JPH01144854U - - Google Patents

Info

Publication number
JPH01144854U
JPH01144854U JP4118288U JP4118288U JPH01144854U JP H01144854 U JPH01144854 U JP H01144854U JP 4118288 U JP4118288 U JP 4118288U JP 4118288 U JP4118288 U JP 4118288U JP H01144854 U JPH01144854 U JP H01144854U
Authority
JP
Japan
Prior art keywords
alarm
output
comparator
alarm device
conductivity detector
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.)
Pending
Application number
JP4118288U
Other languages
English (en)
Japanese (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 JP4118288U priority Critical patent/JPH01144854U/ja
Publication of JPH01144854U publication Critical patent/JPH01144854U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)
JP4118288U 1988-03-30 1988-03-30 Pending JPH01144854U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4118288U JPH01144854U (OSRAM) 1988-03-30 1988-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4118288U JPH01144854U (OSRAM) 1988-03-30 1988-03-30

Publications (1)

Publication Number Publication Date
JPH01144854U true JPH01144854U (OSRAM) 1989-10-04

Family

ID=31267629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4118288U Pending JPH01144854U (OSRAM) 1988-03-30 1988-03-30

Country Status (1)

Country Link
JP (1) JPH01144854U (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07190974A (ja) * 1993-12-27 1995-07-28 Teruaki Ito 植物成育用土壌の水分含有度監視装置
JP2014035269A (ja) * 2012-08-09 2014-02-24 Shibaura Institute Of Technology 打設されたコンクリートの養生中における品質判定方法及び養生終了時期判定方法並びに品質判定用型枠

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216466B2 (OSRAM) * 1979-11-14 1987-04-13 Hitachi Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6216466B2 (OSRAM) * 1979-11-14 1987-04-13 Hitachi Ltd

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07190974A (ja) * 1993-12-27 1995-07-28 Teruaki Ito 植物成育用土壌の水分含有度監視装置
JP2014035269A (ja) * 2012-08-09 2014-02-24 Shibaura Institute Of Technology 打設されたコンクリートの養生中における品質判定方法及び養生終了時期判定方法並びに品質判定用型枠

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