Working principle of rotameter

What is rotameter?

Rotameters are the most commonly used variable space move meters. It’s additionally often known as rotor move meter or float move meter. Its operation is simple, with a liquid or gas passing through a conical tube. In order for this gas to cross through the tube, it should first elevate a float that’s fixed inside the tube.

What is working principle of rotameter?

When a rotameter is used with a liquid, the float rises because of the 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 largely because of the velocity strain head of the fuel. In both cases, the upper the move fee, the higher the float moves up the tube. The float moves up and down the tapered tube in proportion to the flow price and the annular space between the float and the tapered tube wall. As the float moves up via the tube as a result of its tapered nature, the annular opening will increase. As this will increase, the differential strain across the float decreases. When the weight of the float is balanced against the upward force exerted by the fluid or fuel, 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 flow reading, similar to liters per minute (LPM).

Application of rotameter

Rotameters are generally used to measure the flow of liquids or gases, with the following software examples:

Laboratory.

Testing and production strains.

Processing trade.

Oil business.

Oxygen move measurement in medical applications.

For metering purge circulate (i.e. viscous fluids with suspended particles).

Download our rotameter specs and manuals

Check rotameter specifications and operation handbook

More articles on flowmeters:

Liquid move meter

Select the right water flow meter for you

Difference between flow meter and flow transmitter

Mass flow fee vs volumetric flow pricee
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What is rotameter?

Rotameters are the most generally used variable area flow meters. It’s additionally often called rotor move meter or float circulate meter. Its operation is straightforward, with a liquid or gas passing by means of a conical tube. In order for this gasoline to move via the tube, it must first raise a float that’s fastened contained in the tube.

What is working principle of rotameter?

When a rotameter is used with a liquid, the float rises due to the mixture of the rate head of the fluid and the buoyancy of the liquid.

With gases, the buoyancy force is negligible and the float strikes principally as a result of velocity pressure head of the gasoline. In both circumstances, the higher the flow rate, the upper the float moves up the tube. pressure gauge octa strikes up and down the tapered tube in proportion to the flow price and the annular area between the float and the tapered tube wall. As the float strikes up by way of the tube because of its tapered nature, the annular opening increases. As this increases, the differential strain across the float decreases. When the burden of the float is balanced against the upward force exerted by the fluid or gas, the float stabilizes.

The float can then be in comparison with 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, such as liters per minute (LPM).

Application of rotameter

Rotameters are generally used to measure the circulate of liquids or gases, with the next application examples:

Laboratory.

Testing and production lines.

Processing trade.

Oil industry.

Oxygen move measurement in medical functions.

For metering purge flow (i.e. viscous fluids with suspended particles).

Download our rotameter specifications and manuals

Check rotameter specs and operation manual