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『Characteristics of rotor flowmeter』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)
1. Differences between Orifice Flow Meter, Venturi Flow Meter, and Rotary Flow Meter
Orifice Flow Meter, Pitot Tube, Venturi Flow Meter, and Rotary Flow Meter are all tools used to measure flow rate, but there are some differences in their working principles, scope of application, measurement accuracy, and service life due to chain cracking. 1. Working principle: The orifice flowmeter measures the flow rate by utilizing the local pressure difference generated by the orifice plate holes. The pitot tube utilizes relative motion between a fluid in motion and a stationary object to measure velocity and flow rate. The Venturi flowmeter measures the flow rate by utilizing the pressure difference generated by the high-speed moving fluid in the contraction section of the pipeline. Rotary flowmeter uses the volume of liquid flowing through the rotor to achieve flow measurement. Scope of application: Orifice flowmeter is suitable for measuring medium and high viscosity liquids and gases. Pitot tubes can measure the flow rate and flux of various liquids and gases. The Venturi flowmeter is suitable for measuring low to medium viscosity liquids and gases, with minimal pressure loss in shed pipelines and higher accuracy than orifice plates under large pipe diameter conditions. Rotary flow meters are suitable for measuring liquids and gases with high viscosity. Measurement accuracy: Generally speaking, the accuracy of rotary flow meters is relatively high, and the measurement accuracy of orifice flow meters under low flow rate and high viscosity fluid conditions will be greatly affected. The manufacturing cost of Venturi flow meters is relatively high. In general, orifice flow meters have a longer service life and are cheape
2. The difference between metal rotor flowmeter and metal float flowmeter
The main differences between metal rotor flowmeter and metal float flowmeter are reflected in their characteristics, measurement principles, and applicable scenarios.
.1. Different characteristics: Metal float flowmeter: very suitable for measuring small pipe diameters and low flow rates on site, with low requirements for straight pipe sections.
. Its structure is simple, maintenance is minimal, and the cost is relatively reasonable. Metal rotor flowmeter: It is more adaptable to complex and difficult to cope with on-site environments that ordinary instruments cannot handle, and is more suitable for measurement in the industrial field.Secondly, the measurement principle is slightly different. Metal float flowmeter: Its principle is that in the vertical measuring tube of the flowmeter, when the fluid flows through, the float will float upward.
. At a certain position, the lift and gravity exerted on the float reach equilibrium. At this moment, the annular gap area is directly proportional to the rising height of the float, so the position of the float at a certain height represents the actual flow rate. Metal rotor flowmeter: Its working principle is that when the float floats up and down, the position is transmitted to an external indicator th