A mass flow sensor is a tool that measures the rate at which a liquid or gas is flowing. This is accomplished by measuring the amount of time it takes for a material’s volume to pass through the sensor. From there, the flow rate in mL/s is calculated by dividing the distance traveled by the time required.

What Is A Mass Flow Sensor?

A mass flow sensor measures how quickly a fluid (such air, water, or oil) moves through a pipe, channel, or other conduit. A basic sensor is made of two metal plates that can open and close along one side to form a tiny aperture through which fluid flows. A computer or other device may read the electronic signal that the sensor sends when it is activated.

In industrial settings, mass flow sensors are frequently used to track the movement of liquids, gases, and powders. They are also employed in applications for quality control and testing vehicle emissions. Mass flow sensors are, in general, dependable, precise devices that can be helpful in a variety of applications.

What Can You Do With Them?

Let’s demonstrate how to use the Saftty AFM3020 mass flow sensor as an example. With exceptional accuracy, this sensor measures the flow of non-aggressive gases like oxygen and air. Since the fluid traveling through the sensor is lost at a very low pressure due to the unique design inside the air duct, its performance is suited for a wide range of demanding application scenarios, including medical ventilation and respiratory applications.

In order to establish high-quality product production and inspection processes, Saftty develops numerous types of sensors, has professional R&D facilities and equipment, and supports a variety of simulated environmental trial circumstances. Additionally, their products are frequently utilized in laboratories, spectroscopy, burner control, environmental monitoring, and medical automation.


Saftty mass flow sensors are used extensively in the chemical, medical, and other fields as high-precision, high-efficiency flow measurement tools.


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