JPH0338687Y2 - - Google Patents
Info
- Publication number
- JPH0338687Y2 JPH0338687Y2 JP1988022886U JP2288688U JPH0338687Y2 JP H0338687 Y2 JPH0338687 Y2 JP H0338687Y2 JP 1988022886 U JP1988022886 U JP 1988022886U JP 2288688 U JP2288688 U JP 2288688U JP H0338687 Y2 JPH0338687 Y2 JP H0338687Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- piezoelectric element
- pressure
- water
- moisture
- 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.)
- Expired
Links
Landscapes
- Measuring Fluid Pressure (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988022886U JPH0338687Y2 (OSRAM) | 1988-02-23 | 1988-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988022886U JPH0338687Y2 (OSRAM) | 1988-02-23 | 1988-02-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01126550U JPH01126550U (OSRAM) | 1989-08-29 |
| JPH0338687Y2 true JPH0338687Y2 (OSRAM) | 1991-08-15 |
Family
ID=31241402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988022886U Expired JPH0338687Y2 (OSRAM) | 1988-02-23 | 1988-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0338687Y2 (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH088440Y2 (ja) * | 1989-11-27 | 1996-03-06 | サンケイ理化株式会社 | 土壌水分測定器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5317079A (en) * | 1976-07-30 | 1978-02-16 | Toshiba Corp | Electrode selection method of semiconductor device |
-
1988
- 1988-02-23 JP JP1988022886U patent/JPH0338687Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01126550U (OSRAM) | 1989-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Marthaler et al. | A pressure transducer for field tensiometers | |
| CA2694399C (en) | Plant-controlled atmometer for measuring crop evapotranspiration | |
| CN103766198B (zh) | 灌溉控制系统 | |
| Richards | Soil suction measurements with tensiometers | |
| US4332172A (en) | Device for determining the pore water pressure in a soil | |
| CN102495196A (zh) | 一种用于水田的田间水分蒸散检测方法及装置 | |
| CN103091197A (zh) | 称重式蒸渗计 | |
| CN1945318A (zh) | 全自动地下水恒位补偿蒸渗仪 | |
| CN112444541A (zh) | 一种联合动态原位土壤检测的室内模拟实验系统及方法 | |
| US3871211A (en) | Tensiometer | |
| Harrison et al. | Irrigation scheduling methods | |
| JPH0338687Y2 (OSRAM) | ||
| Werner | Measuring soil moisture for irrigation water management | |
| CN207816967U (zh) | 一种智能土壤水势测定仪 | |
| CN106442205A (zh) | 一种潜水蒸发自动测定系统及方法 | |
| JP4840803B2 (ja) | 低水分領域における土壌水分測定方法及び測定装置 | |
| CN109030786A (zh) | 一种农田灌溉用水测量装置及测量方法 | |
| CN107328696B (zh) | 一种新型路面渗水仪及其测量方法 | |
| CN1198128C (zh) | 三筒补偿式蒸渗仪测量装置 | |
| US2801538A (en) | Soil moisture indicating gage | |
| CN2847267Y (zh) | 膜式张力计 | |
| CN108375666A (zh) | 一种基于土壤水势的农田灌溉监测装置及方法 | |
| JPS62108132A (ja) | 土壌および土壌代用材料などの中の水分の自動測定、記録、潅水装置 | |
| CN208313770U (zh) | 一种便捷式土壤渗透率测定装置 | |
| Matula et al. | Automated regulating and recording system for cylinder infiltrometers |