What is rotameter?
Rotameters are probably the most commonly used variable area flow meters. It’s also typically known as rotor flow meter or float move meter. Its operation is simple, with a liquid or gasoline passing by means of a conical tube. In order for this fuel to cross via the tube, it should first elevate a float that is mounted inside the tube.
What is working precept of rotameter?
When a rotameter is used with a liquid, the float rises as a result of combination of the velocity head of the fluid and the buoyancy of the liquid.
With gases, the buoyancy force is negligible and the float moves largely because of the velocity strain head of the gasoline. In both cases, the higher the flow rate, the higher the float moves up the tube. The float moves up and down the tapered tube in proportion to the circulate fee and the annular area between the float and the tapered tube wall. As the float strikes up by means of the tube due to its tapered nature, the annular opening increases. As this increases, the differential stress across the float decreases. When the load of the float is balanced against the upward drive exerted by the fluid or fuel, the float stabilizes.
The float can then be in comparability with a calibration scale printed on the tube itself or placed subsequent to the tube on the surface of the meter. The calibrated scale will sometimes give a volumetric move studying, similar to liters per minute (LPM).
Application of rotameter
Rotameters are generally used to measure the move of liquids or gases, with the next application examples:
Laboratory.
Testing and production traces.
Processing ไดอะแฟรม .
Oil industry.
Oxygen circulate measurement in medical purposes.
For metering purge flow (i.e. viscous fluids with suspended particles).
Download our rotameter specs and manuals
Check rotameter specs and operation handbook
More articles on flowmeters:
Liquid circulate meter
Select the best water flow meter for you
Difference between move meter and move transmitter
Mass circulate rate vs volumetric circulate ratee
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What is rotameter?
Rotameters are essentially the most commonly used variable area flow meters. It’s additionally often referred to as rotor flow meter or float flow meter. Its operation is simple, with a liquid or gasoline passing by means of a conical tube. In order for this fuel to cross through the tube, it must first elevate a float that is fastened contained in the tube.
What is working principle of rotameter?
When a rotameter is used with a liquid, the float rises as a outcome of combination of the rate head of the fluid and the buoyancy of the liquid.
With gases, the buoyancy pressure is negligible and the float strikes largely as a outcome of velocity strain head of the fuel. In both cases, the upper the flow fee, the higher the float moves up the tube. The float strikes up and down the tapered tube in proportion to the move price and the annular area between the float and the tapered tube wall. As the float moves up by means of the tube due to its tapered nature, the annular opening will increase. As this increases, the differential strain throughout the float decreases. When the load of the float is balanced in opposition to the upward pressure exerted by the fluid or gas, the float stabilizes.
The float can then be compared to a calibration scale printed on the tube itself or positioned next to the tube on the skin of the meter. The calibrated scale will sometimes give a volumetric move reading, corresponding to liters per minute (LPM).
Application of rotameter
Rotameters are commonly used to measure the flow of liquids or gases, with the next application examples:
Laboratory.
Testing and production strains.
Processing industry.
Oil business.
Oxygen move measurement in medical applications.
For metering purge move (i.e. viscous fluids with suspended particles).
Download our rotameter specifications and manuals
Check rotameter specs and operation guide
More articles on flowmeters:
Liquid flow meter
Select the right water circulate meter for you
Difference between move meter and move transmitter
Mass move fee vs volumetric move feee