JPH047460B2 - - Google Patents
Info
- Publication number
- JPH047460B2 JPH047460B2 JP58206725A JP20672583A JPH047460B2 JP H047460 B2 JPH047460 B2 JP H047460B2 JP 58206725 A JP58206725 A JP 58206725A JP 20672583 A JP20672583 A JP 20672583A JP H047460 B2 JPH047460 B2 JP H047460B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- signal
- dielectric constant
- differential pressure
- fluctuations
- 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 - Lifetime
Links
- 230000003068 static effect Effects 0.000 claims description 38
- 230000008859 change Effects 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 25
- 238000004364 calculation method Methods 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000012369 In process control Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010965 in-process control Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
- G01L9/125—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor with temperature compensating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58206725A JPS6098328A (ja) | 1983-11-02 | 1983-11-02 | 圧力・差圧伝送器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58206725A JPS6098328A (ja) | 1983-11-02 | 1983-11-02 | 圧力・差圧伝送器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6098328A JPS6098328A (ja) | 1985-06-01 |
| JPH047460B2 true JPH047460B2 (en]) | 1992-02-12 |
Family
ID=16528070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58206725A Granted JPS6098328A (ja) | 1983-11-02 | 1983-11-02 | 圧力・差圧伝送器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6098328A (en]) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3786487T2 (de) * | 1986-05-05 | 1993-11-18 | Texas Instruments Inc | Messfühler hoher Präzision. |
| JP4862376B2 (ja) * | 2005-12-07 | 2012-01-25 | 横河電機株式会社 | 圧力伝送器 |
| JP5445020B2 (ja) * | 2009-10-20 | 2014-03-19 | 横河電機株式会社 | 電子式差圧・圧力伝送器 |
| CN102168994B (zh) * | 2010-12-29 | 2013-01-09 | 沈阳仪表科学研究院 | 一种硅电容多参量差压传感器及静压影响补偿方法 |
-
1983
- 1983-11-02 JP JP58206725A patent/JPS6098328A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6098328A (ja) | 1985-06-01 |
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