JPH0436438U - - Google Patents
Info
- Publication number
- JPH0436438U JPH0436438U JP7772190U JP7772190U JPH0436438U JP H0436438 U JPH0436438 U JP H0436438U JP 7772190 U JP7772190 U JP 7772190U JP 7772190 U JP7772190 U JP 7772190U JP H0436438 U JPH0436438 U JP H0436438U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- container
- measuring device
- ultrasonic generator
- vacuum
- 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
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の真空度測定装置の模式図であ
る。 １……密閉容器、２……超音波発信器、３……
超音波受信器、４……測定装置、５……演算処理
装置。
る。 １……密閉容器、２……超音波発信器、３……
超音波受信器、４……測定装置、５……演算処理
装置。
Claims (1)
- 密閉容器と、超音波を発生せしめる超音波発生
器と、前記容器を挟んで前記超音波発生器に対向
して配された超音波受信器と、前記超音波発生器
と前記超音波受信器とに電気的に接続され、前記
容器内を伝播する超音波に速度、又は強さを測定
する測定装置と、前記測定値に基づいて、前記容
器内の真空度を求める演算をする演算処理装置と
、を備えることを特徴とする真空度測定装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7772190U JPH0436438U (ja) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7772190U JPH0436438U (ja) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436438U true JPH0436438U (ja) | 1992-03-26 |
Family
ID=31620370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7772190U Pending JPH0436438U (ja) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436438U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011016081A (ja) * | 2009-07-09 | 2011-01-27 | Is Engineering:Kk | 超音波強度監視装置 |
-
1990
- 1990-07-20 JP JP7772190U patent/JPH0436438U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011016081A (ja) * | 2009-07-09 | 2011-01-27 | Is Engineering:Kk | 超音波強度監視装置 |
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