Can rotameter be used horizontally?

A rotameter can be used in horizontal pipelines.

In which direction the rotameter should install?

Flow meter installation orientation can greatly affect meter performance and accuracy. Most flow meters can be installed in any direction, except for the Rotameter, which can only be mounted in a vertical direction with a flow from bottom to top.

What are the main limitations of rotameter?

Disadvantages of rotameter:

• It is difficult to handle the glass tube type.
• It must be mounted vertically.
• It is not suitable for pulsating services.
• Generally it is limited to small pipe services.
• It is limited to low temperatures.
• Accuracy is = ± 1/2 to 10\%.
• It requires in-line mounting.

Why is it called a rotameter?

The variable-area flowmeter is called a rotameter because the float spins, or rotates, as the flow passes it. The spinning float is a clear indication that fluid is flowing. Variable-area technology was invented in Germany more than 100 years ago.

What is the other name of rotameter?

A rotameter (variable area meter) is a flow meter that measures volumetric flow of liquids and gases. There is no difference between a rotameter and flow meter, and these terms are used interchangeably.

What is rotameter principle?

A Rotameter is a form of variable area flow meter which has a simplistic operation whereby a liquid or gas passes through a tapered tube. When a rotameter is used with a liquid the float rises because of a combination of the velocity head of the fluid and the buoyancy of the liquid.

What is the principle behind Venturimeter?

The venturimeter works on the principle of Bernoulli’s equation, i.e., the pressure decreases as the velocity increases.

Can flow meters be mounted vertically?

The preferred meter mounting orientation is for the flow to be in the horizontal plane. Vertical mounting is permitted only for upward flow through the meter. Mounting on slight inclines of 2° to 3° is permitted for installation requiring self-draining lines such as for sanitary series flow meters.

Can a water meter be installed upside down?

Never put the meter upside down or canted on its side as it will not function correctly. 2/ Water meters should always be fitted with a minimum of 10x pipe diameter both up and downstream. This is to ensure accurate reading by reducing water turbulence.

Are Rotameters accurate?

Even in the most demanding applications — measuring gases, liquids or steam — rotameters can deliver 2\% full-scale accuracy. Rotameters are inexpensive flow-metering devices for a variety of industrial processing applications.