![]() Unlike mechanical flow meters, you can find almost every type of flow meter outfitted with a digital display. The significant advantage of digital flow meters is that they require minimal maintenance requirements and have an increased lifespan because there are no moving parts that can jam or break. In addition to using an impeller to determine flow, a digital flow meter can calculate flow with an electrode sensor that measures induced voltage to measure velocity and flow rate. A digital flow meter can take the data captured and display it in easily readable quantities that make it more reliable than its traditional mechanical water flow counterparts. If you're looking for a flow meter that measures total flow and rate of flow with high accuracy, you may want to think about investing in a digital flow meter.Ī digital flow meter is a meter that includes a digital computer display to provide you with your measurements of total flow and instantaneous flow rate. Mechanical flow meters are perfect for the easy monitoring of liquid flow rates such as water, fuel and viscous liquid. Mechanical flow meters are excellent for hazardous locations and applications where no power is available or desired, and where batteries are not acceptable due to replacement concerns. When Should You Use a Mechanical Flow Meter? These mechanical flow meters are used for liquid and gas volumetric flow measurement and control. ![]() The differential pressure of the upper and lower ends form a force for the float to rise until it stabilizes at a certain height. Rotameter Flow Meters: Rotameter flow meters are variable area flow meters based on float position measurement.When the magnet passes a pickup coil located outside the fluid chamber, the computer counts the pulses and converts them to total flow and flow rate. Turbine flow meters can have impellers with magnets embedded in the blades. The impeller blades are located parallel to the angle of the flow direction to rotate the blades and measure the flow. Turbine Flow Meters: Within a turbine flow meter, the liquid or gas flows through a sensor housing.These work best when measuring the volume flow of high viscosity and varying viscosity fluids. It then repeatedly fills and discharges the volume to accumulate the total amount of liquid. Positive Displacement Flow Meters: A positive displacement flow meter works by utilizing mechanical elements to divide liquids into a single known volume.Some of the featured mechanical flow meters widely used today include: Mechanical flow meters have been widely used since the 20th century and are still a popular option today. The function of a mechanical flow meter is mainly dependent on a constant flow to keep the impeller moving. Mechanical flow meters will only indicate total flow, not instantaneous flow rate since there is no computer available to convert total flow over time into instantaneous flow rate. We'll discuss some of the primary differences between mechanical and digital flow meters so you can decide which is better suited for your specific application.Ī mechanical flow meter will have mechanical moving parts such as gears, rotors, impellers, or turbines to measure total flow. But that's not the only difference between these two types of flow meters. When deciding whether or not you need a digital or mechanical flow meter, you need to decide whether power is required or not. Within the vast range of flow meters, there are two primary types which every flow meter branches off from – mechanical and digital flow meters. While there are too many types of flow meters to cover each in this article accurately, some well-known flow meter types include: When used in certain circumstances, each type of flow meter has its advantages and disadvantages. There is no universal flow meter that will be suitable for every type of application. The complexities of flow meters stem from the vast range of options one has to choose from, depending on various circumstances. ![]() You can define a flow meter as an instrument specially designed to measure the flow of gases, fluids and semi-fluids (slurry) in piping systems.
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