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1. What are the types of quality flow meters?
2. Flow meters with PID function.
Flow meters with PID function are mainly used in industrial automation scenarios that require accurate flow control and regulation. They achieve stable flow at the set value through built-in or external PID controllers. 1. Common types and characteristics of digital mass flow meters: using the Coriolis principle, directly measuring mass flow rate, high accuracy (gas ± 0.5% F.S, liquid ± 0.25% F.S), not affected by fluid characteristics, integrated PID controller and quantitative control function, suitable for high-precision quantitative feeding or batching control. Vortex flowmeter: By detecting vortex frequency to calculate flow rate, it has a simple structure and high reliability. It requires an external PID controller to adjust the flow rate through parameter tuning (proportional, integral, derivative). It is suitable for flow control of steam, gas, and liquid. Electromagnetic flowmeter: Based on Faradays law of electromagnetic induction, it measures the flow rate of conductive liquids, is easy to maintain, and eliminates errors through PID closed-loop control algorithm (proportional, integral, and differential links cooperate). It is widely used in process control such as water treatment and chemical engineering. 2. Core function implementation method: Built in PID controller: such as ACU20FE digital mass flowmeter, directly integrates control algorithm and output interface, simplifies system structure. External PID controller: For example, vortex or electromagnetic flow meters need to be equipped with an independent PID controller, which transmits flow data through 4-20mA or pulse signals. The controller calculates and
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3. Application scenarios: Chemical and pharmaceutical industries
3. Emerson Mass Flow Meter Specifications
The specifications of Emerson mass flow meters vary depending on the model, but their general performance and some typical model configurations can provide you with clear references.
. 1. General specification measurement accuracy: The accuracy of liquid measurement is between 0.1% and 0.05%, and