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2. Is there a flow meter that can achieve measurement accuracy similar to electromagnetic flow meters
There are various flow meters that can achieve measurement accuracy similar to or even higher than electromagnetic flow meters, including vortex flow meters, volumetric flow meters, ultrasonic flow meters, Coriolis mass flow meters, etc. Different models are suitable for different media and working conditions.
1. Vortex flowmeter 1 Measurement accuracy: The precision of conventional hidden dust signals is ± 0.5%~± 1.0%, and high-precision customized models can reach ± 0.2%, which basically overlaps with the conventional precision range of electromagnetic flow meters.
2. Applicable conditions: Suitable for measuring clean gas, liquid, and vapor media, cannot be used for media containing a large number of solid particles or high viscosity, and can only measure unidirectional flow media, forming a scene complementarity with the requirement that electromagnetic flow meters must be matched with conductive media.
II. Positive displacement flowmeter 1 Measurement accuracy: The accuracy of high-precision volumetric flow meters such as elliptical gears and waist wheels can reach ± 0.1%~± 0.2%, and the accuracy of some trade settlement special models can exceed ± 0.05%, far exceeding the upper limit of precision of conventional electromagnetic flow meters
2. Applicable conditions: Only suitable for clean single-phase liquid media, with extremely high requirements for medium cleanliness, and cannot be used for simple limb fluids containing impurities and bubbles. It is commonly used in precise measurement scenarios of oil products and chemical raw materials.
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2. Applicable conditions: It can measure conductive and non-conductive liquids and gases, supports non-contact installation, does not require pipe breakage, and is suitable for large pipe diameter working conditions. However, when the medium contains bubbles and impurities, it will significantly affect the measurement accuracy.
4. Coriolis mass flowmeter 1 Measurement accuracy: The accuracy of conventional models is ± 0.1%~± 0.2%, while high-precision models can reach ± 0.05%. Not only can the accuracy be comparable to or even higher than electromagnetic flow meters, but it can also directly measure mass flow without additional compensation for density. 2. Applicable conditions: It can measure single-phase liquid, gas, and multiphase flow with small amounts of bubbles or solid particles, but it requires high installation vibration requirements and high procurement and maintenance costs, making it suitable for high-precision quality measurement scenarios.
3. What kind of flowmeter is used for measuring the flow rate of high viscosity liquids? High viscosity liquids can be measured using V-cone flow meters or orifice flow meters, regardless of the viscosity. 4. Can the liquid turbine flowmeter measure high viscosity liquids?
The commonly used Ziyou instrument series high viscosity liquid flowmeter has the functions of displaying cumulative flow rate, instantaneous flow rate, and returning to z
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