DE2748440A1 - Messeinrichtung zur bestimmung der menge der brennbaren gase in der luft - Google Patents

Messeinrichtung zur bestimmung der menge der brennbaren gase in der luft

Info

Publication number
DE2748440A1
DE2748440A1 DE19772748440 DE2748440A DE2748440A1 DE 2748440 A1 DE2748440 A1 DE 2748440A1 DE 19772748440 DE19772748440 DE 19772748440 DE 2748440 A DE2748440 A DE 2748440A DE 2748440 A1 DE2748440 A1 DE 2748440A1
Authority
DE
Germany
Prior art keywords
filament
air
catalytic
measuring device
control circuit
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.)
Pending
Application number
DE19772748440
Other languages
German (de)
English (en)
Inventor
Karoly Biczo
Laszlo Hiros
Zoltan Dipl Chem D Noszticiusz
Gyoergy Dipl Chem Dr Racz
Laszlo Rosman
Janos Soos
Gyoergy Dipl Chem Dr Szekely
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.)
Medicor Muvek
Original Assignee
Medicor Muvek
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 Medicor Muvek filed Critical Medicor Muvek
Publication of DE2748440A1 publication Critical patent/DE2748440A1/de
Pending legal-status Critical Current

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)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE19772748440 1976-10-27 1977-10-26 Messeinrichtung zur bestimmung der menge der brennbaren gase in der luft Pending DE2748440A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU76ME2026A HU173759B (hu) 1976-10-27 1976-10-27 Izmeritel'noe ustrojstvo dlja opredelenija kolichestva gazovogo gorjuchego v vozduhe

Publications (1)

Publication Number Publication Date
DE2748440A1 true DE2748440A1 (de) 1978-05-11

Family

ID=10999420

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772748440 Pending DE2748440A1 (de) 1976-10-27 1977-10-26 Messeinrichtung zur bestimmung der menge der brennbaren gase in der luft

Country Status (8)

Country Link
DD (1) DD131969A1 (sv)
DE (1) DE2748440A1 (sv)
FI (1) FI773183A (sv)
FR (1) FR2369561A1 (sv)
HU (1) HU173759B (sv)
NO (1) NO773652L (sv)
PL (1) PL201782A1 (sv)
SE (1) SE7711987L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403222A (nl) * 1984-10-23 1986-05-16 Nedap Nv Methode ter vermindering van ongewenste echo's in ultrasone stroomsnelheidsmeters.

Also Published As

Publication number Publication date
PL201782A1 (pl) 1978-06-05
NO773652L (no) 1978-04-28
FI773183A (fi) 1978-04-28
HU173759B (hu) 1979-08-28
DD131969A1 (de) 1978-08-09
SE7711987L (sv) 1978-04-28
FR2369561A1 (fr) 1978-05-26

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