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Characteristics of micro liquid flowmeter
Micro liquid flowmeter manufacturers compare micro total flow and general total flow measurement, summary micro total flow measurement has the following characteristics.
The liquid flow meter is normally calibrated for tap water and gas for steam.If some physical differences between specific measurement fluid mechanics and correction fluid mechanics are known and the measuring range is changed regularly, the pipe diameter flow meter of sun yat-sen university in guangzhou is still adjusted with appropriate index.But some small flow meter by viscosity and other fluid mechanical physical hazard, must be specifically used to correct the fluid mechanics.Fortunately, the total flow rate is small, so it is not difficult to correct with the specific use of fluid mechanics, but the school should give safety warning and air pollution when making hazardous fluid.
Characteristics of micro liquid flowmeter
Generally, the flow of pipeline is turbulent flow, and the flow meter is designed for the dynamic design of turbulent flow.
When measuring clean vapors and purified water, it is often not allowed to touch the hydrodynamics of the instrument panel components. For example, in semiconductor materials, the instrument panel should not be made of metal and laminated glass, only plastic.In fluid mechanics, it is not allowed to infiltrate cavitation fine particles in the subject moving parts.Flow meter commodity circulation safety channel to be as simple as possible, do not need to have storage (refers to the fluid in the body to gather unusually retention) position, to avoid the storage of material mildew.
Due to the increase of viscosity due to the small pipe diameter, ultrafine bubbles in the liquid tend to accumulate and increase in the whole process of pipe fluidity, making the marking unstable and the accuracy reduced.In fluid mechanics, the components of dust adhesion measurement also endanger the measurement value. For example, the accumulation of invisible adhesive layer on the oil level sensor of the float flowmeter will also endanger the measurement range.
Porcelain city Shanghai instruments co., LTD., the introduction of Germany Siemens numerical control processing center, make the tiny flowmeter is greatly increased, actually has reached world leading level, such as OVAL LSF40, many clients in Japan and the customer to know LSF40 flow range in 0.7 ~ 50 l/H, and porcelain xian CX - M5 - AL can achieve 0.3 ~ 60 l/H, the same 0.5% FS precision, another porcelain city gear is SS316L is qualitative, OVAL gear is plastic.
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