FM-213-4

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Flow Sensors

Flow sensors are devices used to measure the flow rate and/or quantity of a gas or liquid passing through a pipe, duct or other conduit. They are typically used to measure the amount of fuel, water, air or other fluid in a system. They can also be used to accurately measure and control the temperature of a fluid in any type of process. Common uses of flow sensors include automotive, industrial and process control applications.

FM-213-4 Application Field and Working Principle

FM-213-4 is a multipurpose flow sensor developed by Fujitsu Limited. It is an all-in-one flow sensor that can measure the flow of both liquids and gases, making it ideal for a wide variety of applications. The flow rate can be measured in a range between 1 to 10,000 cm/min with a resolution of 1 cm/min. It is suitable for applications requiring an accurate flow measurement such as respiratory monitoring, oxygen delivery systems, and cryogenics testing.

FM-213-4 has a robust, all-in-one design, with no exposed parts or wiring, making it both easy to install and easy to maintain. It is made of stainless steel and has an anti-corrosive coating so it is resistant to corrosion. The internal components of the sensor are protected from environmental factors such as sound or vibration, and the sensor is designed to operate in temperatures ranging from -40°C to +90°C.

The working principle of FM-213-4 relies on the Bernoulli equation which states that the sum of pressure, potential energy and kinetic energy is a constant when a fluid system is in steady-state. The FM-213-4 measures the fluid pressure difference directly and then calculates the flow rate and temperature of the fluid. It operates on the principle of thermal mass flow where the mass flow is measured using an internal temperature sensor and the fluid pressure difference is measured through the inlet and outlet of the sensor.

The FM-213-4 is an ideal solution for a wide range of applications due to its accuracy, robustness, and ability to measure both gas and liquid flow. It allows for precise flow measurement and control, which makes it suitable for a variety of applications ranging from medical to industrial.

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