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What aspects should be noted in the process of selecting instruments

顶装磁翻板液位计厂家带您分析在选购仪表的过程中需要注意哪些方面:

正确选用仪表类型是保证仪表正常工作及安全生产的重要前提。所以选购仪表不能盲目,要考虑详细地考究以下几点因素之后再做选择。

一、产品工艺的要求。根据被测物质的性能、材质等方面进行选择。

二、仪表性能。流量和总量、准确度等级、重复性、线性度、流量范围和范围度、压力损失、输出信号特性、响应时间。

三、流体特性。流体温度和压力、流体密度、粘度、化学腐蚀和结垢、压缩系数、多相流。

四、仪表精度的选取。仪表精度是根据工艺生产上所允许的zui大测量误差来确定的。不能认为选用的仪表精度越高越好,应在满足工艺要求的前提下,尽可能选用精度较低、价廉耐用的仪表。

五、安装要求。管道布置方向、上下游直管段、管径、维护空间、管道振动、阀门位置、防护性配件、脉动流和非定常流、防攻击破坏。

六、环境条件。环境温度、环境湿度、防爆及其它安全性、电磁场干扰。

七、经济性。安装费用、运行费用、检定费用、维护费用、备件备品、其它性价比及技术服务因素。

一台好的仪表将会给你的生产带来很大便利,反之就会带来麻烦,为了减少不必要的麻烦,选择液位计仪表一定要谨慎,所有因素要考虑周全.更加要谨防买到假冒伪劣产品。

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