BISOPE series 95- Acceleration sensor (ICP)---------------------------------------------------------------------------------------------------------

The amount of charge generated from the transducer (sensor; converter) must express a subtle difference, so careful attention is required in the detailed measurement path. In particular, noise due to cable noise or installation errors can lead to fatal measurement errors. Recent measurement methods are more compact and accurate, and often include self-verification.

In particular, the external amplifier (charger type) system used in the past used an amplifier in the middle to amplify the small amount of charge and use it.

 

 

ICP Accelometer (Integrated circuit Piezoelectric type = IEPE)

 

 

 

Keywords: Vibration sensor, Acceleration sensor, Acceleration, Accelerometer, Piezoelectric effect, Piezoelectric element, Piezo, ICP

​#vibration education, #frequency analysis, #resonance measurement#vibration measuring instrument, #frequency setting, #Fmax, #maximum frequency, #sampling frequency, #sampling rate, #FFT, #3-axis vibration sensor, #acceleration sensor, #vibration education, #building vibration, #vibration measurement, #resonance analysis, #resonance measurement, #vibration monitoring, #vibration noise consulting  www.kCBM.kr,   https://blog.naver.com/vs72 , https://contents.premium.naver.com/bisope/visope

 

133 가속도센서3 ICP

가속도센서3 (ICP)

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Transducer(센서; 변환기)로부터 발생하는 전하량은 미세한 차이를 표현해 주어야 하므로 세심한측정경로상에 주의가 필요하다. 특히 케이블의 노이즈나 설치오류에 의한 잡음 등은 치명적인 측정오류로이어질 가능성이 있다. 최근의 계측방식은 보다 컴팩트하고 정확하며 자기검정이 포함된 경우가 많다. 특히 과거에 사용하던 외부증폭기(Charger type)시스템은 작은 전하량을 중간에 증폭기(Amplifier)를사용하여 전기량을 증폭하여 사용하였다.

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일반적으로 압전형 가속도계는내부에 증폭회로(ICP, IEPE)가 내장되어 있다. 외부에서증폭기를 사용하던 Charger type방식은 측정의 복잡함(별도의증폭기)에 의해 고온 용도의 측정이외에 더 이상 특히 사용되지 않게 되었다.

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관련 Tag

#진동센서, #가속도센서, #Acceleration, #Accelerometer, #압전효과, #압전소자, #Piezo, #ICP, #진동측정, #IEPE, #센서파워, #PCB, #hansford

진동센서, 가속도센서, Acceleration, Accelerometer, 압전효과, 압전소자, Piezo, ICP, 진동측정,IEPE, 센서파워, PCB, hansford

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VISOPE-진동소음 공진 변위 측정/분석/모니터링/교육 : 네이버 블로그

진동/소음/공진/변위/동하중/측정/결함원인/진동분석/건물진동소음/회전기계/구조진동/진동모니터링/공진분석/고유주파수/FFT/설비진단/조기결함/주파수분석/방진방음/플랜트설비/건물진동/공사장건설도로철도/계측장비센서/무선/진동소음센서/음향방출,SDT/ PDM,CBM,VMS,CMS/기계-구조-배관-건물-공사장-철도/모니터링시스템,MODAL/ODS/진동자격/기술자문/연구심의/교육강의/소음진동기술사/BISOPE/VISOPE,...www.kcbm.kr

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BISOPE series 85 Measurement and comparison of absolute and relative vi...

BISOPE series 85- Measurement and comparison of absolute and relative vibration--------------------------------------------------------

A shaft is a rotating body (Rotor) supported on the bearing of a casing (housing). As this shaft rotates, vibration may occur due to centrifugal force such as mass imbalance, or there may be vibration transmitted from the bearing. Then, what kind of vibration does the shaft vibration sensor installed by attaching to the casing to measure the vibration of the shaft measure? Does it always measure only the vibration of the shaft shaking? What if the sensor itself shakes.....? For example, if an earthquake occurs and vibration is transmitted to the shaft from the foundation to the casing and through the bearing, is the vibration of the stationary shaft dangerous? In reality, the shaft is not even rotating.....

