How to adjust the sensitivity of vortex flowmeter correctly

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1. Installation steps for vortex flowmeter

According to your question, what you want to know is the installation steps for vortex flowmeter. This is a flow meter that uses the principle of fluid oscillation to measure flow, and its installation method is crucial for measurement accuracy. Core steps for installing vortex flowmeter 1 Installation environment selection • Vibration: The installation location should be far away from strong vibration sources, such as large pumps and compressors. If necessary, vibration reduction devices can be installed. • Pipeline: Ensure that there is a sufficiently long straight pipe section before and after the flowmeter. Typically, the length of the front straight pipe section is ≥ 20D (where D is the diameter of the pipeline), and the length of the rear straight pipe section is ≥ 5D to ensure that the fluid is fully developed and the flow state is stable. • Medium: The installation direction must be correct. When measuring liquids, the highest point of the pipeline should be avoided to prevent gas accumulation; When measuring gas, the lowest point of the pipeline should be avoided to prevent liquid accumulation; When measuring steam, it is recommended to use side installation or oblique installation, and install a drain valve

2. Installation direction and posture • It must be installed strictly in accordance with the arrow markings on the flowmeter housing and the direction of fluid flow. • The typical installation posture is horizontal pipeline installation, and the axis of the sensors sensing probe (piezoelectric crystal) should be parallel to the horizontal plane to avoid impurity deposition affecting sensitivity

3. Pipeline connection and sealing • Use flanges

or threaded connections that match the pipeline to ensure a tight and leak free connection. During installation, ensure that the center axis of the flowmeter is coaxial with the center axis of the pipeline, and the inner diameter of the sealing gasket should be slightly larger than the inner diameter of the pipeline. Do not protrude into the inner wall of the pipeline to avoid generating additional interference vortices. Electrical wiring: Strictly follow the requirements of the product manual for power and signal wiring. The signal line should use shielded cables and be laid separately in conduit, away from power cables, to reduce electromagnetic interference. • Ensure good grounding, usually requiring a grounding resistance of less than 10 Ω

5. Debugging and commissioning • After installation, all connection parts and wiring should be checked again before passing fluid. For measuring steam conditions, it is necessary to quickly observe the slow preheating pipeline and gradually open the valve to prevent the sensor from being damaged due to sudden temperature changes. After operation, check whether the output signal is stable and set parameters (such as range, density compensation, etc.) on the transmitter or secondary instrument according to the working conditions. Key precautions and potential hazards: It is strictly prohibited to install or disassemble instruments under pressure. It is necessary to ensure that there is no pressure in the pipeline and that the medium has been safely emptied. When installing in flammable and explosive environments, explosion-proof products must be selected and explosion-proof electrical installation specifications must be strictly followed. When measuring high-temperature media s

How to adjust the sensitivity of vortex flowmeter correctly

1. Installation steps for vortex flowmeter

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