Select flow meter factors to consider

Abstract: the selection flow meter factors to consider information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. To the selection of the correct and effective flow measurement and instrumentation, must be familiar with meter and flow meter used both features, should also consider economic factors. Sum up there are five factors, namely the performance requirements, fluid properties, installation requirements and the environment. More flow meter manufacturers choose model price quote you are welcome to inquire, here is to choose articles flow meter factors to consider for details. To the selection of the correct and effective flow measurement and instrumentation, must be familiar with meter and flow meter used both features, should also consider economic factors. Sum up there are five factors, namely the performance requirements, fluid properties, installation requirements, environmental conditions, and costs. Performance considerations: measuring method is determined, select the instrument in terms of the performance requirements of consider content are: measuring flow ( The instantaneous flow) (or total The cumulative flow) , accuracy, repeatability, linearity and flow range and scope of degree, the pressure loss, output signal characteristics and response time, etc. Fluid features: the primary measurement method by fluid type after several decodes the initial plan, shall also be provided with process section for details of the fluid property parameters and properties, further consider the adaptability of the selected scheme. In addition to the type of fluid, and usually consider the temperature of the fluid characteristics, depending on the type of instrument pressure, density, viscosity and lubricity, corrosion resistance and abrasion resistance, etc. , some places and hygienic requirements. Some measurement methods to consider in a specific parameters, fluid property, for example by electromagnetic flowmeter for liquid conductivity. Different installation considerations: flowmeter measurement method of installation requirements of the principle of difference is very big. For example, some instrument ( Such as differential pressure type, turbine) Need a long straight pipe upstream, to ensure that the instrument before the inlet flow to achieve full development, and other instrument ( Such as displacement, float type) Have no this requirement or request is very low. Some instrument instruction manual did not elaborate on the instrument installation position and flow direction should be considered, maintenance space, installation direction requirements. However, many data show that performance of flow meter is highly affected by the installation condition. Back flow meter application is bad the cause of the error is bigger, there are a large part was caused by bad installation. Environmental conditions considerations: select the instrument should be considered in the process of the surrounding elements and its expected changes. These factors are: the environment temperature, humidity, security and electrical interference, etc. Economic considerations: economics considers only instrument purchase expense is not comprehensive, but should also investigate other fees, such as accessories purchase expense, installation cost, maintenance and regular flow calibration fee, running cost and spare parts, etc. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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