JPS61169732A - 水晶式気体圧力計 - Google Patents
水晶式気体圧力計Info
- Publication number
- JPS61169732A JPS61169732A JP60009776A JP977685A JPS61169732A JP S61169732 A JPS61169732 A JP S61169732A JP 60009776 A JP60009776 A JP 60009776A JP 977685 A JP977685 A JP 977685A JP S61169732 A JPS61169732 A JP S61169732A
- Authority
- JP
- Japan
- Prior art keywords
- meter
- variable resistor
- resonance
- amplifier
- resistor
- 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.)
- Granted
Links
- 239000010453 quartz Substances 0.000 title description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title description 3
- 239000013078 crystal Substances 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 230000007935 neutral effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60009776A JPS61169732A (ja) | 1985-01-22 | 1985-01-22 | 水晶式気体圧力計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60009776A JPS61169732A (ja) | 1985-01-22 | 1985-01-22 | 水晶式気体圧力計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61169732A true JPS61169732A (ja) | 1986-07-31 |
JPH042894B2 JPH042894B2 (enrdf_load_stackoverflow) | 1992-01-21 |
Family
ID=11729645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60009776A Granted JPS61169732A (ja) | 1985-01-22 | 1985-01-22 | 水晶式気体圧力計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61169732A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01223322A (ja) * | 1988-03-03 | 1989-09-06 | Tokyo Electric Co Ltd | 圧力センサ回路における出力電圧調整方法 |
-
1985
- 1985-01-22 JP JP60009776A patent/JPS61169732A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01223322A (ja) * | 1988-03-03 | 1989-09-06 | Tokyo Electric Co Ltd | 圧力センサ回路における出力電圧調整方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH042894B2 (enrdf_load_stackoverflow) | 1992-01-21 |
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