(1) Real, high precision direct mass flow measurement is achieved. The accuracy is generally 0.1% to 0.2%, and the repeatability is better than 0.1%.
(2) It can measure a variety of media, such as oil, chemical media, papermaking black liquor, paddles and natural gas, it can be used as asphalt mass flow meter，molasses flow meters，syrup flow meters, glucose flow meter, slurry flow meter and so on.
(3) The characteristics of the medium density, viscosity, temperature, pressure, conductivity, and velocity of the fluid have little effect on the measurement results.
(4) No moving parts, no obstacles in the flow tube, easy to maintain.
From the working principle of the mass flow meter, the installation of the flow meter has the following requirements:
(1) The sensor and transmitter are matched and calibrated before leaving the factory, and must be matched one by one during installation. If the transmitter is replaced and there is no re-calibration, although the system parameters can be run by re-inputting the configuration, but some system errors may occur.
(2) Sensors, transmitters and cables should be installed to avoid electromagnetic interference, such as away from large motors and relays.
(3) The sensor vibration tube should be filled with the measured medium to avoid air entrainment. For example, a gas eliminator can be installed in front of the flow meter to increase the outlet pressure, etc.;
(4) In order to ensure that the fluid passes through the vibrating tube uniformly, the mass flow sensor should be installed before the throttling device, the choke element, or after a straight pipe length of a certain length.
(5) The support flange must be installed with sufficient rigidity and quality at the length of 6~10 times of the pipe flange before and after the sensor flange, and the support must be reliably fixed with the pipeline to avoid the vibration of the pipe disturbing the vibration of the vibration pipe and cause measurement error.
(6) The sensor and the pipe should be coaxially aligned during installation, and should be installed as stress-free as possible, whether axial or radial. In summary, the Coriolis mass flowmeter is a new type of flow measurement instrument; it has some advantages that other flowmeters do not have. The measurement accuracy is only related to the sensor's detection time difference signal, so it is getting more and more in many fields. However, the use of environmental vibrations should not be too large, and the design and installation should be properly designed.
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