6 Lessons Learned: Meters

Ways of Selecting a Flow Meter The flow rate of liquids and gases is measured by the use of an instrument that is known as a flow meter. When buying a flow meter one should take into consideration the familiarity of the working personnel with the device and their experience with calibration. One should also consider the maintenance factors such as availability of spare parts and the probability of failure. The cost of installation one should also take into consideration. Because a device is less expensive one should not buy it since this can be the most costly installation. An installation engineer one can consult when buying the flow meters just in case there are any flow measurement challenges. Evaluating the nature of the process fluid and flow characteristics are the basics to selecting the best flow meters. Also, one should consider the piping and the area the flow meter is to be located. The pressure, temperature, viscosity, density and many others are the fluid characteristics to be considered. Of how they should interact these properties should have an indication for the flow meter to operate properly. A detailed composition of the fluid should also be there. That one should indicate whether the fluid has solids and whether they are soft or abrasive or whether they have small or big particles this is to say. One should know the required meter range and this is done by identifying the minimum and maximum flows that will have to be measured so that one can select the best meter. Unless one knows the measurement accuracy, the flow meter’s performance may not be accepted over its full range. When one is purchasing a flow meter they should choose the ones without moving parts over the ones with them. Since the moving parts are prone to wear and tear, usually the flow meters with moving parts are a cause of problems and failure. They also require clearance spaces for the moving parts that sometimes cause slippage into the flow being measured. Included in the different types of flow meters which are there are; rotameters, piston flow meters, paddlewheel, turbine flow meters, ultrasonic flow meters and magnetic flow meters. Available for in-line and insertion type the magnetic flow meters are. Ideal they are for any waste liquids that are conductive. The displays are usually integral and an analog output can be used or remote monitoring. The ultrasonic flow meters are also used for dirty water or waste water. Employed by the principle of operation is the frequency shift of an ultrasonic signal when it is reflected by discontinuities in the liquid flow. The rotameter on the other hand is the most used for liquids and gases.A Simple Plan: Equipment

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