For most of us, the way in which we work each day involves making use of some complex technology. Sometimes it’s necessary to understand the ins and outs of the technology before being able to use it. But oftentimes it’s possible to do so (safety permitting) by just knowing how to operate it, without actually knowing how it operates. But there’s no question having that knowledge in-hand about how various devices operate can be very worthwhile, and when it comes to flow meters they are a great example of this.

Recognising There Are Multiple Definitions of a Flow Meter

It can often be under appreciated that there are numerous ways in which a flow meter can be defined. In particular, this is the case because there are many different types of flow meters used for a wide variety of purposes. Accordingly, as a result the definition given for a flow meter in one instance can actually vary considerably in comparison to the definition given for a flow meter that is used in another way. But it’s important to have a grasp of how all flow meters operate in their basic function in order to appreciate how they work.

A Foundational Definition 

A solid and straightforward definition of a flow meter is as follows: a device which enables the monitoring and measurement of a fluid that is moving through a certain area, such as a pipe.

What Different Types of Flow Meters Are Out There?

As indicated above, it’s quite often the case that a definition of a flow meter can be confusing to a reader given it’s referencing a specific type of flow meter, in lieu of the more basic (general) function that one flow meter, and indeed effectively all of them can perform in one way or another.

This said, possessing a solid understanding of what precisely a flow meter is means it’s necessary to recognise – in looking beyond the basic definition – the names of particular variants of flow meters. Among the different types of flow meters more widely known are differential pressure meters, positive displacement meters, and electromagnetic meters.

Where Are They Used?

Flow meters are commonly used in water treatment plants and in the generation of power, but they’re also utilised in a huge variety of industries beyond these including in the creation of everyday goods like cars and drinks.


Flow meters are truly fantastic devices that form a very important part of the technology we rely on each day to see countless processes completed in our daily lives. With an understanding of how they work now in-hand, there’s an opportunity to not only proceed on with this knowledge, but to also build upon it further in learning in-depth about how flow meters are utilised in specific processes and industries.



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