What’s a Flow Transmitter?

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A flow transmitter measures the flow of liquid through pipes and converts the measurements into electrical signals sent to a computer or control station. It is used to ensure the correct amount of material is being transferred and there are three types: volume, mass, and velocity.

A flow transmitter is a device used as a means of measuring the flow of a specific substance, usually a liquid, through a series of pipes or tubes. These measurements begin as electrical signals, measuring everything from the volume of substance being pushed through the pipeline to the speed at which the fluid is moving. Measurements are converted from electrical signals by the flow transmitter and sent to a designated receiving agent, such as a computer or automated control station. They are then translated by the flow transmitter to allow control operators to view the amount of liquid being transferred through the piping in order to adjust the flow and ensure that the correct volumes are always being transported.

There are many different applications where a flow transmitter may be required, especially where a flowmeter is installed in a series of pipes but the meter is not clearly accessible to the operator. A flow transmitter can be installed in conjunction with the flowmeter to transmit the results the flowmeter produces to the operator manned control station. This allows the operator to ensure that the correct amount of material volume, flow rate, temperature and pressure is being transferred through the pipeline.

These applications can be used in laboratories where specific materials need to be introduced to each other at a specific and controlled rate. Such transmitters can also be useful in underground piping systems, where volumes of water to public sources need to be monitored for usage and pressure changes. Whenever a liquid material needs to be transferred from one medium to another through a controlled piping process, a flow meter and flow transmitter can be implemented to ensure that the material is transferred effectively and in the correct quantities.

There are three basic types of flow transmitters that can be used at any point in a transfer process. They are referred to as volume, mass and velocity. The volumetric information allows the operator to determine the amount of volume in which the material is being transferred and whether or not the flow volume is within regulations for the specific piping system. Velocity refers to how fast the material moves through the piping system. Bulk refers to the amount of bulk that the transferred material creates as it is sent through the piping system, allowing the operator to control the stress that the piping system may be placed on by the amount of material being sent.




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