What is rotameter?
Rotameters are the most commonly used variable area flow meters. It’s also usually known as rotor move meter or float circulate meter. Its operation is straightforward, with a liquid or fuel passing through a conical tube. In order for this gas to move by way of the tube, it must first increase a float that’s mounted inside the tube.
What is working principle of rotameter?
When a rotameter is used with a liquid, the float rises as a outcome of mixture of the speed 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 each instances, the upper the circulate price, the higher the float moves up the tube. The float moves up and down the tapered tube in proportion to the flow fee and the annular space between the float and the tapered tube wall. As digital pressure gauge strikes up via the tube as a outcome of its tapered nature, the annular opening increases. As this increases, the differential pressure throughout the float decreases. When the burden of the float is balanced towards the upward drive 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 placed subsequent to the tube on the skin of the meter. The calibrated scale will sometimes give a volumetric flow reading, similar to liters per minute (LPM).
Application of rotameter
Rotameters are commonly used to measure the move of liquids or gases, with the following utility examples:
Laboratory.
Testing and manufacturing strains.
Processing industry.
Oil business.
Oxygen circulate measurement in medical applications.
For metering purge circulate (i.e. viscous fluids with suspended particles).
Download our rotameter specifications and manuals
Check rotameter specs and operation manual
More articles on flowmeters:
Liquid flow meter
Select the best water move meter for you
Difference between move meter and flow transmitter
Mass circulate rate vs volumetric flow ratee
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What is rotameter?
Rotameters are essentially the most generally used variable area circulate meters. It’s additionally usually called rotor circulate meter or float flow meter. Its operation is simple, with a liquid or fuel passing through a conical tube. In order for this gas to pass through the tube, it must first elevate a float that’s mounted contained in 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 pressure is negligible and the float strikes principally because of the velocity pressure head of the gasoline. In each cases, the upper the flow rate, the higher the float moves up the tube. The float strikes up and down the tapered tube in proportion to the circulate price and the annular space between the float and the tapered tube wall. As the float moves up via the tube as a end result of its tapered nature, the annular opening increases. As this increases, the differential strain throughout the float decreases. When the weight 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 positioned next to the tube on the outside of the meter. The calibrated scale will sometimes give a volumetric flow studying, corresponding to liters per minute (LPM).
Application of rotameter
Rotameters are commonly used to measure the circulate of liquids or gases, with the following application examples:
Laboratory.
Testing and production traces.
Processing trade.
Oil trade.
Oxygen circulate measurement in medical applications.
For metering purge move (i.e. viscous fluids with suspended particles).
Download our rotameter specifications and manuals
Check rotameter specifications and operation guide
More articles on flowmeters:
Liquid move meter
Select the best water flow meter for you
Difference between move meter and flow transmitter
Mass flow fee vs volumetric circulate feee