Low frequency monitoring of industrial machinery requires specialized sensors, instrumentation and measurement techniques.

The primary goal when measuring low frequency vibrations is to minimize electronic noise from the sensor and monitoring instrument. The sensor must contain low noise electronics to provide clean vibration signals and high output to overcome instrument noise. The impact of environmental and near machine electrical and mechanical noise can also effect low frequency measurements. In addition, sensor settling time, instrument setup and processing time must be considered. Finally, proper sensor handling and mounting techniques will help ensure quality measurements are made.

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Tip excerpted from:

Low Frequency Machinery Monitoring: Measurement Considerations

sponsored by Meggitt Sensing Systems

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