JPH0263450U - - Google Patents
Info
- Publication number
- JPH0263450U JPH0263450U JP14357188U JP14357188U JPH0263450U JP H0263450 U JPH0263450 U JP H0263450U JP 14357188 U JP14357188 U JP 14357188U JP 14357188 U JP14357188 U JP 14357188U JP H0263450 U JPH0263450 U JP H0263450U
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- internal liquid
- electrode
- remaining amount
- measured
- 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
- 239000007788 liquid Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002847 impedance measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は本考案実施例装置を示す回路図、第２
図は本考案実施例装置の動作を説明するタイミン
グ・チヤートである。
ＴＲ…発信器、ＭＯＮ…計器室、ＣＡＢ…ケー
ブル、１…被測定液が入れられた容器、２…被測
定液、３…ガラス電極、４…比較電極、５…内部
液、６…内部極、７…液絡部、８…内部液補充容
器、９…管路、１０…導電率センサ、１１…補助
電極、１２…交流電圧信号源、１３…スイツチ制
御回路、１４…演算増幅器、１５…電圧・電流変
換器、１６…サンプル・ホールド回路、１７…警
報回路、ＭＥＳ１〜ＭＥＳ４…測定時オンとされ
るスイツチ、ＩＭＰ４…インピーダンス測定時オ
ンとされるスイツチ、ＩＭＰ１〜ＩＭＰ３…イン
ピーダンス測定時、順次オンとされるスイツチ、
ＫＣＬ…スイツチＩＭＰ１と同期してオンとされ
るスイツチ、ＲＥＦ…スイツチＩＭＰ２と同期し
てオンとされるスイツチ、ＧＬＡＳＳ…スイツチ
ＩＭＰ３と同期してオンとされるスイツチ、Ａ１
〜Ａ３…バツフア・アンプ。
Fig. 1 is a circuit diagram showing an embodiment of the present invention;
The figure is a timing chart explaining the operation of the apparatus according to the present invention. TR...Transmitter, MON...Control room, CAB...Cable, 1...Container containing the liquid to be measured, 2...Liquid to be measured, 3...Glass electrode, 4...Reference electrode, 5...Internal liquid, 6...Internal electrode , 7...Liquid junction, 8...Internal liquid replenishment container, 9...Pipe line, 10...Conductivity sensor, 11...Auxiliary electrode, 12...AC voltage signal source, 13...Switch control circuit, 14...Operation amplifier, 15... Voltage/current converter, 16... Sample/hold circuit, 17... Alarm circuit, MES 1 to MES 4 ... Switch turned on during measurement, IMP 4 ... Switch turned on during impedance measurement, IMP 1 to IMP 3 ... Switches that are turned on sequentially during impedance measurement,
KCL...Switch turned on in synchronization with switch IMP 1 , REF...Switch turned on in synchronization with switch IMP 2 , GLASS...Switch turned on in synchronization with switch IMP 3 , A1
~ A3 ...Batsuhua amp.
Claims (1)
れら電極間において被測定液のイオン濃度を測定
する装置において、前記比較電極に内部液を補充
する容器内に内部液の残量を検知する手段を設け
、この内部液の残量が一定レベル以下になつたと
き警報信号を発生させ、この信号を計器室に伝送
するようにしたことを特徴とする比較電極内部液
の残量検知機能付き測定装置。 ２ 内部液補充容器内に導電率センサを設置し、
被測定液に補助電極を浸漬し、この補助電極に非
測定期間、交流電圧を印加し、この補助電極から
前記比較電極の液絡部、及びこの比較電極内の内
部液を通じ前記導電率センサに至る回路を形成し
、前記導電率センサで検出されるインピーダンス
の変化に基づき前記内部液の残量を検知するよう
にしたことを特徴とする請求項１記載の比較電極
内部液の残量検知機能付き測定装置。[Claims for Utility Model Registration] 1. In an apparatus for immersing a reference electrode and a measuring electrode in a liquid to be measured and measuring the ion concentration of the liquid to be measured between these electrodes, a container for replenishing the reference electrode with an internal liquid is provided. A reference electrode characterized in that a means for detecting the remaining amount of internal liquid is provided, and when the remaining amount of internal liquid falls below a certain level, an alarm signal is generated and this signal is transmitted to the control room. Measuring device with a function to detect the remaining amount of internal liquid. 2 Install a conductivity sensor inside the internal liquid replenishment container,
An auxiliary electrode is immersed in the liquid to be measured, an AC voltage is applied to the auxiliary electrode during a non-measurement period, and the conductivity sensor is passed from the auxiliary electrode to the liquid junction of the comparison electrode and the internal liquid in the comparison electrode. 2. The function for detecting the remaining amount of the internal liquid of the comparison electrode according to claim 1, wherein the remaining amount of the internal liquid is detected based on a change in impedance detected by the conductivity sensor. Measuring device with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14357188U JPH0263450U (en) | 1988-11-02 | 1988-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14357188U JPH0263450U (en) | 1988-11-02 | 1988-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0263450U true JPH0263450U (en) | 1990-05-11 |
Family
ID=31410511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14357188U Pending JPH0263450U (en) | 1988-11-02 | 1988-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0263450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005331454A (en) * | 2004-05-21 | 2005-12-02 | Tanita Corp | Redox potentiometer |
| JP2022073821A (en) * | 2020-10-30 | 2022-05-17 | 株式会社イオン電極研究所 | Non-mercury type chlorine ion concentration measurement system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5841481U (en) * | 1981-09-12 | 1983-03-18 | 株式会社東芝 | storage handle device |
-
1988
- 1988-11-02 JP JP14357188U patent/JPH0263450U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5841481U (en) * | 1981-09-12 | 1983-03-18 | 株式会社東芝 | storage handle device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005331454A (en) * | 2004-05-21 | 2005-12-02 | Tanita Corp | Redox potentiometer |
| JP2022073821A (en) * | 2020-10-30 | 2022-05-17 | 株式会社イオン電極研究所 | Non-mercury type chlorine ion concentration measurement system |
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