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Mass flow meter installation and use experience - focus on microfluidic control technology

Generally speaking, since the mass flow meter is the most accurate and the most demanding instrument for the medium flow detection in the existing industrial production, it can directly detect the mass, density and temperature of the medium flowing through the measuring tube inside the meter. The state does not have strict laminar flow requirements, so there are no straight pipe sections required for the pipelines before and after the flowmeter during installation.
The installation and use experience of the mass flow meter:
1 Because the flowmeter has various shapes, its internal structure is almost the same. Basically, there are two U-shaped measuring tubes. Three coils are installed on the bottom and left and right sides between the two measuring tubes, and the coil at the bottom is the exciting coil. The detection power of one of the left and right coils is one detection density, and the temperature of the thermal resistance detection medium is buried inside the measuring tube.
2 Since the flowmeter can detect the density of the medium in real time without artificially setting a constant density of a medium, the detection value of the mass flowmeter is accurate and reliable, and the construction and installation are simple and convenient.
3 Although the flowmeter measuring tube is inside the outer casing, the external stress can still produce unpredictable additional errors to the detection. For example, the fixed wire of the heating wire in the figure recovers the influence of temperature during operation and causes deformation to cause a randomly varying stress. Superimposed.
In addition, the laying of the heating line must be separated from the mass flow meter to prevent the asymmetric stress generated by the thermal expansion of the heating line and the excessive conduction heat from affecting the temperature detection of the mass flow medium.

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