ZA824170B - Method and apparatus for resolving the ambiguity of an explosimeter measurement - Google Patents

Method and apparatus for resolving the ambiguity of an explosimeter measurement

Info

Publication number
ZA824170B
ZA824170B ZA824170A ZA824170A ZA824170B ZA 824170 B ZA824170 B ZA 824170B ZA 824170 A ZA824170 A ZA 824170A ZA 824170 A ZA824170 A ZA 824170A ZA 824170 B ZA824170 B ZA 824170B
Authority
ZA
South Africa
Prior art keywords
explosimeter
ambiguity
resolving
measurement
explosimeter measurement
Prior art date
Application number
ZA824170A
Other languages
English (en)
Inventor
M Boutonnat
G Rose
Original Assignee
Charbonnages De France
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 Charbonnages De France filed Critical Charbonnages De France
Publication of ZA824170B publication Critical patent/ZA824170B/xx

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
    • G01N33/0026—General constructional details of gas analysers, e.g. portable test equipment using an alternating circulation of another gas

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)
  • Fuel Cell (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
ZA824170A 1981-06-15 1982-06-14 Method and apparatus for resolving the ambiguity of an explosimeter measurement ZA824170B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8111738A FR2507779A1 (fr) 1981-06-15 1981-06-15 Procede et appareil d'explosimetrie a moyen nouveau de lever de doute des mesures

Publications (1)

Publication Number Publication Date
ZA824170B true ZA824170B (en) 1983-04-27

Family

ID=9259524

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA824170A ZA824170B (en) 1981-06-15 1982-06-14 Method and apparatus for resolving the ambiguity of an explosimeter measurement

Country Status (6)

Country Link
EP (1) EP0068959A3 (Direct)
JP (1) JPS5848842A (Direct)
ES (1) ES513085A0 (Direct)
FR (1) FR2507779A1 (Direct)
IN (1) IN155854B (Direct)
ZA (1) ZA824170B (Direct)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517062A1 (fr) * 1981-11-20 1983-05-27 Charbonnages De France Procede d'interrogation d'un detecteur de teneur en gaz combustible, dispositif pour sa mise en oeuvre et application a la detection de la teneur en methane
US4799247A (en) * 1986-06-20 1989-01-17 American Science And Engineering, Inc. X-ray imaging particularly adapted for low Z materials
CN104791010A (zh) * 2015-03-13 2015-07-22 陈蔼珊 一种矿井内氧气含量控制方法及系统
CN105781608B (zh) * 2016-04-13 2018-08-10 山东理工大学 双反应室预热催化氧化装置电控调节式进排气导流系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1281722B (de) * 1965-02-19 1968-10-31 Auergesellschaft M B H Geraet zur Messung der Konzentration brennbarer Gase und Daempfe
US3791936A (en) * 1971-08-20 1974-02-12 Westinghouse Electric Corp Method and apparatus for monitoring the total combustibles and oxygen content of a gas
FR2367285A1 (fr) * 1976-10-08 1978-05-05 Charbonnages De France Procede et appareil de mesure de la teneur en oxygene d'un me lange gazeux, tel qu'une atmosphere
CA1096197A (en) * 1976-11-08 1981-02-24 Donald A. Sayles Apparatus for measuring excess oxygen or combustibles in a gaseous sample of a combustion process
DE2655954C3 (de) * 1976-12-10 1980-05-22 Draegerwerk Ag, 2400 Luebeck Vorrichtung zur eindeutigen Anzeige des Anteils brennbarer Bestandteile in einer Gasprobe
FR2434389A1 (fr) * 1978-08-25 1980-03-21 Charbonnages De France Appareil de mesure d'un constituant d'une atmosphere

Also Published As

Publication number Publication date
JPS5848842A (ja) 1983-03-22
ES8402937A1 (es) 1984-03-01
FR2507779A1 (fr) 1982-12-17
IN155854B (Direct) 1985-03-16
EP0068959A3 (fr) 1985-10-23
EP0068959A2 (fr) 1983-01-05
FR2507779B1 (Direct) 1983-11-04
ES513085A0 (es) 1984-03-01

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