JPH0426360U - - Google Patents
Info
- Publication number
- JPH0426360U JPH0426360U JP6736490U JP6736490U JPH0426360U JP H0426360 U JPH0426360 U JP H0426360U JP 6736490 U JP6736490 U JP 6736490U JP 6736490 U JP6736490 U JP 6736490U JP H0426360 U JPH0426360 U JP H0426360U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- comparison
- decrease
- concentration
- internal liquid
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案の拡散型比較電極の説明に供す
るブロツク系統図、第２図は本考案の説明に供す
る図、第３図は本考案のその他の実施例の説明に
供する図、第４図は従来の拡散型ｐＨセンサの構
造の概要図である。
１……容器、２……測定電極、３……比較電極
、４，４０ａ，４０ｂ，４０ｃ，４０ｄ……ジヤ
ンクシヨン、３０ａ，３０ｃ……第１比較電極、
３０ｂ，３０ｄ……第２比較電極、５０……演算
器、６０……アラーム発生器、α……比較電極出
力。
FIG. 1 is a block system diagram for explaining the diffusion type comparison electrode of the present invention, FIG. 2 is a diagram for explaining the present invention, FIG. 3 is a diagram for explaining other embodiments of the present invention, and FIG. 4 is a diagram for explaining the present invention. The figure is a schematic diagram of the structure of a conventional diffusion type pH sensor. 1... Container, 2... Measurement electrode, 3... Comparison electrode, 4, 40a, 40b, 40c, 40d... Junction, 30a, 30c... First comparison electrode,
30b, 30d...second comparison electrode, 50...computer, 60...alarm generator, α...comparison electrode output.
Claims (1)
れた内部極と内部液が充填された比較電極で構成
されたセンサにおいて、前記内部液の溶液濃度の
低下が時間的に異なるように構成された比較電極
を２本設けて、測定時に、該２本の比較電極の前
記溶液濃度の低下の差異に基づく電位差から当該
比較電極の寿命を検知する構成としたことを特徴
とする拡散型比較電極。 In a sensor composed of a measuring electrode, an internal electrode provided with a juncture at the tip, and a reference electrode filled with an internal liquid, the reference electrode is configured such that the decrease in the concentration of the internal liquid varies over time. A diffusion-type comparison electrode characterized in that two comparison electrodes are provided, and the lifespan of the two comparison electrodes is detected from a potential difference based on a difference in the decrease in the concentration of the solution between the two comparison electrodes during measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6736490U JPH0426360U (en) | 1990-06-26 | 1990-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6736490U JPH0426360U (en) | 1990-06-26 | 1990-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426360U true JPH0426360U (en) | 1992-03-02 |
Family
ID=31600873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6736490U Pending JPH0426360U (en) | 1990-06-26 | 1990-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002107324A (en) * | 2000-07-25 | 2002-04-10 | Mettler Toledo Ag | Measuring probe for potentiometry, method for monitoring of aging state of measuring probe, and usage method for the measuring probe |
| JP2009282011A (en) * | 2008-05-22 | 2009-12-03 | Korea Atom Energ Res Inst | Reference electrode having automatic calibration function, and electrochemical potential automatic correction device using it |
-
1990
- 1990-06-26 JP JP6736490U patent/JPH0426360U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002107324A (en) * | 2000-07-25 | 2002-04-10 | Mettler Toledo Ag | Measuring probe for potentiometry, method for monitoring of aging state of measuring probe, and usage method for the measuring probe |
| JP2009282011A (en) * | 2008-05-22 | 2009-12-03 | Korea Atom Energ Res Inst | Reference electrode having automatic calibration function, and electrochemical potential automatic correction device using it |
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