NL236207A - - Google Patents

Info

Publication number
NL236207A
NL236207A NL236207DA NL236207A NL 236207 A NL236207 A NL 236207A NL 236207D A NL236207D A NL 236207DA NL 236207 A NL236207 A NL 236207A
Authority
NL
Netherlands
Application number
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.)
Publication of NL236207A publication Critical patent/NL236207A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (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)
NL236207D 1958-02-18 NL236207A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5225/58A GB892531A (en) 1958-02-18 1958-02-18 Improvements in or relating to the detection or analysis of gases

Publications (1)

Publication Number Publication Date
NL236207A true NL236207A (no)

Family

ID=9792058

Family Applications (1)

Application Number Title Priority Date Filing Date
NL236207D NL236207A (no) 1958-02-18

Country Status (4)

Country Link
US (1) US3117843A (no)
DE (1) DE1134222B (no)
GB (1) GB892531A (no)
NL (1) NL236207A (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1296837B (de) * 1962-11-07 1969-06-04 Auergmbh Geraet zur Messung der Konzentration des in einem Gasgemisch enthaltenen Methans
DE1267884B (de) * 1963-09-12 1968-05-09 Bosch Gmbh Robert Elektrisches Messgeraet fuer die werkstattmaessige Einstellung des Kraftstoff-Luft-Gemisches einer Brennkraftmaschine auf Abgasminimum
US3354052A (en) * 1964-05-18 1967-11-21 Texaco Inc Apparatus for distilling and controlling proportion of components of a mixture
DE1280587B (de) * 1965-11-02 1968-10-17 Rau Swf Autozubehoer Abgaspruefgeraet fuer Kraftfahrzeuge
DE1598679C3 (de) * 1966-08-10 1981-04-23 Hans Dipl.-Ing. 4300 Essen Knausenberger Verfahren und Vorrichtung zum Prüfen der Bodenluft im Untergrund
US3519391A (en) * 1967-09-22 1970-07-07 Karl Winter Method of and apparatus for measuring combustible constituents of gas samples
GB1448557A (en) * 1972-09-26 1976-09-08 Lion Lab Ltd Apparatus for detecting or measuring a constituent of a gas
US4045177A (en) * 1976-08-16 1977-08-30 Cse Corporation Apparatus for detecting combustible gases
CH638636A5 (de) * 1979-03-16 1983-09-30 Cerberus Ag Gasmelder zum einsatz in explosionsgefaehrdeter umgebung.
GB0019649D0 (en) * 2000-08-10 2000-09-27 Central Research Lab Ltd A pellet resistor sensor
US7112447B2 (en) * 2002-09-27 2006-09-26 Spx Corporation Hand held gas analyzer
US7402284B2 (en) * 2002-09-27 2008-07-22 Spx Corporation Orientation device for a gas analyzer
US7526942B2 (en) * 2003-06-12 2009-05-05 Riken Keiki Co., Ltd. Contact combustion gas sensor
GB2559704B (en) * 2015-04-03 2019-11-06 Cgd Tech Limited Gas monitoring apparatus for use with interchangeable sensor modules
GB2536975B (en) * 2015-04-03 2018-07-04 Cgd Tech Limited Gas Monitoring Apparatus for use with Interchangeable Sensor Modules

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899281A (en) * 1959-08-11 Catalytic ozone analyzer
US1918702A (en) * 1931-02-02 1933-07-18 Charles Engelhard Inc Construction of thermal conductivity cells
US1971038A (en) * 1932-03-25 1934-08-21 Charles Engelhard Inc Thermal conductivity cell
DE741297C (de) * 1938-11-03 1943-11-09 Aeg Vorrichtung zur Bestimmung des Gehaltes an brennbaren Gasen in Gasgemischen
US2404993A (en) * 1940-01-22 1946-07-30 Cities Service Oil Co Gas analyzer
US2335032A (en) * 1940-10-12 1943-11-23 Cities Service Oil Co Analysis of gases
DE858777C (de) * 1941-07-13 1952-12-08 Basf Ag Vorrichtung zur Gasanalyse durch Messung des Waermeleitvermoegens
CH249161A (fr) * 1943-02-26 1947-06-15 Poole Ralph Appareil pour la détection de gaz qui forment avec l'air des mélanges explosifs.
US2546273A (en) * 1943-02-26 1951-03-27 Poole Ralph Apparatus for detecting explosive gases
US2533339A (en) * 1946-06-22 1950-12-12 Jabez Burns & Sons Inc Flammable vapor protection
US2618150A (en) * 1947-09-25 1952-11-18 Jabez Burns & Sons Inc Gas and vapor measuring apparatus
US2585959A (en) * 1949-01-24 1952-02-19 Minter Instr Corp Thermal conductivity bridge for gas analysis
DE921285C (de) * 1950-08-11 1954-12-13 Albert Dr Phil Perlick Verfahren und Vorrichtung zur Messung kleiner Konzentrationen umsetzungsfaehiger Gase im Gemisch mit anderen Gasen
US2743167A (en) * 1950-10-10 1956-04-24 Robert H Cherry Instrument for measuring carbon monoxide in oxygen bearing atmosphere
US2687036A (en) * 1950-11-20 1954-08-24 Minter Instr Corp Thermal conductivity bridge-block
US2652315A (en) * 1951-02-08 1953-09-15 Bailey Meter Co Gas analyzing devices
US2768069A (en) * 1952-06-05 1956-10-23 Factory Mutual Res Corp Combustible gas detector
US2821462A (en) * 1952-11-13 1958-01-28 Bailey Meter Co Gas analyzing devices
AT193640B (de) * 1955-11-09 1957-11-25 Landis & Gyr Ag Meßeinrichtung, insbesondere für elektrische Rauchgas-Prüfer
US2888330A (en) * 1957-03-20 1959-05-26 Standard Oil Co Hydrocarbon gas analyzer and method
US2901329A (en) * 1957-09-24 1959-08-25 Standard Oil Co Combustibles detector for gas chromatography

Also Published As

Publication number Publication date
GB892531A (en) 1962-03-28
US3117843A (en) 1964-01-14
DE1134222B (de) 1962-08-02

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