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
Links
- 239000002689 soil Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4118288U JPH01144854U (fr) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4118288U JPH01144854U (fr) | 1988-03-30 | 1988-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01144854U true JPH01144854U (fr) | 1989-10-04 |
Family
ID=31267629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4118288U Pending JPH01144854U (fr) | 1988-03-30 | 1988-03-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01144854U (fr) |
Cited By (2)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6216466B2 (fr) * | 1979-11-14 | 1987-04-13 | Hitachi Ltd |
-
1988
- 1988-03-30 JP JP4118288U patent/JPH01144854U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6216466B2 (fr) * | 1979-11-14 | 1987-04-13 | Hitachi Ltd |
Cited By (2)
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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