JPS5356074A - Measuring apparatus of acoustic emission - Google Patents

Measuring apparatus of acoustic emission

Info

Publication number
JPS5356074A
JPS5356074A JP13052276A JP13052276A JPS5356074A JP S5356074 A JPS5356074 A JP S5356074A JP 13052276 A JP13052276 A JP 13052276A JP 13052276 A JP13052276 A JP 13052276A JP S5356074 A JPS5356074 A JP S5356074A
Authority
JP
Japan
Prior art keywords
measuring apparatus
acoustic emission
conversion element
corresponded
inspecting
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
JP13052276A
Other languages
Japanese (ja)
Inventor
Takao Yoneyama
Ichiya Satou
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 JP13052276A priority Critical patent/JPS5356074A/en
Publication of JPS5356074A publication Critical patent/JPS5356074A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

PURPOSE: To accurately discriminate AE signal, by providing the dummy conversion element, corresponded to the number of conversion element, at AE measuring apparatus, inspecting the defect by elastic wave from the material construction.
COPYRIGHT: (C)1978,JPO&Japio
JP13052276A 1976-11-01 1976-11-01 Measuring apparatus of acoustic emission Pending JPS5356074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13052276A JPS5356074A (en) 1976-11-01 1976-11-01 Measuring apparatus of acoustic emission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13052276A JPS5356074A (en) 1976-11-01 1976-11-01 Measuring apparatus of acoustic emission

Publications (1)

Publication Number Publication Date
JPS5356074A true JPS5356074A (en) 1978-05-22

Family

ID=15036300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13052276A Pending JPS5356074A (en) 1976-11-01 1976-11-01 Measuring apparatus of acoustic emission

Country Status (1)

Country Link
JP (1) JPS5356074A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020039551A1 (en) * 2018-08-23 2020-02-27 三菱電機エンジニアリング株式会社 Operation fluctuation detection device and abnormality decision system
JPWO2019123635A1 (en) * 2017-12-22 2020-04-02 三菱電機エンジニアリング株式会社 Operation fluctuation detection device and abnormality determination system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2019123635A1 (en) * 2017-12-22 2020-04-02 三菱電機エンジニアリング株式会社 Operation fluctuation detection device and abnormality determination system
WO2020039551A1 (en) * 2018-08-23 2020-02-27 三菱電機エンジニアリング株式会社 Operation fluctuation detection device and abnormality decision system

Similar Documents

Publication Publication Date Title
JPS5356074A (en) Measuring apparatus of acoustic emission
JPS52122446A (en) Circuit tester
JPS52119970A (en) Sound measuring apparatus
JPS5250281A (en) Tension testing method for rubber
JPS53128238A (en) Velocity test system
JPS5355057A (en) Measuring apparatus of multipoint temperature
JPS5425786A (en) Repeated bending tester
JPS5220076A (en) Dew-point measurement device
JPS5213379A (en) Spectrophtometer
JPS5441783A (en) Method and apparatus for detection of ultrasonic wave receiving signals
JPS51129197A (en) Continuity test circuit of fire alarm
JPS52120032A (en) Apparatus for measuring physical strength
JPS52143881A (en) Ultrasonic flaw detection output evaluating device
JPS5227676A (en) Oscilloscope for observating digital signals
JPS52104285A (en) Ultrasonic reflectoscope
JPS5322754A (en) Digital dis play device inspecting apparatus
JPS52147477A (en) Frequency analyzer
JPS5346067A (en) Ultrasonic detector
JPS53110888A (en) Humidity measuring apparatus
JPS51113782A (en) Wire-products detection method
JPS52134491A (en) Ultrasonic defect scanning method
JPS5335591A (en) Sound diagnosing apparatus
JPS5346784A (en) Multiplex measuring method for number of vibration
JPS51144287A (en) Ultrasonic wave flaw detector
JPS5315168A (en) Pulse separation measuring system