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1. What are the flow meters that can replace electromagnetic flow meters with similar accuracy?
Flow meters that can replace electromagnetic flow meters with similar accuracy mainly include vortex flow meters, turbine flow meters, Coriolis mass flow meters, and ultrasonic flow meters, which need to be selected according to the type of medium and working conditions.
1. Vortex flowmeter 1 Accuracy performance: Under conventional range ratio, the accuracy can reach ± 0.5%~± 1.0%, which is basically the same as that of conventional industrial grade electromagnetic flow meters.
2. Adaptation to alternative scenarios: It can measure clean and tidy liquids, gases, and vapors, without being limited by the conductivity of the medium, making up for the limitation of electromagnetic flow meters that can only measure conductive liquids. However, it cannot be rolled or lifted for measurements containing a large number of solid particles and highly viscous media, and it is necessary to ensure full pipe operation of the pipeline.
2. Turbine flowmeter 1 Accuracy performance: The conventional industrial grade accuracy is ± 0.2%~± 0.5%, which is comparable to the accuracy of most electromagnetic flowmeters; High precision level can reach ± 0.1%~± 0.2%, which is better than conventional electromagnetic flow meters.
2. Adaptation to alternative scenarios: only suitable for clean low viscosity single-phase liquids, such as pure water, diesel, etc., cannot adapt to media containing impurities and high viscosity, requiring full pipe installation, suitable for replacing electromagnetic flow meters to measure non-conductive clean liquids.
.III. Coriolis Mass Flow Meter 1 Accuracy performance: The a
4. Ultrasonic flowmeter 1 Accuracy performance: The accuracy of the pipe section ultrasonic flowmeter can reach ± 0.5%~± 1.0%, which is consistent with the accuracy of the electromagnetic flowmeter; The precision of the external clamp type ultrasonic flowmeter is about ± 1.0%~± 1.5%, which meets the requirements of conventional industrial metrology.
2. Adaptation to alternative scenarios: the pipe section type requires full pipe installation and can measure clean or slightly impurity containing liquids, whether conductive or non-conductive.
; The external clamp type does not require pipe breaking openings, making it suitable for the renovation of existing pipelines and avoiding the limitations of electromagnetic flow meters that require built-in electrodes and pipe breaking installation.2. Not very familiar with turbine flow meters and not knowing how to choose, seeking selection methods
In the various instrument product inquiries we receive, the proportion of inquiries about selection is very high. Indeed, industrial instruments seem simple, but if we delve deeper,
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