JPH0333224B2 - - Google Patents

Info

Publication number
JPH0333224B2
JPH0333224B2 JP58178214A JP17821483A JPH0333224B2 JP H0333224 B2 JPH0333224 B2 JP H0333224B2 JP 58178214 A JP58178214 A JP 58178214A JP 17821483 A JP17821483 A JP 17821483A JP H0333224 B2 JPH0333224 B2 JP H0333224B2
Authority
JP
Japan
Prior art keywords
heater wire
heating
transistor
gas
voltage
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.)
Expired - Lifetime
Application number
JP58178214A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6070344A (ja
Inventor
Mikio Mochizuki
Tooru Tamura
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai 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 Nohmi Bosai Ltd filed Critical Nohmi Bosai Ltd
Priority to JP58178214A priority Critical patent/JPS6070344A/ja
Publication of JPS6070344A publication Critical patent/JPS6070344A/ja
Priority to JP24678890A priority patent/JPH03150455A/ja
Publication of JPH0333224B2 publication Critical patent/JPH0333224B2/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Emergency Alarm Devices (AREA)
JP58178214A 1983-09-28 1983-09-28 ガス漏れ検知装置 Granted JPS6070344A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58178214A JPS6070344A (ja) 1983-09-28 1983-09-28 ガス漏れ検知装置
JP24678890A JPH03150455A (ja) 1983-09-28 1990-09-17 ガス漏れ検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58178214A JPS6070344A (ja) 1983-09-28 1983-09-28 ガス漏れ検知装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP24678890A Division JPH03150455A (ja) 1983-09-28 1990-09-17 ガス漏れ検知装置

Publications (2)

Publication Number Publication Date
JPS6070344A JPS6070344A (ja) 1985-04-22
JPH0333224B2 true JPH0333224B2 (en]) 1991-05-16

Family

ID=16044575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58178214A Granted JPS6070344A (ja) 1983-09-28 1983-09-28 ガス漏れ検知装置

Country Status (1)

Country Link
JP (1) JPS6070344A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6189155U (en]) * 1984-11-16 1986-06-10
JPS61126458A (ja) * 1984-11-22 1986-06-13 Mitsubishi Electric Corp 検出器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343320B2 (en]) * 1972-12-27 1978-11-18
JPS524897A (en) * 1975-06-30 1977-01-14 Omron Tateisi Electronics Co Gas detector

Also Published As

Publication number Publication date
JPS6070344A (ja) 1985-04-22

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