Wuxi High Temperature Mass Flow Meter Manufacturer

Flow Meters – Silver Automation Instruments

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1. What are the prerequisites for measuring flow rate with a flow meter?

To measure flow rate with a flow meter, five core prerequisites must be met: matching the measured medium and selection, compliance with installation regulations, adaptation of operating parameters, regular calibration qualification, and compliance with corresponding measurement standards..

1. Matching of measured medium and flowmeter selection (1) Matching of phase state and characteristics 1 It is necessary to match the phase state of the fluid. Vortex flowmeters can measure gases, trapped liquids, and steam, volumetric flowmeters are suitable for high viscosity media, electromagnetic flowmeters are only suitable for conductive media, and Coriolis mass flowmeters can measure some multi-mode combustion concept phase flow media; 2. It is necessary to consider the corrosiveness, solid content, viscosity, and conductivity of the medium. For example, volumetric flow meters should not be used for media containing particles, and electromagnetic flow meters should not be used for low conductivity pure water; （2） Security Matching 1 Flammable and explosive media require the use of explosion-proof flow meters that comply with the GB 3836 series standards; 2. Toxic media require the use of leak free sealed flow meters.

2. Installation position and method comply with product technical requirements (1) Environmental and pipeline requirements 1 Avoid strong electromagnetic interference sources (such as high-voltage cables, high-power frequency converters) and areas with severe vibrations. Outdoor installations should be equipped with sun and rain protection boxes; 2. Ensure that the length of the front and rear straight pipe sectio

Wuxi High Temperature Mass Flow Meter Manufacturer

ns meets the manufacturers requirements. For example, vortex flowmeters generally require 10-20 times the pipe diameter in the front and 5 times the pipe diameter in the back, while electromagnetic flowmeters require a relatively tolerant straight pipe section, but it is necessary to avoid adjacent bends, valves, etc. that may cause flow field disorder; （2） Installation detail requirements 1 Strictly follow the fluid flow direction indicated on the flowmeter during installation. Reverse installation may result in measurement errors exceeding the standard or even damage to the sensor; 2. Electromagnetic flow meters and Coriolis mass flow meters need to be reliably grounded to avoid stray currents and electrostatic interference with measurement results.

III. Actual operating conditions are consistent with flowmeter calibration conditions (1) Parameter range matching 1 The actual instantaneous flow rate needs to be within the range ratio of the flowmeter, for example, the range ratio of a regular vortex flowmeter is 1:10~1:20. Exceeding this range will result in a decrease in accuracy; 2. It is necessary to operate within the allowable working temperature and pressure range of the flowmeter. High temperature will accelerate the aging of seals, and high pressure will cause pipeline deformation and affect the stability of the flow field; （2） Condition correction requirements 1 When the deviation between the density and viscosity of the medium and the factory calibration conditions exceeds 10%, the parameters need to be corrected according to the formula provided by the manufacturer; 2. Coriolis mass flowmeter can directly output mass flow rate, but it is still necessary to pay attention to the influence of changes in m

Wuxi High Temperature Mass Flow Meter Manufacturer

1. What are the prerequisites for measuring flow rate with a flow meter?

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