JPS57136153A - Gas leakage warning device - Google Patents

Gas leakage warning device

Info

Publication number
JPS57136153A
JPS57136153A JP56021396A JP2139681A JPS57136153A JP S57136153 A JPS57136153 A JP S57136153A JP 56021396 A JP56021396 A JP 56021396A JP 2139681 A JP2139681 A JP 2139681A JP S57136153 A JPS57136153 A JP S57136153A
Authority
JP
Japan
Prior art keywords
heater
decreased
gas sensor
voltage
wires
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
JP56021396A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0128901B2 (enrdf_load_stackoverflow
Inventor
Kazuhito Koda
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP56021396A priority Critical patent/JPS57136153A/ja
Publication of JPS57136153A publication Critical patent/JPS57136153A/ja
Publication of JPH0128901B2 publication Critical patent/JPH0128901B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01N33/007—Arrangements to check the analyser

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Food Science & Technology (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
JP56021396A 1981-02-18 1981-02-18 Gas leakage warning device Granted JPS57136153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56021396A JPS57136153A (en) 1981-02-18 1981-02-18 Gas leakage warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56021396A JPS57136153A (en) 1981-02-18 1981-02-18 Gas leakage warning device

Publications (2)

Publication Number Publication Date
JPS57136153A true JPS57136153A (en) 1982-08-23
JPH0128901B2 JPH0128901B2 (enrdf_load_stackoverflow) 1989-06-06

Family

ID=12053891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56021396A Granted JPS57136153A (en) 1981-02-18 1981-02-18 Gas leakage warning device

Country Status (1)

Country Link
JP (1) JPS57136153A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6119756U (ja) * 1984-07-11 1986-02-05 リンナイ株式会社 可燃性ガス検知装置
JPS62203051A (ja) * 1986-03-01 1987-09-07 Ricoh Seiki Kk ガス検出装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114394A (en) * 1977-03-10 1978-10-05 Matsushita Electric Ind Co Ltd Detector for gas leakage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53114394A (en) * 1977-03-10 1978-10-05 Matsushita Electric Ind Co Ltd Detector for gas leakage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6119756U (ja) * 1984-07-11 1986-02-05 リンナイ株式会社 可燃性ガス検知装置
JPS62203051A (ja) * 1986-03-01 1987-09-07 Ricoh Seiki Kk ガス検出装置

Also Published As

Publication number Publication date
JPH0128901B2 (enrdf_load_stackoverflow) 1989-06-06

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