The use of flow meters | How to read the flow rate of flow meters

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1. Purpose and usage of glass rotor flowmeter

Glass rotor flowmeter is an instrument used to accurately measure the flow rate of liquids or gases, widely used in fields such as chemical, pharmaceutical, environmental protection, and scientific research.

Firstly, it is mainly used in industrial production, responsible for accurately controlling the addition ratio of chemical reagents or drugs, and is a key component to ensure the efficiency of chemical reactions and the stability of drug quality.

. In laboratory research, it provides accurate flow data for various fluid experiments and is an important guarantee for the reliability of scientific research results. Containing Pai

2. Usage 1 During installation, it is necessary to ensure that the flowmeter is in a vertical position, with the fluid flow direction from bottom to top, and the vertical deviation should not exceed 2 degrees. To ensure measurement accuracy, a straight pipe section of at least 5 times the pipe diameter length should be reserved at the front end of the flowmeter, and at least 2 times the pipe diameter should be reserved at the rear end. At the same time, the installation position should avoid strong mechanical vibrations and strong magnetic field environments. Before use, it is necessary to carefully check whether the glass tube has cracks or signs of damage. Gently shake the flowmeter by hand to confirm that the internal float can move up and down freely without any jamming phenomenon. When adjusting the flow rate and reading operation, slowly open the inlet valve first to allow the fluid to enter smoothly and avoid instantaneous impact damage to the float. After the float is stabilized, read the scale value of the tomb cl

uster corresponding to its maximum diameter. It should be noted that the scale is usually the flow rate under standard conditions. For gas media, this reading is the old cherry volume of the standard flow scale; For liquids, the actual operating flow rate should be used. When closing after use, the valve should also be operated slowly to cut off the fluid first. If the equipment is idle for a long time, the residual fluid inside must be completely emptied, and the glass tube part must be protected to prevent accumulation or damage caused by collision.

2. How to use gas mass flowmeter correctly

To use gas mass flowmeter correctly, it is necessary to follow the installation, selection, use and maintenance, and special scenario handling specifications. The specific operation is as follows:

1. Installation position and pipeline layout requirements: Anti vibration and electromagnetic interference: It should be installed in an area without vibration or with small vibration amplitude, away from vibration sources such as motors and compressors, as well as strong electromagnetic fields such as transformers and high-frequency equipment, to avoid measurement errors caused by external interference.

. Straight pipe section configuration: Sufficient straight pipe sections should be reserved before and after installing the pipeline. The length of the upstream straight pipe section should be ≥ 10 times the pipe diameter, and the downstream should be ≥ 5 times to ensure stable fluid flow and reduce the impact of turbulence on measurement. Avoid interference points: It is prohibited to install near local resistance components such as pipe bends, valves, and reducing/expanding diameters to prevent measurement deviat

The use of flow meters | How to read the flow rate of flow meters

1. Purpose and usage of glass rotor flowmeter

2. How to use gas mass flowmeter correctly

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