JPH0227298U - - Google Patents

Info

Publication number
JPH0227298U
JPH0227298U JP10238488U JP10238488U JPH0227298U JP H0227298 U JPH0227298 U JP H0227298U JP 10238488 U JP10238488 U JP 10238488U JP 10238488 U JP10238488 U JP 10238488U JP H0227298 U JPH0227298 U JP H0227298U
Authority
JP
Japan
Prior art keywords
gas
sensor
alarm
circuit
current
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
JP10238488U
Other languages
English (en)
Japanese (ja)
Other versions
JPH082798Y2 (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 JP1988102384U priority Critical patent/JPH082798Y2/ja
Publication of JPH0227298U publication Critical patent/JPH0227298U/ja
Application granted granted Critical
Publication of JPH082798Y2 publication Critical patent/JPH082798Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1988102384U 1988-08-03 1988-08-03 ガス警報器 Expired - Lifetime JPH082798Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988102384U JPH082798Y2 (ja) 1988-08-03 1988-08-03 ガス警報器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988102384U JPH082798Y2 (ja) 1988-08-03 1988-08-03 ガス警報器

Publications (2)

Publication Number Publication Date
JPH0227298U true JPH0227298U (zh) 1990-02-22
JPH082798Y2 JPH082798Y2 (ja) 1996-01-29

Family

ID=31332247

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988102384U Expired - Lifetime JPH082798Y2 (ja) 1988-08-03 1988-08-03 ガス警報器

Country Status (1)

Country Link
JP (1) JPH082798Y2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020025025A (ja) * 2018-08-07 2020-02-13 横河電機株式会社 防爆構造

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125443A (en) * 1979-03-16 1980-09-27 Cerberus Ag Gas detector to be used in environment of explosion danger
JPS5747915U (zh) * 1980-09-04 1982-03-17
JPS57189289A (en) * 1981-05-15 1982-11-20 Toubishi Kogyo Kk Gas detection monitor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55125443A (en) * 1979-03-16 1980-09-27 Cerberus Ag Gas detector to be used in environment of explosion danger
JPS5747915U (zh) * 1980-09-04 1982-03-17
JPS57189289A (en) * 1981-05-15 1982-11-20 Toubishi Kogyo Kk Gas detection monitor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020025025A (ja) * 2018-08-07 2020-02-13 横河電機株式会社 防爆構造
CN110829684A (zh) * 2018-08-07 2020-02-21 横河电机株式会社 防爆结构
US11018485B2 (en) 2018-08-07 2021-05-25 Yokogawa Electric Corporation Explosion-proof structure
CN110829684B (zh) * 2018-08-07 2021-08-13 横河电机株式会社 防爆结构

Also Published As

Publication number Publication date
JPH082798Y2 (ja) 1996-01-29

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