FR2339858A1 - Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere - Google Patents

Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Info

Publication number
FR2339858A1
FR2339858A1 FR7602800A FR7602800A FR2339858A1 FR 2339858 A1 FR2339858 A1 FR 2339858A1 FR 7602800 A FR7602800 A FR 7602800A FR 7602800 A FR7602800 A FR 7602800A FR 2339858 A1 FR2339858 A1 FR 2339858A1
Authority
FR
France
Prior art keywords
thermistor
arm
wheatstone bridge
combustible gases
balanced
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.)
Granted
Application number
FR7602800A
Other languages
English (en)
French (fr)
Other versions
FR2339858B1 (enrdf_load_stackoverflow
Inventor
A T Timoshenko
V I Nazarenko
F E Krigman
M G Gusev
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.)
MAKEEVSKY INST BEZOPASNOSTI
Original Assignee
MAKEEVSKY INST BEZOPASNOSTI
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 MAKEEVSKY INST BEZOPASNOSTI filed Critical MAKEEVSKY INST BEZOPASNOSTI
Priority to FR7602800A priority Critical patent/FR2339858A1/fr
Publication of FR2339858A1 publication Critical patent/FR2339858A1/fr
Application granted granted Critical
Publication of FR2339858B1 publication Critical patent/FR2339858B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14Investigating 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
    • G01N27/16Investigating 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)
FR7602800A 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere Granted FR2339858A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7602800A FR2339858A1 (fr) 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7602800A FR2339858A1 (fr) 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Publications (2)

Publication Number Publication Date
FR2339858A1 true FR2339858A1 (fr) 1977-08-26
FR2339858B1 FR2339858B1 (enrdf_load_stackoverflow) 1978-12-08

Family

ID=9168641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7602800A Granted FR2339858A1 (fr) 1976-02-02 1976-02-02 Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere

Country Status (1)

Country Link
FR (1) FR2339858A1 (enrdf_load_stackoverflow)

Citations (1)

* 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

Patent Citations (1)

* 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

Also Published As

Publication number Publication date
FR2339858B1 (enrdf_load_stackoverflow) 1978-12-08

Similar Documents

Publication Publication Date Title
GB866480A (en) Electrical network automatically responsive to a change in condition
GB1495584A (en) Apparatus for gas analysis
US4476096A (en) Circuit arrangement for an apparatus for measuring and indicating the concentration of combustible gases and vapors contained in air
FR2339858A1 (fr) Indicateur thermochimique de presence de gaz combustibles dans l'atmosphere
GB1529461A (en) Systems for monitoring the composition of exhaust gases
GB902087A (en) Improvements in or relating to electrical bridge networks
GB1456646A (en) Measuring-transducer circuits
US2879142A (en) Combustible gas detector
US2517628A (en) Temperature responsive device
GB1387412A (en) Combustible gas detectors
FR2249328A1 (en) Combustible gas detector of catalytic combustion type - has two wheatstone bridges each with sensing resistor in branch
JPS5693038A (en) Semiconductor gas sensor
SE8403843D0 (sv) Anordning vid temperaturavkennare
GB1129128A (en) Apparatus for measuring the concentration of combustible gases and vapours
JPS57182153A (en) Gas detector
SU953447A1 (ru) Тензометрическое устройство
JPH0247493Y2 (enrdf_load_stackoverflow)
IT1183962B (it) Circuiti di interfaccia fra un sensore in particolare un sensore di pressione del tipo a film spesso ed uno strumento indicatore elettrodinamico e sensore incorporante tale circuito particolarmente per l'impiego a bordo di autoveicoli
SU579569A1 (ru) Газосигнализатор
GB1419361A (en) Multi-channel combustible gas detector
JPS5596443A (en) Gas detector
SU924503A1 (ru) Устройство дл измерени перемещений
GB1304326A (enrdf_load_stackoverflow)
GB1581939A (en) Linearsed bridges including a semiconductor gas-detecting element
GB963029A (en) Spectral flame analysis and recording apparatus and temperature compensating means therefor

Legal Events

Date Code Title Description
ST Notification of lapse