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AE Sensor

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    Guide Line for AE Sensor Selection

    Brief instruction of sensors:

    Sensor models are complete for customers’ different needs, so as to meet different application demands of acoustic emission detection.

    In terms of acoustic emission position, most actual application is in the stable metallic structure, for example: pressure vessels. The anisotropy of this material is relatively small, as well as the attenuation coefficient of acoustic wave, frequency band range is between 25KHz~750KHz.It is suitable to choose resonant sensors.

    Resonant narrow-band sensors are widely used for testing acoustic emission signals in engineering materials, which are under the condition of metallic material application and other using conditions.

    Resonant narrow-band sensors have high sensitivity and SNR, which are cheap, and have different specifications. On the occasion of knowing the basic characteristics of sound source propagation, if customer who want to process or enhance the systematic sensitivity once acquired the sound signals within a range of frequencies, it is better to choose appropriate resonant sensors, for example, sound localization. 

    It should be pointed out that the so-called resonant narrow-band sensor is not only sensitive to a certain frequency signal, but to a certain frequency band, once to the other frequency band, the signal sensitivity is low.


    声发射探头定制

    Model (New)

    Model (Old)

    Resonant frequency

    Frequency range

    Sensitivity peak

    Built-in Pre-amplifier

    Using temperature

    Size mm

    Using temperature

    Housing material

    Receiving surface material

    Protection grade

    Interface type

    Interface position

    W800/1

    CG80

    800KHz

    50KHz~800KHz

    >65dB

    /

    -20~80℃

    Φ19×15

    -20~80℃

    SUS-304

    ceramic

    IP68

    BNC

    opposite side of the cable

    W800

    SR800

    600KHz

    50KHz~800KHz

    >65dB

    /

    -20~80℃

    Φ19×15

    -20~80℃

    SUS-304

    ceramic

    IP62

    M5

    side face

    W500/1

    CG50

    500KHz

    100-1000kHz

    >65dB

    /

    -20~120℃

    Φ19×15

    -20~120℃

    SUS-304

    ceramic

    IP68

    BNC

    opposite side of the cable

    WM500/1

    MG50

    500KHz

    100-1000kHz

    >65dB

    /

    -20~50℃

    Φ4.7×4.0

    -20~50℃

    SUS-304

    ceramic

    IP68

    BNC

    opposite side of the cable

    W500

    WG50

    500KHz

    100-1000kHz

    >65dB

    /

    -20~120℃

    Φ19×15

    -20~120℃

    SUS-304

    ceramic

    IP62

    M5

    side face

    G150

    SR150M

    150KHz

    60KHz~400KHz

    ﹥75dB

    /

    -20~120℃

    Φ19×15

    -20~120℃

    SUS-304

    ceramic

    IP62

    M5

    side face

    G150/1

    CG15

    150KHz

    60KHz~400KHz

    ﹥75dB

    /

    -20~120℃

    Φ19×15

    -20~120℃

    SUS-304

    ceramic

    IP68

    BNC

    opposite side of the cable

    LS150 5VDC

    LG15

    150KHz

    60KHz~400KHz

    >65dB

    26dB5V

    -20~50℃

    Φ22×25.5

    -20~50℃

    SUS-304

    ceramic

    IP62

    SMA

    side face

    GIS150

    LG15

    150KHz

    60KHz~400KHz

    >65dB

    26dB5V

    -20~50℃

    Φ22×25.5

    -20~50℃

    SUS-304

    ceramic

    IP62

    SMA

    side face

    GI150/1

    PG15

    150KHz

    60KHz~400KHz

    ﹥115dB

    40dB28V

    -20~50℃

    Φ22×25.5

    -20~50℃

    SUS-304

    ceramic

    IP62

    SMA

    side face

    GI150

    SRI150

    150KHz

    60KHz~400KHz

