BE858159A - Perfectionnements aux moniteurs de gaz - Google Patents

Perfectionnements aux moniteurs de gaz

Info

Publication number
BE858159A
BE858159A BE180472A BE180472A BE858159A BE 858159 A BE858159 A BE 858159A BE 180472 A BE180472 A BE 180472A BE 180472 A BE180472 A BE 180472A BE 858159 A BE858159 A BE 858159A
Authority
BE
Belgium
Prior art keywords
gas monitor
developments
monitor developments
gas
monitor
Prior art date
Application number
BE180472A
Other languages
English (en)
Original Assignee
British Steel Corp
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 British Steel Corp filed Critical British Steel Corp
Publication of BE858159A publication Critical patent/BE858159A/fr

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
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • G01N33/0011—Sample conditioning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
BE180472A 1976-08-27 1977-08-26 Perfectionnements aux moniteurs de gaz BE858159A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB35790/76A GB1591372A (en) 1976-08-27 1976-08-27 Gas monitors

Publications (1)

Publication Number Publication Date
BE858159A true BE858159A (fr) 1977-12-16

Family

ID=10381587

Family Applications (1)

Application Number Title Priority Date Filing Date
BE180472A BE858159A (fr) 1976-08-27 1977-08-26 Perfectionnements aux moniteurs de gaz

Country Status (7)

Country Link
US (1) US4175422A (fr)
JP (1) JPS5359497A (fr)
BE (1) BE858159A (fr)
DE (1) DE2738671A1 (fr)
FR (1) FR2363105A1 (fr)
GB (1) GB1591372A (fr)
NL (1) NL7709475A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512957A1 (fr) * 1981-09-14 1983-03-18 Res Instituut Sesto Bv Dispositif de detection d'oxyde de carbone
GB2165948B (en) * 1984-10-23 1988-12-07 Health Lab Service Board Formaldehyde monitor
DE19717056C1 (de) * 1997-04-23 1998-05-14 Draegerwerk Ag Elektrochemischer Gassensor
US6523810B2 (en) 1998-01-09 2003-02-25 The Holmes Group, Inc. Modular performance indicator for a humidifier
US6237899B1 (en) * 1998-01-09 2001-05-29 Holmes Products Corp. Humidifier with wick change indicator
TW200730810A (en) * 2006-02-08 2007-08-16 Chu-Mei Lin Gas detection and alarm system
DE102010014222B4 (de) * 2010-04-08 2019-03-21 Drägerwerk AG & Co. KGaA Druckluftüberwachungseinrichtung
DE102021111431A1 (de) 2020-06-29 2021-12-30 Dräger Safety AG & Co. KGaA Überwachungssystem

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL151445B (nl) * 1949-02-08 United States Steel Corp Afdichtinrichting voor een bewerkingskamer voor bandmateriaal.
US2687342A (en) * 1952-10-15 1954-08-24 Mine Safety Appliances Co Method and apparatus for testing gas
US3039053A (en) * 1959-04-10 1962-06-12 Mine Safety Appliances Co Means and methods for gas detection
US3431771A (en) * 1965-03-11 1969-03-11 Exxon Research Engineering Co Universal diffusion-sorption type gas analyzer
US3558279A (en) * 1967-06-20 1971-01-26 Ionics Electrochemical sensor device
US3578409A (en) * 1967-08-23 1971-05-11 Trw Inc Sensors unaffected by humidity changes to detect toxic oxidizing vapors
US3567387A (en) * 1969-01-09 1971-03-02 Westinghouse Electric Corp Carbon dioxide monitor
US3782179A (en) * 1970-09-04 1974-01-01 L Richards Temperature and salinity compensation for soil water sensitive resistors
US3864628A (en) * 1973-05-29 1975-02-04 Inst Gas Technology Selective solid-state gas sensors and method
JPS517995A (en) * 1974-06-14 1976-01-22 Hitachi Ltd Gasusensa zairyo

Also Published As

Publication number Publication date
FR2363105B1 (fr) 1982-05-07
GB1591372A (en) 1981-06-24
FR2363105A1 (fr) 1978-03-24
DE2738671A1 (de) 1978-03-02
JPS5359497A (en) 1978-05-29
US4175422A (en) 1979-11-27
NL7709475A (nl) 1978-03-01

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BRITISH STEEL CORP.

Effective date: 19850831