Shanxi Calibration and Certification Company - Insulation Calibration CNAS Accredited Body

Shitong Measurement offers a range of technical services including maintenance, upkeep, repair, and metrology, to assist you in better process control of instrument and equipment quality. Ensure that instruments and equipment remain in good condition throughout their lifecycle, reduce failure rates, enhance operational efficiency, and lower management costs. Product scope includes analytical instruments, electronic measuring instruments, precision measuring instruments, environmental testing equipment, medical equipment, etc. Repair cycle varies depending on the specific repair project, and within the repair cycle, backup machines and周转 machines can be provided. Minimize inconvenience caused by instrument and equipment repairs. Repair and maintenance items include: repair warranty, component-level repair: Offer component-level repair services for faulty instruments and equipment, avoiding the high cost of directly replacing the mainboard. Save repair costs for customers, polishing and adjustment services: Provide polishing and adjustment services for long-term thermal equipment.

The electromagnetic flow meter operates based on Faraday's law of electromagnetic induction. When the conductive fluid flowing through the measuring conduit moves at a velocity V, cutting magnetic flux lines with a flux density B, the induced electromotive force E detected between a pair of detection electrodes generates a voltage U, which can be expressed by the following equation: U = K·B·D·V. In this equation, U represents the signal voltage between the two detection electrodes, V; B is the magnetic flux density, T; D is the inner diameter of the measuring conduit, m; V is the average flow velocity, m/s; and k is a proportional constant. The instantaneous volume flow Q through the measuring conduit is given by: Q = π·D/(4·K·B)·U. Since the inner diameter of the measuring conduit is fixed and the excitation current is constant, the magnetic flux density B remains constant. Therefore, U is linearly related to Q, meaning the volume flow is proportional to the signal voltage between the electrodes. By measuring this value and converting it through a circuit, the volume flow Q can be determined.

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