JPS59108265U - Measuring device for pH etc. or similar device - Google Patents

Measuring device for pH etc. or similar device

Info

Publication number
JPS59108265U
JPS59108265U JP112883U JP112883U JPS59108265U JP S59108265 U JPS59108265 U JP S59108265U JP 112883 U JP112883 U JP 112883U JP 112883 U JP112883 U JP 112883U JP S59108265 U JPS59108265 U JP S59108265U
Authority
JP
Japan
Prior art keywords
measuring
voltage
transmitter
interposed
electrode
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
Application number
JP112883U
Other languages
Japanese (ja)
Inventor
誠 斎藤
Original Assignee
電気化学計器株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 電気化学計器株式会社 filed Critical 電気化学計器株式会社
Priority to JP112883U priority Critical patent/JPS59108265U/en
Publication of JPS59108265U publication Critical patent/JPS59108265U/en
Pending legal-status Critical Current

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  • Arrangements For Transmission Of Measured Signals (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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来装置を示す図、第２図は本考案の一実施例
を示す図で、Ｔ及びＴ′：送信部、Ｒ：受信部、Ｌ二線
式伝送線路、Ｄｌ及びＤ２：ダイオード、ＴＲ１及びＴ
Ｒ２：）ランジスタ、Ｑ：増幅回路、Ｂ：ダイオードブ
リッジである。Fig. 1 is a diagram showing a conventional device, and Fig. 2 is a diagram showing an embodiment of the present invention, where T and T': transmitter, R: receiver, L two-wire transmission line, Dl and D2: diode. , TR1 and T
R2: ) transistor, Q: amplifier circuit, B: diode bridge.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ｐＨ等の測定電極、この電極の検出信号の増幅回路、そ
の増幅出力電圧に応じて線路電流を制御する電圧電流変
換回路及び定電圧発生回路等より成る送信部と、指示又
は記録計及び直流電源等より成る受信部と、前記送信部
及び受信部間に介在して直流電圧の印加及び測定信号の
伝送に兼用される二線式伝送線路とを備えると共に、前
記二線式伝送線路と前記送信部の線路接続端子間にダイ
オードブリッジを介在せしめたことを特徴とするｐＨ等
の測定装置又はその類似装置。A transmitting section consisting of an electrode for measuring pH, etc., an amplification circuit for the detection signal of this electrode, a voltage-current conversion circuit and a constant voltage generation circuit for controlling the line current according to the amplified output voltage, an indicator or recorder, and a DC power supply. and a two-wire transmission line that is interposed between the transmitter and the receiver and is used for both application of DC voltage and transmission of measurement signals, and the two-wire transmission line and the transmitter. A device for measuring pH, etc., or a similar device thereof, characterized in that a diode bridge is interposed between the line connection terminals of the parts.
JP112883U 1983-01-07 1983-01-07 Measuring device for pH etc. or similar device Pending JPS59108265U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP112883U JPS59108265U (en) 1983-01-07 1983-01-07 Measuring device for pH etc. or similar device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP112883U JPS59108265U (en) 1983-01-07 1983-01-07 Measuring device for pH etc. or similar device

Publications (1)

Publication Number Publication Date
JPS59108265U true JPS59108265U (en) 1984-07-21

Family

ID=30132860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP112883U Pending JPS59108265U (en) 1983-01-07 1983-01-07 Measuring device for pH etc. or similar device

Country Status (1)

Country Link
JP (1) JPS59108265U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002181775A (en) * 2000-12-13 2002-06-26 Horiba Ltd Multi-channel isfet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002181775A (en) * 2000-12-13 2002-06-26 Horiba Ltd Multi-channel isfet

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