JPH0385566U - - Google Patents

Info

Publication number
JPH0385566U
JPH0385566U JP14816789U JP14816789U JPH0385566U JP H0385566 U JPH0385566 U JP H0385566U JP 14816789 U JP14816789 U JP 14816789U JP 14816789 U JP14816789 U JP 14816789U JP H0385566 U JPH0385566 U JP H0385566U
Authority
JP
Japan
Prior art keywords
dielectric constant
meter
soil
control device
electrode plates
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
JP14816789U
Other languages
English (en)
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 JP14816789U priority Critical patent/JPH0385566U/ja
Publication of JPH0385566U publication Critical patent/JPH0385566U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す斜視図、第2
図は土壌の水分量と誘電率の関係を示す線図であ
る。 2……土壌、3……植物、5……散水管、6…
…駆動装置、7……バルブ、8,9……極板、1
1……誘電率計、12……誘電率信号、13……
制御装置、14……設定値、15……指令信号を
示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 所要の間隔を隔てて土壌に挿入する二枚の極板
    と、該二枚の極板間の静電容量の変化から誘電率
    を検出する誘電率計と、該誘電率計に接続され該
    誘電率計にて検出された誘電率から水分量を求め
    る制御装置と、該制御装置の指令信号により前記
    土壌に給水する散水管に備えられたバルブの開閉
    を制御する駆動装置とを備えたことを特徴とする
    土壌の水分監視装置。
JP14816789U 1989-12-22 1989-12-22 Pending JPH0385566U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14816789U JPH0385566U (ja) 1989-12-22 1989-12-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14816789U JPH0385566U (ja) 1989-12-22 1989-12-22

Publications (1)

Publication Number Publication Date
JPH0385566U true JPH0385566U (ja) 1991-08-29

Family

ID=31694629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14816789U Pending JPH0385566U (ja) 1989-12-22 1989-12-22

Country Status (1)

Country Link
JP (1) JPH0385566U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018110220A1 (ja) * 2016-12-12 2018-06-21 株式会社村田製作所 水分センサおよびそれを用いた圃場管理システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018110220A1 (ja) * 2016-12-12 2018-06-21 株式会社村田製作所 水分センサおよびそれを用いた圃場管理システム
JPWO2018110220A1 (ja) * 2016-12-12 2018-12-13 株式会社村田製作所 水分センサおよびそれを用いた圃場管理システム

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