JPS5827019A - 超音波流量測定装置 - Google Patents
超音波流量測定装置Info
- Publication number
- JPS5827019A JPS5827019A JP56124707A JP12470781A JPS5827019A JP S5827019 A JPS5827019 A JP S5827019A JP 56124707 A JP56124707 A JP 56124707A JP 12470781 A JP12470781 A JP 12470781A JP S5827019 A JPS5827019 A JP S5827019A
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- frequency
- counter
- time
- measured
- 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
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
-
- 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
- G01F1/668—Compensating or correcting for variations in velocity of sound
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56124707A JPS5827019A (ja) | 1981-08-11 | 1981-08-11 | 超音波流量測定装置 |
DE19823230399 DE3230399A1 (de) | 1981-08-11 | 1982-08-11 | Durchflussmesseinrichtung nach dem ultraschallprinzip mit zwei oszillatoren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56124707A JPS5827019A (ja) | 1981-08-11 | 1981-08-11 | 超音波流量測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5827019A true JPS5827019A (ja) | 1983-02-17 |
JPH0260967B2 JPH0260967B2 (enrdf_load_stackoverflow) | 1990-12-18 |
Family
ID=14892101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56124707A Granted JPS5827019A (ja) | 1981-08-11 | 1981-08-11 | 超音波流量測定装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5827019A (enrdf_load_stackoverflow) |
DE (1) | DE3230399A1 (enrdf_load_stackoverflow) |
-
1981
- 1981-08-11 JP JP56124707A patent/JPS5827019A/ja active Granted
-
1982
- 1982-08-11 DE DE19823230399 patent/DE3230399A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPH0260967B2 (enrdf_load_stackoverflow) | 1990-12-18 |
DE3230399A1 (de) | 1983-03-03 |
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