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Technical Tips & Information
Robertshaw Vibration Switches
Robertshaw Vibration Switches and Monitors measure the total acceleratory force (shock) present on a machine or piece of equipment. Vibration switches can be wired in through machine controls to accomplish a shut down or alarm if values exceed preset levels. Vibration monitors provide a continuous 4-20 ma signal for trending and or contacts for shutdown or alarm.In general terms, vibration can be described as mechanical motion or oscillation of a machine about its point of equilibrium. Displacement is the measure or movement or motion. Frequency is the number of sine waves generated for rotating equipment.
Frequency = Machine RPM/60
Vibration measurement benefits include:
*Shutdown and early warning before failure
*Unattended machine protection
*Predictive maintenance
*Reduced severity of machinery damage
*Savings by reduced downtime and repairs
Prices for vibration switches and continuous 4-20 ma monitors start at less than $500.00. Installation is straight forward and simple. Typical applications-
Call for application information, details, and prices. Protect expensive equipment at minimal cost.