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  • Home > Products > Electronics & Electricity > Electronic Components > Speaker,Trumpet & Buzzer

    Impedance analyzer 1Impedance analyzer 2Impedance analyzer 3Impedance analyzer 4
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    Impedance analyzer

    Origin:Made In China
    Category:Electronics & Electricity / Electronic Components / Speaker,Trumpet & Buzzer
    Label:impedance analyzer , HP 4294 , Frequency
    Price: US $2000 / pc
    Min. Order:1 pc
    Inquire Now Add to Basket

    Member Information


    Wuxi MQ Ultrasonic Electric Co., Ltd

    Biz MemberJiang Su - China
    Live Chat:點擊這里給我發消息Last Online:31 Jul, 2023

    Product Description

    MQ Instruments PV-80A


    PV-80A Impedance analyzer—Detect all ultrasonic related parameters, application for underwater acoustic area and High Power ultrasonic area such as  piezoceramic, piezoelectric crystal, ultrasonic transducer, converter, ultrasonic welding, ultrasonic sensor and so on.











    Operation window:






    Users can judge the elements from the impedance diagram directly.



    Fig1: the normal element diagram        Fig2: abnormal element diagram

    2) Parameters:

    Fs: mechanical resonance frequency: The working frequency of ultrasonic system, it should reach the expectation value as much as possible in the design; also, it should be matched with the ultrasonic power.


    C0: The capacitance of static branch in the equivalent circuit of piezoelectric elements. Balancing the C0 properly can increase the factor of ultrasonic power.


    Qm: Mechanical quality factor. When Qm is higher, the efficiency of system is higher. Yet, if Qm value is too high to be matched with the ultrasonic power, the system cannot run efficiently. Qm needs to be set within the proper range. Generally, Qm of ultrasonic cleaning transducer is between 500 and 1000. For ultrasonic welding system, Qm is between1500 and 2500.


       R1: the dynamic resistance, it should be as lower as possible in the same condition.



     Admittance circle diagram

                                                 Logarithm coordinates diagram              Equivalent circuit        



    Basic principle:





    Half-power point, F1, F2. From diagram we can find, there have two frequency in F2>Fs>F2,Gmax/2=(F1,F2) 


    4FpFP is the max impedance for piezoceramic transducer. 

    5Qm Qm=,or  Qm


    6 CTCT reflect the activity capacity for  the pizoceramic under 1KHZ.

    7R1 R11Gmax, Gmax is the max admittance.

    8)    L1 :





    10C0 C0CTC1,





    This factor only used in piezoceramic .







    Frequency range



    Frequency accuracy


    Measuring accuracy


    Impedance Range


    Frequency Step


    Measuring speed

    (One element)

    10 sec/one 

    5 sec/one

    Using spot

    Hydro acoustic area

    High Power ultrasonic area


    The difference between our Impedance Analyzer with the Agilent Impedance Analyzer:

    Our Impedance Analyzer can completely replace  Agilent 4294, it also has advantages, such as: low cost, easy operation, friendly software interface. 



    PC requirements


    Operation systems: Microsoft Windows 2000, XP

    Nearly have no request for your computer in RAM, hard disk space. Use USB port, graphics card with 800*600 or above.





    There are no special skills required by workers. The measuring result can be obtained by just pushing one key.



    Lead Time:7

    Product Image

    Impedance analyzer 1
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    Impedance analyzer 2
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    Impedance analyzer 3
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    Impedance analyzer 4
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    Send Inquiry to this Member

    Wuxi MQ Ultrasonic Electric Co., Ltd

    1210 room,No.100 Dicui Road Binhu District, Wuxi, China

    Annie.xia (Manager)

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