 

Absolute vibration and relative vibration

 

Reference) Definitions and evaluation methods related to relative vibration and absolute vibration are well explained in ISO7919.

 

Key! Vibration Standard, ISO, Vibration Evaluation, Acceleration, Displacement, Absolute Vibration, Shaft Contact Vibration, Relative Vibration

#vibration education, #frequency analysis, #resonance measurement#vibration measuring instrument, #frequency setting, #Fmax, #maximum frequency, #sampling frequency, #sampling rate, #FFT, #3-axis vibration sensor, #acceleration sensor, #vibration education, #building vibration, #vibration measurement, #resonance analysis, #resonance measurement, #vibration monitoring, #vibration noise consulting  www.kCBM.kr,   https://blog.naver.com/vs72 , https://contents.premium.naver.com/bisope/visope

BISOPE series 84- Accelerometer calibration method----------------

Accelerometer is the most commonly used sensor for vibration measurement. It converts the vibration unit (displacement, velocity, acceleration) into a value (voltage, current) proportional to acceleration and outputs it, so it is also called ‘Acceleration pick up’ or ‘Transducer’. When purchasing a new acceleration sensor, you receive data on the calibrated sensitivity from the manufacturer and input the data into the measuring instrument (FFT, Machine analyzer) to measure it. The standard sensitivity is 10mV/g, 20, 100, 200, 1000, etc., and the calibrated sensitivity is indicated as 0.97mV/g, 19.8, 99,197, 998.5, etc. Even if it does not significantly violate the error of general measurement, calibration is absolutely necessary for precise measurement.

 

Accelometer calibration

 

There are many reasons for errors in measurement r............................

 

Key! Vibration sensor, acceleration sensor, Acceleration, Accelerometer, Calibration

#vibration education, #frequency analysis, #resonance measurement#vibration measuring instrument, #frequency setting, #Fmax, #maximum frequency, #sampling frequency, #sampling rate, #FFT, #3-axis vibration sensor, #acceleration sensor, #vibration education, #building vibration, #vibration measurement, #resonance analysis, #resonance measurement, #vibration monitoring, #vibration noise consulting  www.kCBM.kr,   https://blog.naver.com/vs72 , https://contents.premium.naver.com/bisope/visope

 

122 가속도센서의 교정방법

가속도센서의 교정방법 (Accelerometercalibration)

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가속도센서는 진동측정에 가장 많이 사용되는 센서로서 진동의 단위(변위, 속도, 가속도) 중에서가속도에 비례하는 값(전압, 전류)으로 변환 출력해 주므로 ‘Acceleration pick up’, ‘Transducer’로불리우기도 한다. 가속도센서를 신규로 구매하면 제작사에서 교정된 감도(Sensitivity)가적힌 자료를 함께 받아서 계측기(FFT, Machine analyzer)에 그 자료를 입력하여 측정하게된다. 이미 정해진 보통의 감도는 10mV/g, 20, 100, 200,1000등이며 교정된 감도는 예를 들어 0.97mV/g, 19.8, 99,197, 998.5등으로표기된다. 일반적인 측정의 오차에 크게 위배되지 않을지라도 정밀측정에는 반드시 교정(Calibration)이 필요하다.

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키워드	진동센서, 가속도센서, Acceleration, Accelerometer, 교정, Calibration

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VISOPE-진동소음 공진 변위 측정/분석/모니터링/교육 : 네이버 블로그

진동/소음/공진/변위/동하중/측정/결함원인/진동분석/건물진동소음/회전기계/구조진동/진동모니터링/공진분석/고유주파수/FFT/설비진단/조기결함/주파수분석/방진방음/플랜트설비/건물진동/공사장건설도로철도/계측장비센서/무선/진동소음센서/음향방출,SDT/ PDM,CBM,VMS,CMS/기계-구조-배관-건물-공사장-철도/모니터링시스템,MODAL/ODS/진동자격/기술자문/연구심의/교육강의/소음진동기술사/BISOPE/VISOPE,......www.kcbm.

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