Question

Application advantage and disadvantages with range of measurement of rotameter

Answer 1

Answer:

Rotameter is constant pressure drop type of variable area flowmeter. In this instrument, fluid flows from bottom to top part.

Rotameter-variable area type flowmeter

Benefits or advantages of Rotameter

Following are the benefits or advantages of Rotameter:

➨It can be used to measure flow of liquid, gases and vapours. It is useful to measure low flow rates.

➨Rotameters are independent from effects of viscosity upto certain range.

➨The accuracy of rotameters are higher compare to accuracy of obstruction meter types.

Drawbacks or disadvantages of Rotameter

Following are the disadvantages of Rotameter:

➨Rotameters must be mounted vertically.

➨They must not be used in high pressure application