JPS59123799U - 漏れ調査装置 - Google Patents

漏れ調査装置

Info

Publication number
JPS59123799U
JPS59123799U JP1787683U JP1787683U JPS59123799U JP S59123799 U JPS59123799 U JP S59123799U JP 1787683 U JP1787683 U JP 1787683U JP 1787683 U JP1787683 U JP 1787683U JP S59123799 U JPS59123799 U JP S59123799U
Authority
JP
Japan
Prior art keywords
counter
detection device
leak detection
pulses
value
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
JP1787683U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0248956Y2 (enrdf_load_stackoverflow
Inventor
豊 井上
藤原　善則
宏 佐藤
治 橋本
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.)
Aichi Tokei Denki Co Ltd
Original Assignee
Aichi Tokei Denki Co 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 Aichi Tokei Denki Co Ltd filed Critical Aichi Tokei Denki Co Ltd
Priority to JP1787683U priority Critical patent/JPS59123799U/ja
Publication of JPS59123799U publication Critical patent/JPS59123799U/ja
Application granted granted Critical
Publication of JPH0248956Y2 publication Critical patent/JPH0248956Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Pipeline Systems (AREA)
  • Emergency Alarm Devices (AREA)
JP1787683U 1983-02-09 1983-02-09 漏れ調査装置 Granted JPS59123799U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1787683U JPS59123799U (ja) 1983-02-09 1983-02-09 漏れ調査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1787683U JPS59123799U (ja) 1983-02-09 1983-02-09 漏れ調査装置

Publications (2)

Publication Number Publication Date
JPS59123799U true JPS59123799U (ja) 1984-08-20
JPH0248956Y2 JPH0248956Y2 (enrdf_load_stackoverflow) 1990-12-21

Family

ID=30149099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1787683U Granted JPS59123799U (ja) 1983-02-09 1983-02-09 漏れ調査装置

Country Status (1)

Country Link
JP (1) JPS59123799U (enrdf_load_stackoverflow)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974591A (enrdf_load_stackoverflow) * 1972-11-16 1974-07-18
JPS49111688A (enrdf_load_stackoverflow) * 1973-02-21 1974-10-24
JPS56162029A (en) * 1980-05-19 1981-12-12 Hitachi Ltd Water leakage detecting method
JPS5814015A (ja) * 1981-07-17 1983-01-26 Motohiro Gotanda ガス異常使用検知装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974591A (enrdf_load_stackoverflow) * 1972-11-16 1974-07-18
JPS49111688A (enrdf_load_stackoverflow) * 1973-02-21 1974-10-24
JPS56162029A (en) * 1980-05-19 1981-12-12 Hitachi Ltd Water leakage detecting method
JPS5814015A (ja) * 1981-07-17 1983-01-26 Motohiro Gotanda ガス異常使用検知装置

Also Published As

Publication number Publication date
JPH0248956Y2 (enrdf_load_stackoverflow) 1990-12-21

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