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Vibration Measurement

Advantages & Disadvantages of Different Vibration Sensors

Application of Vibration Sensor/Transducers:

Measurements   on   Structures   or   Machinery   Casings:

Accelerometers and Velocity Sensors Used in gas turbines, axial compressors, small and mid-size pumps.

These sensors detect high frequency vibration signals related to bearing supports, casing and foundation resonances, vibration in turbine/compressor vanes, defective roller or ball bearings, noise in gears, etc.

Displacement measurements relative to rotating shafts:

Proximity Probes (capacitance or eddy-current) Used in turbomachinery supported on fluid film bearings, centrifugal compressors, gears and transmissions, electric motors, large pumps (>300HP), some turbines and fans.

These sensors detect shaft static displacements, unbalance response, misalignment, shaft bending, excessive loads in bearings, dynamic instabilities, etc.

Advantages & Disadvantages of Different Vibration Sensors

Advantages & Disadvantages of Different Vibration Sensors

Also Read: Different Types of Sensors Principle Used in Vibration Measurement

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rahim August 6, 2018 at 12:21 pm

Thank you for good points.
One of the advantageous about acelerometers is high sensitive to noise .I have seen them on MV motors and due to noises , very often there is false alarms and it caused disconeccting the machine monitoring system from plc.

Absolutely , manufacturers have some recommendations but you mentioned the general advantageous and I think there are general solutions , as well.
would you please give more information.


rahim August 9, 2018 at 4:40 pm

Sorry . I should say one of the disadvantageous about accelerometers .

Nitheesh vellandath October 3, 2019 at 6:53 am

Vibration sensors where is located and proximity and others is use for temperature txmotter


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Advantages & Disadvantages of Different Vibration Sensors

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