![]() ![]() ![]() The voltage difference depends on the properties of the conductor(metal of which conductor is made). This voltage difference can be measured and calibrated across a scale. What is hall effect? Well hall effect is generation of voltage across a conductor when current is flowing through it and at the same instance it is exposed to a magnetic field. With out accuracy, precision and greater resolution flow meters are of no use.įlow meters works on the principle of hall effect. Major constraints of flow meters are accuracy, precision and resolution. With gas volume, flow pressure can also estimated. Not only water, flow meters can be used to measure the volume of gas passing through the pipe. If water can be monitored so it can also be controlled hence some flow meters have special circuits with actuators through which we can control the water flow. In this tutorial we will work with manual valve which has a digital flow meter in it.įlow meters can be used to measure quantity of water passing through liquid pipes. Digital valves are used in heavy industries like oil and chemicals. Normally manual water valve are common but digital and autonomous are also present in market. One can control the valve manually and digitally in order to limit the flow of water through the pipe. In this tutorial i am going to teach you about how to use arduino flow meter to measure the amount of water passing through the water valve. ![]()
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