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What Are The Classification Methods For Flowmeters?
Apr 28, 2018

Classified by measuring principle


    (1) Mechanics: The instruments belonging to this type of principle include differential pressure type and rotor type using Bernoulli's theorem; impulse type and movable tube type using momentum theorem; direct mass type using Newton's second law; use of fluids Targets of the momentum principle; turbines using angular momentum theorem; vortex-type, vortex-type using fluid oscillation principle; Pitot tube type using total static pressure difference, and positive displacement, enthalpy, trough, etc.


    (2) Electrical principle: The instruments used for this kind of principle include electromagnetic type, differential capacitive type, inductive type, strain resistance type and so on.


    (3) Acoustic principle: Ultrasonic type is used for flow measurement using acoustical principle. Acoustic type (shock wave type) etc.


    (4) Thermal principle: The use of thermal principles to measure the flow of heat, direct calorimetry, indirect calorimetry and so on.


    (5) Optical principle: Laser type, photoelectric type, etc. are instruments belonging to this type of principle.


    (6) Original in physics principle: nuclear magnetic resonance type, nuclear radiation type etc. are instruments belonging to this kind of principle.


    (7) Other principles: Marking principle (tracer principle, nuclear magnetic resonance principle), related principles, etc.


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    Add:Room410 Tower C, Jiahua Buiding NO.9 Shangdi 3 Street Haidian District, Beijing
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    Fax:+86-010-62967939
    Mobile:+86-13858586115
    E-mail:13858586115@163.com
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