A flow meter is a manufactured device that measures (in volumetric or mass flow rates) the rate at which a liquid or gas moves through a pipe. There are different reasons why you’d want to be able to measure this, such as fine-tuning costs, emissions, and quality to name a few. Some liquids and gasses can be volatile or corrosive while others can be extremely expensive. Oil and gas are great examples of this. In cases of medicine and pharmaceuticals, all of the above apply, and more. For a direct example, flow meters measure the amount of paint applied to a pill. A central air system provides airflow to coaters. This measurement is strictly regulated to affect dyeing rate and thickness in coating. This should give you an idea of how commonly used flow meters are. This article will take a look at the two most commonly used flow meters in the pharmaceutical industry, as well as what the future of flow meters has in store.
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