The structure and principle of the capacitive target flowmeter scale

Abstract: the structure and principle of the capacitive target flowmeter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The structure and principle of the capacitive target flowmeter, structure: 1 WST series capacitance target flowmeter is mainly by the measuring tube ( The shell) , the new type of capacitive force sensor ( Including the choke element) Parts, integrating display and output. According to the different medium and conditions,. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the structure and principle of the capacitive target flowmeter scale article details. The structure and principle of the capacitive target flowmeter, structure: 1 WST series capacitance target flowmeter is mainly by the measuring tube ( The shell) , the new type of capacitive force sensor ( Including the choke element) Parts, integrating display and output. According to the different medium and condition, must choose appropriate to the capacitive force sensor, therefore, provide accurate object and parameter measurement, and the manufacturer chooses suitable capacitance force sensor is the key of the products can be accurate measurement. The structure below. 2, how it works: when the medium in the measurement of pipe flow, the kinetic energy through the choke because of its own. ( Electronic target) Occurs when the pressure difference, and to choke a force, the size of the force is proportional to the square of the velocity with the media, its mathematical expression is as follows: F = CdAP· V2/2… … … … … … (1) in the type: F— — Choke a force of ( Kg） Cd— — Drag coefficient A&mdash objects; — Choke on the measuring tube axial projection area ( mm2） P— — Under the condition of medium density ( Kg/m3） v— — Medium average flow velocity in the measuring tube ( m/s） Choke ( Target) Accept the force F, the passing by the rigid connection. ( Rod) To capacitive force sensor, capacitive force sensor voltage signal output: V = KF… … … … … … In 2 type: V— — Capacitive force sensor output voltage ( mV） ,K— — Proportionality constant, F— — Choke ( Electronic target) The force ( Kg） Thus, the voltage signal after preamplifier, AD conversion and computer treatment, obtains the corresponding instantaneous flow and cumulative amount, the above is all there is in this article, you are welcome to inquire me factory flowmeter selection, quotation, etc.

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