protection tube, the reference electrode, and the liquid junction are housed inside the electrode support tube, and a part of the ORP measurement electrode protrudes from the bottom of the first insulating protection tube and is connected to the liquid to be measured. A PH measurement film is provided so as to be capable of contacting with the liquid to be measured at the bottom of the second insulating protection tube,
The comparison electrode is disposed in an internal liquid sealed inside the electrode support cylinder, the liquid junction has permeability, and one end thereof is in contact with the internal liquid, and the other end is in contact with the liquid to be measured. PH, OR characterized by being arranged to touch
Measurement electrode for P, water temperature, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02841397A JP3169173B2 (en) | 1997-01-28 | 1997-01-28 | Measurement electrode for PH, ORP, water temperature, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP02841397A JP3169173B2 (en) | 1997-01-28 | 1997-01-28 | Measurement electrode for PH, ORP, water temperature, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10213562A true JPH10213562A (en) | 1998-08-11 |
| JP3169173B2 JP3169173B2 (en) | 2001-05-21 |
Family
ID=12247975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP02841397A Expired - Lifetime JP3169173B2 (en) | 1997-01-28 | 1997-01-28 | Measurement electrode for PH, ORP, water temperature, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3169173B2 (en) |
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-
1997
- 1997-01-28 JP JP02841397A patent/JP3169173B2/en not_active Expired - Lifetime
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| US9194789B2 (en) | 2008-05-02 | 2015-11-24 | Nalco Company | Method of monitoring corrosion potential of engineering alloys in aqueous systems |
| WO2009135121A1 (en) * | 2008-05-02 | 2009-11-05 | Nalco Company | High temperature and pressure oxidation-reduction potential measuring and monitoring device for hot water systems |
| WO2014130247A1 (en) * | 2013-02-21 | 2014-08-28 | Nalco Company | Systems and methods for monitoring and controlling in hot water systems |
| CN104515794A (en) * | 2015-01-06 | 2015-04-15 | 上海今见电子科技有限公司 | PH/ORP (Potential of Hydrogen/Oxidation-Reduction Potential) sensor |
| CN104515794B (en) * | 2015-01-06 | 2017-10-24 | 上海今见电子科技有限公司 | PH/ORP sensors |
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| JP3169173B2 (en) | 2001-05-21 |
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