What is rotameter?

Rotameters are essentially the most commonly used variable area flow meters. It’s additionally often known as rotor move meter or float flow meter. Its operation is easy, with a liquid or gas passing by method of a conical tube. In order for this gas to pass through the tube, it must first raise a float that is fixed contained in 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 rate head of the fluid and the buoyancy of the liquid.

With gases, the buoyancy pressure is negligible and the float moves principally as a result of velocity stress head of the gas. In both circumstances, the upper the circulate rate, the upper the float strikes 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 moves up through the tube due to its tapered nature, the annular opening will increase. As this will increase, the differential strain throughout the float decreases. When the burden of the float is balanced towards the upward force 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 subsequent to the tube on the skin of the meter. The calibrated scale will typically give a volumetric move studying, such as liters per minute (LPM).

Application of rotameter

Rotameters are commonly used to measure the move of liquids or gases, with the next utility examples:

Laboratory.

Testing and manufacturing strains.

Processing industry.

pressure gauge octa .

Oxygen move measurement in medical functions.

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

Download our rotameter specifications and manuals

Check rotameter specifications and operation guide

More articles on flowmeters:

Liquid circulate meter

Select the proper water circulate meter for you

Difference between flow meter and circulate transmitter

Mass flow price vs volumetric circulate ratee
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What is rotameter?

Rotameters are the most generally used variable space circulate meters. It’s also often called rotor flow meter or float flow meter. Its operation is easy, with a liquid or fuel passing via a conical tube. In order for this gas to cross through the tube, it must first increase a float that is mounted contained in the tube.

What is working principle of rotameter?

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

With gases, the buoyancy pressure is negligible and the float strikes principally due to the velocity stress head of the fuel. In each circumstances, the upper the move fee, the upper the float strikes up the tube. The float moves up and down the tapered tube in proportion to the circulate rate and the annular space between the float and the tapered tube wall. As the float strikes up through the tube because of its tapered nature, the annular opening will increase. As this will increase, the differential stress throughout the float decreases. When the load of the float is balanced against 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 subsequent to the tube on the outside of the meter. The calibrated scale will sometimes give a volumetric flow reading, such as 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 lines.

Processing industry.

Oil business.

Oxygen circulate measurement in medical functions.

For metering purge move (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 proper water circulate meter for you

Difference between move meter and move transmitter

Mass flow price vs volumetric flow ratee