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GB2194639B - Gas calibration method and apparatus - Google Patents

Gas calibration method and apparatus

Info

Publication number
GB2194639B
GB2194639B GB8720070A GB8720070A GB2194639B GB 2194639 B GB2194639 B GB 2194639B GB 8720070 A GB8720070 A GB 8720070A GB 8720070 A GB8720070 A GB 8720070A GB 2194639 B GB2194639 B GB 2194639B
Authority
GB
United Kingdom
Prior art keywords
calibration method
gas calibration
gas
calibration
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 - Fee Related
Application number
GB8720070A
Other versions
GB2194639A (en
GB8720070D0 (en
Inventor
Anthony Desmond Shand Tantram
Jonathan Howard Gilbey
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.)
City Technology Ltd
Original Assignee
City Technology 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 GB868620586A external-priority patent/GB8620586D0/en
Priority claimed from GB868626941A external-priority patent/GB8626941D0/en
Application filed by City Technology Ltd filed Critical City Technology Ltd
Priority to GB8720070A priority Critical patent/GB2194639B/en
Publication of GB8720070D0 publication Critical patent/GB8720070D0/en
Publication of GB2194639A publication Critical patent/GB2194639A/en
Application granted granted Critical
Publication of GB2194639B publication Critical patent/GB2194639B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
GB8720070A 1986-08-26 1987-08-26 Gas calibration method and apparatus Expired - Fee Related GB2194639B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8720070A GB2194639B (en) 1986-08-26 1987-08-26 Gas calibration method and apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB868620586A GB8620586D0 (en) 1986-08-26 1986-08-26 Gas calibration method
GB868626941A GB8626941D0 (en) 1986-11-11 1986-11-11 Gas calibration method
GB8720070A GB2194639B (en) 1986-08-26 1987-08-26 Gas calibration method and apparatus

Publications (3)

Publication Number Publication Date
GB8720070D0 GB8720070D0 (en) 1987-09-30
GB2194639A GB2194639A (en) 1988-03-09
GB2194639B true GB2194639B (en) 1990-06-06

Family

ID=27263132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8720070A Expired - Fee Related GB2194639B (en) 1986-08-26 1987-08-26 Gas calibration method and apparatus

Country Status (1)

Country Link
GB (1) GB2194639B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1293774A1 (en) * 2001-09-12 2003-03-19 L'air Liquide, S.A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Method for calibrating gas analysers
US7654129B2 (en) 2005-05-17 2010-02-02 Honeywell International Inc. Sensor with an analyte modulator

Also Published As

Publication number Publication date
GB2194639A (en) 1988-03-09
GB8720070D0 (en) 1987-09-30

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Legal Events

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

Effective date: 20010826