Let’s discuss the factors that affect mass flow meters
Thread Content
Our company uses several ABB Coriolis mass flowmeters of the FCM2000 model. However, sometimes their measurement results are inaccurate (compared to standard references), while at other times they are quite accurate. Could anyone help analyze what could be the reasons for this? What factors affect their measurement accuracy? Detailed instructions and what we need to pay attention to when using it?
The turbine flow meter used in my company has its measurements affected by changes in density. Not even a little impurity is allowed.
There are too many reasons: the installation method, the operating environment, metal fatigue of the instrument itself, whether the signal is interfered with, the possibility of poor soldering, whether there are fault alarms, and whether the flow medium contains large bubbles or clumps that could affect measurement accuracy, among others. If even a scale can determine that the mass flow meter is inaccurate, then it’s better to contact your supplier. As for the detailed instructions and usage precautions, check the manual; it’s definitely very detailed.
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There’s a bit of a misunderstanding about the 3rd floor. Mass flow meters also have different levels of accuracy. The accuracy of standard large-brand scale weighing systems is within 0.2%, and their overall precision can be higher than that of ordinary mass flow meters. The accuracy of mass flow meters is affected by various factors, with installation-related issues being the most common ； Any further dissatisfaction with the control also has a serious impact on accuracy ； The mixed phase also affects accuracy ； Calibration factors for flowmeters.
What is said on the 2nd floor has nothing to do with what the original poster said; of course, the accuracy of a turbine flow meter is related to the density of the medium. If you think of the medium as many small particles, particles of the same volume but different densities will give a different feeling when applied to the face, and the same is true for turbine flow meters.