JPS5536735A - Oxygen concentration measuring instrument - Google Patents
Oxygen concentration measuring instrumentInfo
- Publication number
- JPS5536735A JPS5536735A JP10946978A JP10946978A JPS5536735A JP S5536735 A JPS5536735 A JP S5536735A JP 10946978 A JP10946978 A JP 10946978A JP 10946978 A JP10946978 A JP 10946978A JP S5536735 A JPS5536735 A JP S5536735A
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- oxygen
- closed
- circuit
- composite resistance
- 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)
Abstract
PURPOSE: To enable measurement of exygen concentrations in gaseous and liquid phases by a simple switching operation by forming a switching circuit by a diaphragm electrode mounted with a negative temperature resistor and a plurality of different resistance circuits.
CONSTITUTION: An oxygen concentration measuring instrument consists of an oxygen electrode unit 1 and an instrument unit 2 having an amplifier 3 including two or more different composite resistance circuits. The alteration of the oxygen transmission coefficient by temperature is automatically compensated by the amplifier 3 to thus measure oxygens in gaseous and liquid phases by the same instrument. A changeover switch S is closed at its contact a at air oxygen measuring time and the temperature variation is automatically compensated by a composite resistance ZA circuit in the closed loop of the amplifier 3. The change-over switch is closed at its contact b at liquid oxygen measuring time to automatically compensate the temperature variation in the composite resistance ZW and/or RW circuit in the closed loop of the amplifier 3.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10946978A JPS5536735A (en) | 1978-09-06 | 1978-09-06 | Oxygen concentration measuring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10946978A JPS5536735A (en) | 1978-09-06 | 1978-09-06 | Oxygen concentration measuring instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5536735A true JPS5536735A (en) | 1980-03-14 |
Family
ID=14511013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10946978A Pending JPS5536735A (en) | 1978-09-06 | 1978-09-06 | Oxygen concentration measuring instrument |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5536735A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61210907A (en) * | 1985-03-15 | 1986-09-19 | Mitsubishi Metal Corp | Tilting sensor |
US4915141A (en) * | 1987-09-25 | 1990-04-10 | Nissan Motor Co., Ltd. | Auxiliary nozzle for air jet loom |
JP2008198398A (en) * | 2007-02-08 | 2008-08-28 | Sony Corp | Backlight device and display device |
-
1978
- 1978-09-06 JP JP10946978A patent/JPS5536735A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61210907A (en) * | 1985-03-15 | 1986-09-19 | Mitsubishi Metal Corp | Tilting sensor |
JPH0418251B2 (en) * | 1985-03-15 | 1992-03-27 | Mitsubishi Materials Corp | |
US4915141A (en) * | 1987-09-25 | 1990-04-10 | Nissan Motor Co., Ltd. | Auxiliary nozzle for air jet loom |
JP2008198398A (en) * | 2007-02-08 | 2008-08-28 | Sony Corp | Backlight device and display device |
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