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01
2023-08
How does RAEM1 analog filter works? Can I change the analog filters?
RAEM1 has analog filters built in hardware, 30kHz or 125kHz in the high pass, and 80kHz or 175kHz in the low pass....
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26
2023-07
What is Acoustic Emission (Acoustic Wave)?
Acoustic emission ( AE ) is the phenomenon of radiation of acoustic (elastic) waves in solids that occurs when a material undergoes irreversible changes in its internal structure....
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04
2023-04
How do you measure the speed of sound?
When acoustic emission detection involves Location , the sound velocity used is generally compound wave velocity, which needs to be measured on site. Generally, two sensors in the same array arranged on the tested component are used to calculate the r...
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04
2023-04
How to test the sensitivity of the channel?
Only parameter data is collected, and the Threshold in Hit Feature of all channels is set to 50dB for data collection....
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03
2023-04
How to configure the RAEM series products?
There are 2 ways to configure the RAEM series products....
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29
2023-03
What is the difference between acoustic emission technology and ultrasonic detection technology?
Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. In most common UT applications, very short ultrasonic pulse-waves with center frequencies ranging ...
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29
2023-03
Is the AE sensor customizable? What are the requirements? How long is the delivery time?
Yes. Qingcheng AE can customize special acoustic emission sensors according to customer requirements....
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28
2023-03
What is the supply voltage of the RAEM series monitor?
RAEM monitor can supply power to the integral preamplifier sensor, but unlike the adjustable supply voltage of the SAEU3H, the supply voltage of the RAEM is not adjustable, and we will setup the supply voltage according to the sensor selected by the c...
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27
2023-03
What is the difference between integral preamp sensor and general type sensor?
General type sensor: the sensor is generally composed of a shell, protective film, piezoelectric element, damping block, connecting wire and high frequency socket. There is no signal preamplifier circuit inside. When the sensor is used, it needs to us...
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27
2023-03
Is the AE sensor compatible with acquisition boards from other companies like PAC or VALLEN?
AE sensor converts the displacement signal of the object surface into the analog voltage signal through the piezoelectric effect, and then amplifies the signal and transmits it to the data acquisition board through the preamplifier. ...