    ﹥115dB

    40dB28V

    -20~50℃

    Φ30×36.5

    -20~50℃

    SUS-304

    ceramic

    IP62

    BNC

    side face

    G150/2

    XG15

    150KHz

    60KHz~400KHz

    >70dB

    /

    -20~120℃

    Φ19×19.5

    -20~120℃

    SUS-304

    SUS-304

    IP68

    BNC

    opposite side of the cable

    GH150

    HG15c

    150KHz

    60~400KHz

    >63dB

    /

    -20~600℃

    Φ19×19.5

    -20~600℃

    Stainless invar

    Stainless invar

    IP68

    BNC

    opposite side of the cable

    GD150

    DG15

    150KHz

    60~400KHz

    ﹥65dB

    /

    -20-120℃

    Φ19×19.5

    -20-120℃

    SUS-304

    ceramic

    IP68

    BNC with two cores

    opposite side of the cable

    GM150

    SR150S

    150kHz

    70kHz-280kHz

    >68dB

    /

    -20~120℃

    Φ7.8×19

    -20~120℃

    SUS-304

    ceramic

    IP62

    M5

    Top side

    G80

    G8

    80KHz

    20KHz~180KHz

    ﹥70dB

    /

    -20~80℃

    Φ19×19.5

    -20~80℃

    SUS-304

    ceramic

    IP62

    M5

    side face

    GI40/2

    BF40

    50KHz

    15KHz~70KHz

    ﹥115dB

    40dB28V

    -20~50℃

    Φ41×92

    -20~50℃

    SUS-304

    SUS-304

    IP68

    BNC

    opposite side of the top

    GI40

    SRI40

    50KHz

    15KHz~70KHz

    ﹥115dB

    40dB28V

    -20~50℃

    Φ30×57

    -20~50℃

    SUS-304

    ceramic

    IP62

    BNC

    side face

    G40

    SR40M

    40KHz

    15KHz~70KHz

    ﹥75dB

    /

    -20~120℃

    Φ22×36.8

    -20~120℃

    SUS-304

    ceramic

    IP62

    M5

    side face

    LS35 5VDC

    LG3

    35KHz

    15KHz~70KHz

    >65dB

    26dB5V

    -20~50℃

    Φ22×36.8

    -20~50℃

    SUS-304

    ceramic

    IP62

    SMA

    side face

    GIS35

    LG3

    35KHz

    15KHz~70KHz

    >65dB

    26dB5V

    -20~50℃

    Φ22×36.8

    -20~50℃

    SUS-304

    ceramic

    IP62

    SMA

    side face

    GI35

    PG3

    35KHz

    15KHz~70KHz

    ﹥115dB

    40dB28V

    -20~50℃

    Φ22×36.8

    -20~50℃

    SUS-304

    ceramic

    IP62

    SMA

    side face

    GD40

    DG4

    35KHz

    15KHz~70KHz

    >65dB

    /

    -20-120℃

    Φ22×25

    -20-120℃

    SUS-304

    ceramic

    IP68

    lemo with multi-cores

    opposite side of the cable

    G10

    SR10B

    /

    1Hz-15kHz

    >80dB

    /

    -20-120℃

    Φ31×38

    -20-120℃

    SUS-304

    ceramic

    IP62

    BNC

    side face

    G10/1

    SR10C

    /

    1Hz-15kHz

    >80dB

    /

    -20-120℃

    Φ31×38

    -20-120℃

    SUS-304

    ceramic

    IP62

    lemo wit single core

    side face

    GI10

    BE10

    /

    1Hz-15kHz

    ﹥115dB

    26dB5V

    -20~50℃

    Φ38.5×85

    -20~50℃

    SUS-304

    SUS-304

    IP68

    BNC

    opposite side of the top


    Download table of modle selection guide 

     


    Main characteristics:


    1.The models of the AE sensors are complete, cover application of various frequency band, temperature, size; 

    2.High sensitivity, good consistency, each sensor has been strictly tested before delivery

    3.Can be used under high temperature which achieves 600 degrees centigrade, sensitivity differences between high and normal temperature are small.

    4.Have special purpose modes which obtain built-in magnetic clamp、water proof and so on;

    5.The design engineers can design and make special sensors according to user’s demand at any time。

     
    Extended Reading:

    Secondary calibration of the AE sensors;

    Application methods of Acoustic sensors 、pre-amplifier

    Brief introduction of calibration system from Qingcheng AE Institute(Guangzhou)