Introduction
Coriolis mass flowmeters are the leading precision flow and density measurement solutions for the most accurate and repeatable mass measurements of liquids or slurries. Correct installation of Coriolis Mass Flowmeters. Proper use and maintenance of Coriolis Mass Flowmeters. In order to ensure that Coriolis Mass Flowmeters can show excellent performance even in harsh working environments.
| size |
DN3-150 |
| material |
SS STAINLESS STEEL |
| output |
4-20mA RS485 PULSE |
| temperature |
-50-200° |
The basic operation of Coriolis flow meters is based on the principles of motion mechanics. As fluid moves through a vibrating tube it is forced to accelerate as it moves toward the point of peak-amplitude vibration. Conversely, decelerating fluid moves away from the point of peak amplitude as it exits the tube. The result is a twisting reaction of the flow tube during flowing conditions as it traverses each vibration cycle.
Sensors are located at the inlet and outlet to record the oscillation. Though the oscillation is uniform when there isn't any flow, it changes with the introduction of a fluid or gas. The liquid's inertia forces the oscillation of the inlet and outlet sections of the tube to move in different directions. The sensors pickup the change in oscillation in terms of time and space, which is known as the phase shift.
Aside from the size of the meter, the type of data provided depends on the complexity of the meter though most meters supply the same data but have different methods for setting the meter. Some of the settings of a Coriolis flow meter include:
- Flow direction
- Maximum mass flow - set up at pounds per hour
- Volume flow - measured in gallons per minute
- Density - measured by the meter in kilograms or pounds per hour
- Temperature - maximum load temperature
- Fraction Totalizer - totalizer values can be in volume flow, mass flow,
Technical :
Coriolis flowmeter is a mass flowmeter to directly and continuously measure the "mass", the only characteristic of fluid that is not affected by the change in temperature, pressure, viscosity, and density of it. Based on a unique principle utilizing Coriolis force, wide range of mass flowrate based system can be configured by detecting the mass flowrate in high accuracy and sensitivity and converting it to analog or frequency output. In addition to general liquids, flowrate of foods, chemicals, slurry, high-density gas, etc. can be measured. A major feature of the Coriolis flowmeter is a complex sensor that can measure temperature and density simultaneously with flowrate.
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