振动叉液位开关.ppt

Rosemount2120and2110VibratingForkLiquidLevelSwitchesLevel200SalesTrainingMainObjectives2110/2120简介工作原理RMT2110/?Pointlevelmeasurementprimarilyusedforlevelalarm,limitdetection,highandlowlevelandpumpcontrolTherearemanytechnologiesavailable:(浮子/浮筒)(超声波间隙)(电导)(电容)(振动叉)(幅射),(光电)$M’04–’09GrowthRateTop3suppliersFloatSwitches(浮子式开关)高温度压力等级,.(电容/电导式),+HDrexelbrookGemsSensors(Danaher)Vibratingfork(振动叉)全电子,高灵敏度,高可靠性,宽适用性,,+HVegaMobreyUltrasonicgap(超声间隙式)全电子式,可靠,,成本高,对气体,,热导式,%:~200,000units/year(E+H~75%share)AUP$300-$400我们的参与机遇是明显的!-DevelopedincooperationwithMobreyMeasurement基于Mobrey”Squing”(DVT)确保工艺标准和产品质量的一致性!(包括抽样测试;压力循环试验;破坏性试验及热冲击试验等)振动叉技术对于2100,,当叉被液体覆盖时,根据惯性定律,,(短叉技术)当敲击一个音叉时,,?开关点的技术定义:开关点随密度不同有所不同13mm/(HY)为+/-1mm/:假设Dry=:输出断开LED闪烁1HzInvertedifWet=OnSG<WaterSG>Water2120and2110性能概貌2110:,,!!!2120:危险区域认证ATEX/.