6400 Reference Manual
30
Velocity Probe
The velocity probe converts mechanical or physical movement to an electronic signal which is converted by the
analyzer to reflect actual movement or vibration. The output is in inches per second (ips) velocity. Its output
can be accurately integrated to displacement for measurement of components vibrating at relatively low
frequencies (frames, cylinders, skids).
The velocity probe provided with the Windrock 6400 analyzer has a sensitivity of 100 mV /g and is the large
sensor in the kit when compared to the accelerometer.
The velocity probe is typically used with FFT data collection.
Common data collection would have the velocity probe being used with a 2-pole magnet mounting as we are
typically taking readings on rounded surfaces associated with piping and vessels.
Note: Do not drop the velocity probe or slap it on the test point.
Note: Avoid overheating the sensor (general rule of thumb is if it is too hot to the touch, it should be cooled
down before taking data).
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