Suited Flow Meters for Coolant Monitoring


In many industries that operate, using fluids flow measurement and monitoring is quite vital. Many cooling systems use fluids to cool machinery down during processes that generate heat. Failure to monitor cooling fluids may lead to breakage when the fluid temperature goes up and fails to perform as expected. 

Overheating of cooling fluids leads to a high cost of operation when equipment breaks down. To ensure that the cooling fluid temperature remains at par, special devices called flow meters are needed. Such coolant flow meter types are designed to monitor coolants’ temperature to ensure that fluids flow as expected and retain the preset temperature. Flow meters also use sense and control flow rate in cooling pipes and the entire system. Flow meters measure flow rate in volume, mass, and quantity. 

In this post, we will explore flow meters used for coolant monitoring systems. Read to the end to understand clearly how they function. 

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With the demand for accurate flow measurement going up, flow meter manufacturers use new flow meter designs every day to cater to the rising demand. For flow meters to work effectively, they need to be designed to match up to particular applications. Before deciding which flow meter you want to buy, you first need to understand its application, the installation process, the fluid condition, the size of the flow meter, and your budget. 

Once you have evaluated and carefully analyzed your plant needs, you can go ahead and purchase the coolant flow meter from a reputable flow meter manufacturer. If you are not sure which manufacturer offers high-quality flow measuring products, you can research online first. Check out previous customer reviews to know the experience they had with their flow meters. This will help you make a notified purchasing decision. 

When designing the most effective flow meters, Proteus Industries are known to be the best manufacturers. Their reviews can attest to that. Let us now look at cooling flow meters and their different types and applications. 

Types and Applications of Coolant Flow Meters 

Coolant flow systems have advanced so much that flow meter rate is used to automate the cooling processes. The most effective devices are cooling flow meters to counter overheating in industrial processes that use cooling fluids. They are also used to check and control flow rates in cooling applications and systems. Most factories use open channel water or well water in their various chemical processes. The dye casting industry is a good example of where coolant flow meter types are used. These flow meters are used to check and regulate the temperature of cooling fluids to ensure that the end product meets the desired quality. 

Oscillation brought about by the flow of fluids is what coolant flow meters use to regulate the temperature in cooling systems. Ultimately, these flowmeters control cooling fluids by checking their temperatures in two areas: the flow’s inlet or outlet. Water cooling flow indicators are perfect instruments when you want to ensure that the temperature of the dye is monitored evenly throughout. 

Operating Principle Coolant Flow Meters 

Before looking at the working principle of cooling flow meters, let’s first give you the various cooling flow meters used in varying applications. Their main purpose is to ensure the temperature of cooling fluids stays within the set parameters. These coolant flow meters include:

  • Temperature differential flow meter
  • Capillary tube type flow meter 
  • Thermal dispersion flow meter 

Temperature Differential Flow Meter 

In temperature differential flow meters, two conditions are used to operate them. While using these coolant flow meters in low flow, the differential flow moves to the top part. By doing so, the heat is increased. Heat is reduced when the differential moves to the bottom part. This happens when the temperature is high. 

Capillary Tube Type Flow Meter 

When monitoring coolant flow rate using capillary tube flow meters, heat convection is managed in an insulated interior. Through a small heated capillary tube in this type of meter, heat is transmitted to the bulk of flowing fluid. The main pipe is aligned to this small capillary tube. 

Thermal Dispersion Flow Meter 

While using this type of coolant flow meter, as the name suggests, the pipe borders where the coolant fluid passes through helps transfer heat. 


There are different types of cooling flow meters designed to cater to different industry needs. These three categories of cooling flow meters are perfect examples. Their unique designs allow them to function as expected in different areas. In the gas industry, thermal dispersion cooling flow meters are used in pipes and ducts. Capillary tube coolant flow meter types, on the other hand, are used with clean coolant fluids. 

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