JPH0324608B2 - - Google Patents
Info
- Publication number
- JPH0324608B2 JPH0324608B2 JP12881181A JP12881181A JPH0324608B2 JP H0324608 B2 JPH0324608 B2 JP H0324608B2 JP 12881181 A JP12881181 A JP 12881181A JP 12881181 A JP12881181 A JP 12881181A JP H0324608 B2 JPH0324608 B2 JP H0324608B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- frequency
- frequency divider
- flow rate
- flow
- 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
- 239000012530 fluid Substances 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 description 22
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12881181A JPS5832123A (ja) | 1981-08-19 | 1981-08-19 | 超音波流量計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12881181A JPS5832123A (ja) | 1981-08-19 | 1981-08-19 | 超音波流量計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5832123A JPS5832123A (ja) | 1983-02-25 |
| JPH0324608B2 true JPH0324608B2 (enExample) | 1991-04-03 |
Family
ID=14993999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12881181A Granted JPS5832123A (ja) | 1981-08-19 | 1981-08-19 | 超音波流量計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832123A (enExample) |
-
1981
- 1981-08-19 JP JP12881181A patent/JPS5832123A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5832123A (ja) | 1983-02-25 |
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