Venturi meter is a measuring instrument based on the flow rate of the pressure difference is a device used to find the flow rate in the duct that is used for many years. By using the fluid flows through the pipe, where the isthmus area in front of smaller pipe cutter. Therefore, this point speed is much higher than the speed in the duct, which is observed from the pressure that is OK. Tine ngasamarot be calculated flow rate.
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