JPH0126492B2 - - Google Patents
Info
- Publication number
- JPH0126492B2 JPH0126492B2 JP12340981A JP12340981A JPH0126492B2 JP H0126492 B2 JPH0126492 B2 JP H0126492B2 JP 12340981 A JP12340981 A JP 12340981A JP 12340981 A JP12340981 A JP 12340981A JP H0126492 B2 JPH0126492 B2 JP H0126492B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- counting
- flow rate
- ultrasonic
- outputs
- 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
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 8
- 238000012935 Averaging Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002604 ultrasonography Methods 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 |
---|---|---|---|
JP12340981A JPS5824815A (ja) | 1981-08-06 | 1981-08-06 | 超音波による流速、流量の測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12340981A JPS5824815A (ja) | 1981-08-06 | 1981-08-06 | 超音波による流速、流量の測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5824815A JPS5824815A (ja) | 1983-02-14 |
JPH0126492B2 true JPH0126492B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-05-24 |
Family
ID=14859835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12340981A Granted JPS5824815A (ja) | 1981-08-06 | 1981-08-06 | 超音波による流速、流量の測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5824815A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-08-06 JP JP12340981A patent/JPS5824815A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5824815A (ja) | 1983-02-14 |