GB2138949B - Method to zero-set a gas sensor in a gas-fed incubator - Google Patents

Method to zero-set a gas sensor in a gas-fed incubator

Info

Publication number
GB2138949B
GB2138949B GB08410531A GB8410531A GB2138949B GB 2138949 B GB2138949 B GB 2138949B GB 08410531 A GB08410531 A GB 08410531A GB 8410531 A GB8410531 A GB 8410531A GB 2138949 B GB2138949 B GB 2138949B
Authority
GB
United Kingdom
Prior art keywords
gas
incubator
fed
zero
gas sensor
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.)
Expired
Application number
GB08410531A
Other versions
GB8410531D0 (en
GB2138949A (en
Inventor
Helmut Loscher
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.)
WC Heraus GmbH and Co KG
Original Assignee
WC Heraus GmbH and Co KG
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 WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG
Publication of GB8410531D0 publication Critical patent/GB8410531D0/en
Publication of GB2138949A publication Critical patent/GB2138949A/en
Application granted granted Critical
Publication of GB2138949B publication Critical patent/GB2138949B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
    • C12M41/34—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of gas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
    • C12M41/48—Automatic or computerized control
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Genetics & Genomics (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
GB08410531A 1983-04-26 1984-04-25 Method to zero-set a gas sensor in a gas-fed incubator Expired GB2138949B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833315085 DE3315085C2 (en) 1983-04-26 1983-04-26 Procedure for zero point control on thermal conductivity measuring cells in fumigation incubators

Publications (3)

Publication Number Publication Date
GB8410531D0 GB8410531D0 (en) 1984-05-31
GB2138949A GB2138949A (en) 1984-10-31
GB2138949B true GB2138949B (en) 1986-08-28

Family

ID=6197395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08410531A Expired GB2138949B (en) 1983-04-26 1984-04-25 Method to zero-set a gas sensor in a gas-fed incubator

Country Status (5)

Country Link
JP (1) JPS59208447A (en)
DE (1) DE3315085C2 (en)
FR (1) FR2545219A1 (en)
GB (1) GB2138949B (en)
SE (1) SE8402259L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2237880A (en) * 1989-10-24 1991-05-15 British Gas Plc Determining concentration of pollutant gas in an atmosphere
DE4143092A1 (en) * 1991-12-27 1993-07-01 Bayer Ag GAS TRACK MEASURING SYSTEM
US5623105A (en) * 1992-10-21 1997-04-22 Prolong Systems, Inc. Oxygen/carbon dioxide sensor and controller for a refrigerated controlled atmosphere shipping container
CH686055A5 (en) * 1993-10-14 1995-12-15 Apv Schweiz Ag A method for carrying out an automatic, periodic zero adjustment.
JP3325673B2 (en) * 1993-10-25 2002-09-17 アークレイ株式会社 Method for correcting component concentration in breath and breath analyzer
US5418131A (en) * 1994-04-13 1995-05-23 General Signal Corporation Humidity compensated carbon dioxide gas measurement and control
DE19637520C1 (en) * 1996-09-13 1998-03-12 Heraeus Instr Gmbh Method for zero point adjustment of a thermal conductivity measuring cell for CO¶2¶ measurement in a fumigation incubator
US6588250B2 (en) * 2001-04-27 2003-07-08 Edwards Systems Technology, Inc. Automatic calibration mode for carbon dioxide sensor
JP2004113153A (en) 2002-09-27 2004-04-15 Sanyo Electric Co Ltd Co2 incubator
JP2008220235A (en) * 2007-03-12 2008-09-25 Sanyo Electric Co Ltd Culture apparatus
CN109946429A (en) * 2019-03-27 2019-06-28 合肥皓天智能科技有限公司 A kind of novel intelligent carbon dioxide control device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924446C2 (en) * 1979-06-18 1982-09-16 W.C. Heraeus Gmbh, 6450 Hanau Method and device for culturing cells and tissues of humans and animals or of microorganisms
DE3047601A1 (en) * 1980-12-17 1982-07-22 Leybold-Heraeus GmbH, 5000 Köln Thermal conductivity detector in gas analyser - is preceded by heat exchanger to stabilise temp. of incoming gas to that of detector casing

Also Published As

Publication number Publication date
FR2545219A1 (en) 1984-11-02
GB8410531D0 (en) 1984-05-31
DE3315085A1 (en) 1984-10-31
JPS59208447A (en) 1984-11-26
GB2138949A (en) 1984-10-31
SE8402259D0 (en) 1984-04-25
SE8402259L (en) 1984-10-27
JPH0350978B2 (en) 1991-08-05
DE3315085C2 (en) 1985-09-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee