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1. What is the wiring method of the flowmeter? The wiring method of the flowmeter may vary depending on the type and brand. Here are two common wiring methods for flow meters for your reference.
1. Wiring method for split type flow meters: As shown in the above figure, the sensor and accumulator of the split type flow meter are installed separately and connected through signal cables. When wiring, it is necessary to connect the output signal of the sensor to the input terminal of the integrator. Generally speaking, the wiring method of a split type flowmeter is relatively simple. Simply connect the corresponding signal line to the integrator.
2. Wiring method of an integral flowmeter: As shown in the diagram, the integral flowmeter integrates the sensor and integrator together without the need for signal cables.
. When wiring, it is necessary to connect the output signal of the sensors dead end finger to the input terminal of the integrator. The wiring method of the integral flowmeter is relatively simple, just connect the corresponding signal line to the accumulator. It should be noted that different types of flow meters have different wiring methods, so it is necessary to carefully read the user manual of the flow meter before wiring to understand the correct wiring method. At the same time, safety should be taken into account during the wiring process to avoid contact with live parts or dangerous operations.2. What are the representation methods of various types of flow meters in PID process diagrams?
The common representation methods of flow meters in P&ID (Process Piping and Instrument Diagram) mainly use exclusive graphic symbols to match the instrument tag area. The specific expl
2. Turbine flowmeter symbol: represented by a circular symbol with blades, with corresponding instrument tag numbers marked on the side. Working logic: The fluid impacts the turbine blades to rotate, and the turbine speed is proportional to the fluid flow rate. Flow data can be obtained by detecting the speed. Electromagnetic flowmeter symbol: represented by a rectangular or circular symbol with electrodes, with corresponding instrument tag numbers marked on the side. Working logic: Based on the principle of electromagnetic induction, when a conductive liquid flows through a magnetic field, an induced electromotive force is generated. The flow rate can be determined by measuring the electromotive force.
4. Vortex flowmeter symbol: represented by a symbol with the vortex Tucson basis, with the corresponding instrument tag number marked on the side. Working logic: When a fluid flows through a vortex generator, periodic vortices are generated, and the vortex frequency is related to the fluid flow rate. By detecting the vortex frequency, the flow rate can be calculated.
3. Illustration of Electromechanical 2022- Pressure Collection Method of Orifice Flow Meter
Illustration of Electromechanical 2022- Pressure Co
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