FR2215620B1 - - Google Patents

Info

Publication number
FR2215620B1
FR2215620B1 FR7402738A FR7402738A FR2215620B1 FR 2215620 B1 FR2215620 B1 FR 2215620B1 FR 7402738 A FR7402738 A FR 7402738A FR 7402738 A FR7402738 A FR 7402738A FR 2215620 B1 FR2215620 B1 FR 2215620B1
Authority
FR
France
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.)
Expired - Lifetime
Application number
FR7402738A
Other languages
French (fr)
Other versions
FR2215620A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
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
Priority claimed from JP1273973U external-priority patent/JPS5339517Y2/ja
Priority claimed from JP1176873A external-priority patent/JPS49101097A/ja
Priority claimed from JP2591473A external-priority patent/JPS49115390A/ja
Priority claimed from JP2591373A external-priority patent/JPS5329118B2/ja
Priority claimed from JP2780773A external-priority patent/JPS5325517B2/ja
Priority claimed from JP2780973A external-priority patent/JPS5325519B2/ja
Priority claimed from JP2780873A external-priority patent/JPS5325518B2/ja
Priority claimed from JP3436873A external-priority patent/JPS5340479B2/ja
Application filed by Meidensha Corp, Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Corp
Publication of FR2215620A1 publication Critical patent/FR2215620A1/fr
Publication of FR2215620B1 publication Critical patent/FR2215620B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices
    • G01N2001/1445—Overpressure, pressurisation at sampling point
    • G01N2001/1463—Injector; Air-lift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR7402738A 1973-01-29 1974-01-28 Expired - Lifetime FR2215620B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP1273973U JPS5339517Y2 (en) 1973-01-29 1973-01-29
JP1176873A JPS49101097A (en) 1973-01-29 1973-01-29
JP2591373A JPS5329118B2 (en) 1973-03-05 1973-03-05
JP2591473A JPS49115390A (en) 1973-03-05 1973-03-05
JP2780973A JPS5325519B2 (en) 1973-03-09 1973-03-09
JP2780773A JPS5325517B2 (en) 1973-03-09 1973-03-09
JP2780873A JPS5325518B2 (en) 1973-03-09 1973-03-09
JP3436873A JPS5340479B2 (en) 1973-03-26 1973-03-26

Publications (2)

Publication Number Publication Date
FR2215620A1 FR2215620A1 (en) 1974-08-23
FR2215620B1 true FR2215620B1 (en) 1978-03-31

Family

ID=27571704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402738A Expired - Lifetime FR2215620B1 (en) 1973-01-29 1974-01-28

Country Status (3)

Country Link
DE (1) DE2462281A1 (en)
FR (1) FR2215620B1 (en)
GB (1) GB1462684A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4713772A (en) * 1985-11-18 1987-12-15 Westinghouse Electric Corp. Automatic on-line chemistry monitoring system having improved calibration unit
DE3741454C2 (en) * 1987-12-08 1995-11-02 Draegerwerk Ag Calibration valve for gas sensors
GB2269674B (en) * 1992-08-13 1995-10-11 Lawrence Alexander Campbell Electrochemical membrane sensor
CN110672371B (en) * 2019-11-02 2022-06-28 浙江华圭环境检测有限公司 Unmanned aerial vehicle environment detecting device
CN111855584B (en) * 2020-07-30 2023-07-11 剑科云智(深圳)科技有限公司 Sensor system for measuring waste water
CN113514364B (en) * 2021-05-28 2022-11-25 浙江致远环境科技股份有限公司 Real-time detection device for monitoring sewage concentration of sewage pipeline
CN118225996B (en) * 2024-05-24 2024-08-02 江西省水产科学研究所(江西省鄱阳湖渔业研究中心、江西省渔业资源生态环境监测中心) Water quality detection device for raising soft-shelled turtles in paddy field

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL299204A (en) * 1962-10-13
DE1598819A1 (en) * 1966-10-10 1971-01-07 Mez Dipl Ing Erich Rudolf Oswa Device to ensure an optimal, constant flow speed on measuring electrodes while at the same time keeping them automatically clean

Also Published As

Publication number Publication date
DE2462281A1 (en) 1976-09-30
GB1462684A (en) 1977-01-26
DE2404190A1 (en) 1974-08-22
DE2404190B2 (en) 1977-06-02
DE2462281B2 (en) 1979-08-16
FR2215620A1 (en) 1974-08-23
DE2462281C3 (en) 1980-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse