How to increase the accuracy of mass flowmeter

Coriolis massflowmeter is a multi-parameter mechanical vibration type of smart flowmeasurement instruments, It can directly measure the mass flow rate, density,temperature of the fluid, and calculate the volume flow of fluid according tothe above measured parameters.

Working principle

Coriolis massflowmeter using the measurement tube’s (also known as vibrating tube) twohalves of the vibration frequency of the phase difference is proportional tothe mass flow to measure the mass flow rate, use function between the measuringtube’s resonant frequency and the density of the medium to get the density. Coriolismass flowmeter can also be obtained from two basic parameters to get the volumeflow “qv”: the mass flow rate “qm” and density “ρ”.

Factor influence theaccuracy of mass flow meter:

Coriolis mass flow meteris an electromagnetically driven mechanical vibration-type flow measurementinstruments, materials of the flow meter tubes affected by the process, mediumpressure and temperature. Flow measurement tube (also known as the flow tubevibration) installed in the pipeline will be under the influence of mechanicalvibrations plant line, mechanical stress, mechanical torque, etc. Also Coriolismass flowmeter itself exhibit the error characteristics is showing like “megaphone”,rather than a different flow showing like a flat line.

In short, to improve the accuracy of coriolis mass flow meter, you shouldpay attention to every aspect of the process control, and seize the key pointand details of every aspect. If you can complete reach the requirements of thisarticle, you can easily realize the goal of high accuracy of coriolis massflowmeter.


Post time: 21-09-21