IMI Industrial Vibration Sensors Katalog Seite 33

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Process Monitoring Protection Protecting Cooling Towers Cooling Towers are a critical component of production in many industries today Most towers use the same design which is a horizontal electric motor driving a jack shaft into a right angle gearbox with vertical output to a large fan Vibration monitoring of this drive train is essential to provide signals for early warning or provide shutdown when vibration levels exceed a predetermined threshold The classic legacy solution involved the use of earthquake mechanical switches These devices utilize a spring and magnet concept and are designed to mechanically trip during high vibration Reliability becomes an issue with mechanical switches due to harsh cooling tower environments especially in critical applications The next generation 686B Smart Vibration Switches are USB programmable and employ piezoelectric sensing elements coupled with field adjustable threshold settings Also integrated programmable time delays virtually eliminate false trips Other IMI solutions include 4 20 mA output sensors for continuous monitoring in conjunction with existing PLCs DCS and SCADA systems All products are available with hazardous area approvals Cooling Tower Fan Torque TubeGearbox Motor Suggested Sensor Placement 30 visit us online at www imi sensors com 1 716 684 0003