BE861685A - Dispositif pour indiquer sans equivoque la proportion de constituants combustibles dans un echantillon de gaz - Google Patents

Dispositif pour indiquer sans equivoque la proportion de constituants combustibles dans un echantillon de gaz

Info

Publication number
BE861685A
BE861685A BE183315A BE183315A BE861685A BE 861685 A BE861685 A BE 861685A BE 183315 A BE183315 A BE 183315A BE 183315 A BE183315 A BE 183315A BE 861685 A BE861685 A BE 861685A
Authority
BE
Belgium
Prior art keywords
unquivously
proportion
indicating
gas sample
combustible constituents
Prior art date
Application number
BE183315A
Other languages
English (en)
Original Assignee
Draegerwerk Ag
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 Draegerwerk Ag filed Critical Draegerwerk Ag
Publication of BE861685A publication Critical patent/BE861685A/fr

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
    • G01N27/02—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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
    • 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
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • G01N33/0032—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array using two or more different physical functioning modes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
BE183315A 1976-12-10 1977-12-09 Dispositif pour indiquer sans equivoque la proportion de constituants combustibles dans un echantillon de gaz BE861685A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762655954 DE2655954C3 (de) 1976-12-10 1976-12-10 Vorrichtung zur eindeutigen Anzeige des Anteils brennbarer Bestandteile in einer Gasprobe

Publications (1)

Publication Number Publication Date
BE861685A true BE861685A (fr) 1978-03-31

Family

ID=5995161

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183315A BE861685A (fr) 1976-12-10 1977-12-09 Dispositif pour indiquer sans equivoque la proportion de constituants combustibles dans un echantillon de gaz

Country Status (4)

Country Link
BE (1) BE861685A (fr)
DE (1) DE2655954C3 (fr)
FR (1) FR2373793A1 (fr)
GB (1) GB1575767A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK172281A (da) * 1981-04-15 1982-10-16 O Johannsen Apparat til analyse af forbraendingsgas
FR2507779A1 (fr) * 1981-06-15 1982-12-17 Charbonnages De France Procede et appareil d'explosimetrie a moyen nouveau de lever de doute des mesures
DE3132297C2 (de) * 1981-08-12 1985-05-15 Auergesellschaft Gmbh, 1000 Berlin Schaltungsanordnung für ein Gerät zur Messung und Anzeige der Konzentration von in Luft enthaltenen brennbaren Gasen und Dämpfen
GB2105849B (en) * 1981-09-11 1985-05-15 Coal Ind Electrical gas analyser for sensing at least two gases
DE3622307A1 (de) * 1986-07-03 1988-01-14 Draegerwerk Ag Messeinrichtung zum nachweis des anteils von brennbaren gasen in luftgemischen
GB2361997A (en) * 2000-05-04 2001-11-07 Bw Technologies Ltd Combustible gas detection

Also Published As

Publication number Publication date
DE2655954C3 (de) 1980-05-22
FR2373793A1 (fr) 1978-07-07
GB1575767A (en) 1980-09-24
FR2373793B1 (fr) 1984-01-06
DE2655954A1 (de) 1978-06-22
DE2655954B2 (de) 1979-08-23

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: DRAGERWERK A.G.

Effective date: 19891231