JPH02110856U - - Google Patents

Info

Publication number
JPH02110856U
JPH02110856U JP1889789U JP1889789U JPH02110856U JP H02110856 U JPH02110856 U JP H02110856U JP 1889789 U JP1889789 U JP 1889789U JP 1889789 U JP1889789 U JP 1889789U JP H02110856 U JPH02110856 U JP H02110856U
Authority
JP
Japan
Prior art keywords
carbon monoxide
catalytic combustion
combustion type
type carbon
comparison element
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
JP1889789U
Other languages
English (en)
Other versions
JPH081490Y2 (ja
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 filed Critical
Priority to JP1989018897U priority Critical patent/JPH081490Y2/ja
Publication of JPH02110856U publication Critical patent/JPH02110856U/ja
Application granted granted Critical
Publication of JPH081490Y2 publication Critical patent/JPH081490Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案によるセンサ素子の断面図、第
2図は本考案の接触燃焼式一酸化炭素センサのブ
リツジ回路図、第3図は本考案の比較素子の特性
を示す線図、第4図は本考案の接触燃焼式一酸化
炭素センサの一実施例で、検知素子と比較素子の
抵抗が同じ場合の特性を示す線図、第5図は本考
案の他の実施例で、比較素子の抵抗が検知素子の
抵抗より小さい場合の特性を示す線図、第6図は
従来例の検知素子の特性を示す図、第7図は従来
例の比較素子の特性を示す図、第8図は従来の接
触燃焼式一酸化炭素センサの特性を示す線図であ
る。 1……白金コイル、2……γ―アルミナ触媒、
2′……ロジウム―アルミナ触媒、3……検知素
子、4……比較素子。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 接触燃焼式ガスセンサにおいて、ロジウム
    ―アルミナ触媒を担持させた検知素子と、γ―ア
    ルミナ触媒を担持させた比較素子とをブリツジ回
    路に組み込み、一酸化炭素ガス選択性を持たせた
    ことを特徴とする接触燃焼式一酸化炭素センサ。 (2) 比較素子の抵抗値を、検知素子の抵抗値よ
    り5〜20%減じたことを特徴とする請求項1記
    載の接触燃焼式一酸化炭素センサ。 (3) 比較素子と並列に抵抗を接続したことを特
    徴とする請求項1記載の接触燃焼式一酸化炭素セ
    ンサ。
JP1989018897U 1989-02-22 1989-02-22 接触燃焼式一酸化炭素センサ Expired - Lifetime JPH081490Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989018897U JPH081490Y2 (ja) 1989-02-22 1989-02-22 接触燃焼式一酸化炭素センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989018897U JPH081490Y2 (ja) 1989-02-22 1989-02-22 接触燃焼式一酸化炭素センサ

Publications (2)

Publication Number Publication Date
JPH02110856U true JPH02110856U (ja) 1990-09-05
JPH081490Y2 JPH081490Y2 (ja) 1996-01-17

Family

ID=31233941

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989018897U Expired - Lifetime JPH081490Y2 (ja) 1989-02-22 1989-02-22 接触燃焼式一酸化炭素センサ

Country Status (1)

Country Link
JP (1) JPH081490Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5424097A (en) * 1977-07-25 1979-02-23 Matsushita Electric Ind Co Ltd Production of contact combustion type inflammable gas detecting element
JPS57206852A (en) * 1981-06-15 1982-12-18 Matsushita Electric Ind Co Ltd Production of platinum resistor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5424097A (en) * 1977-07-25 1979-02-23 Matsushita Electric Ind Co Ltd Production of contact combustion type inflammable gas detecting element
JPS57206852A (en) * 1981-06-15 1982-12-18 Matsushita Electric Ind Co Ltd Production of platinum resistor

Also Published As

Publication number Publication date
JPH081490Y2 (ja) 1996-01-17

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