JPS56124018A - Zero-point adjustment method for ultrasonic flow meter - Google Patents

Zero-point adjustment method for ultrasonic flow meter

Info

Publication number
JPS56124018A
JPS56124018A JP2668080A JP2668080A JPS56124018A JP S56124018 A JPS56124018 A JP S56124018A JP 2668080 A JP2668080 A JP 2668080A JP 2668080 A JP2668080 A JP 2668080A JP S56124018 A JPS56124018 A JP S56124018A
Authority
JP
Japan
Prior art keywords
zero
point
control circuit
point adjustment
changed over
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.)
Pending
Application number
JP2668080A
Other languages
English (en)
Inventor
Ryuichi Kagaya
Takeshi Umehara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2668080A priority Critical patent/JPS56124018A/ja
Publication of JPS56124018A publication Critical patent/JPS56124018A/ja
Pending legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP2668080A 1980-03-05 1980-03-05 Zero-point adjustment method for ultrasonic flow meter Pending JPS56124018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2668080A JPS56124018A (en) 1980-03-05 1980-03-05 Zero-point adjustment method for ultrasonic flow meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2668080A JPS56124018A (en) 1980-03-05 1980-03-05 Zero-point adjustment method for ultrasonic flow meter

Publications (1)

Publication Number Publication Date
JPS56124018A true JPS56124018A (en) 1981-09-29

Family

ID=12200104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2668080A Pending JPS56124018A (en) 1980-03-05 1980-03-05 Zero-point adjustment method for ultrasonic flow meter

Country Status (1)

Country Link
JP (1) JPS56124018A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720236B1 (ko) 2002-08-05 2007-05-22 마츠시타 덴끼 산교 가부시키가이샤 유량 계측 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100720236B1 (ko) 2002-08-05 2007-05-22 마츠시타 덴끼 산교 가부시키가이샤 유량 계측 장치

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