AU5810686A - Gas monitor - Google Patents

Gas monitor

Info

Publication number
AU5810686A
AU5810686A AU58106/86A AU5810686A AU5810686A AU 5810686 A AU5810686 A AU 5810686A AU 58106/86 A AU58106/86 A AU 58106/86A AU 5810686 A AU5810686 A AU 5810686A AU 5810686 A AU5810686 A AU 5810686A
Authority
AU
Australia
Prior art keywords
gas monitor
monitor
gas
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.)
Abandoned
Application number
AU58106/86A
Inventor
Peter J. Gielisse
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.)
CAPITAL TECHNOLOGIES INTERNATIONAL
Original Assignee
CAPITAL TECHN INT
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 CAPITAL TECHN INT filed Critical CAPITAL TECHN INT
Publication of AU5810686A publication Critical patent/AU5810686A/en
Abandoned 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
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • 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
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
    • G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/32—Compensating for temperature change

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (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)
AU58106/86A 1985-04-29 1986-04-29 Gas monitor Abandoned AU5810686A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72807485A 1985-04-29 1985-04-29
US728074 1985-04-29

Publications (1)

Publication Number Publication Date
AU5810686A true AU5810686A (en) 1986-11-18

Family

ID=24925311

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58106/86A Abandoned AU5810686A (en) 1985-04-29 1986-04-29 Gas monitor

Country Status (3)

Country Link
EP (1) EP0221159A1 (en)
AU (1) AU5810686A (en)
WO (1) WO1986006528A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819128C2 (en) * 1988-06-04 1995-10-26 Conducta Endress & Hauser Gas detection system
US5694118A (en) * 1994-12-28 1997-12-02 Park; Sea C. Gas detection and alarm system for monitoring gas such as carbon monoxide
ITMI20050232A1 (en) * 2005-02-17 2006-08-18 Finanziaria Unterland S P A MEASUREMENT DEVICE FOR CARBON DIOXIDE AND OXYGEN CONTRACTIONS

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786675A (en) * 1970-11-23 1974-01-22 Uson Corp Portable gas leak detector
GB1451231A (en) * 1973-03-30 1976-09-29 Nat Res Dev Gas sensitive devices
US4164699A (en) * 1976-02-09 1979-08-14 Nauchno-Issledovatelsky Institut Po Bezopasnosti Rabot V Gornoi Promyshlennosti Thermochemical combustible gas detector
US4166380A (en) * 1978-02-23 1979-09-04 Northern Illinois Gas Company Quantitative measuring system for combustible gas with audible tick rate
US4352087A (en) * 1981-04-22 1982-09-28 Marie C. Kercheval Fume detector and alarm system
US4480252A (en) * 1981-12-14 1984-10-30 International Telephone And Telegraph Corporation Gas detector

Also Published As

Publication number Publication date
EP0221159A1 (en) 1987-05-13
WO1986006528A1 (en) 1986-11-06

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