JPH01148855U

JPH01148855U -

Info

Publication number: JPH01148855U
Application number: JP4506988U
Authority: JP
Priority date: 1988-04-01
Filing date: 1988-04-01
Publication date: 1989-10-16

Description

[Brief explanation of the drawing]

第１図乃至第３図は本考案の第１実施例を示し
、第１図Ａは複合電極の一部縦断面図、同図Ｂは
複合電極の要部縦断面図、同図Ｃは支持管の横断
面図、第２図Ａは複合電極の要部断面斜視図、同
図Ｂは動作説明のための要部縦断面図、第３図は
イオン濃度測定装置の概略構成図である。第４図
は第２実施例に係る複合電極の一部縦断面図であ
る。第５図は第３実施例に係る複合電極の一部縦
断面図である。第６図は第４実施例に係る複合電
極の一部縦断面図である。第７図は第５実施例に
係る複合電極の一部縦断面図である。第８図及び
第９図はそれぞれ従来技術を説明するためのイオ
ン濃度測定装置の概略構成図である。１……複合電極、２……支持管、３Ａ，３Ｂ，
３Ｃ……イオン応答膜部分、４……比較電極液絡
部、１４……外筒、１５……シール部。 1 to 3 show a first embodiment of the present invention, FIG. 1A is a partial vertical sectional view of a composite electrode, FIG. 1B is a longitudinal sectional view of the main part of the composite electrode, and FIG. 1C is a support FIG. 2A is a cross-sectional view of the main part of the composite electrode, FIG. 2B is a vertical cross-sectional view of the main part for explaining operation, and FIG. FIG. 4 is a partial longitudinal sectional view of a composite electrode according to a second embodiment. FIG. 5 is a partial longitudinal sectional view of a composite electrode according to a third embodiment. FIG. 6 is a partial vertical cross-sectional view of a composite electrode according to a fourth embodiment. FIG. 7 is a partial longitudinal sectional view of a composite electrode according to a fifth embodiment. FIGS. 8 and 9 are schematic configuration diagrams of an ion concentration measuring device for explaining the prior art, respectively. 1...Composite electrode, 2...Support tube, 3A, 3B,
3C...Ion responsive membrane portion, 4...Reference electrode liquid junction, 14...Outer cylinder, 15...Seal portion.

Claims

[Scope of utility model registration request]

In an ion concentration measuring device having a composite electrode in which an ion-responsive membrane portion and a reference electrode liquid junction are formed in one support tube, a plurality of ion-responsive membrane portions are placed on the surface of the support tube at appropriate intervals in the vertical direction. An ion concentration measuring device characterized in that an outer cylinder is provided on the outside of the support tube and is movable up and down and is provided with a seal portion that comes into close contact with the surface of the support tube.