6400 Reference Manual
29
Accelerometer
The Accelerometer converts mechanical or physical movement of the sensor itself into an electrical signal
which is proportional to the actual movement or vibration of the component being measured. It is typically
placed on several test points on both engines and compressors and is usually held in place using a flat
magnet. A two-pole magnet may also be used on this sensor, however generally this is only recommended for
rounded surfaces due to with the two-pole magnet the amplitude of the reading will be slightly diminished.
The accelerometer sensor provided with the Windrock 6400 analyzer has a sensitivity of 100 mV /g and is the
small sensor in the kit when compared to the velocity sensor.
Typical sensitivity is 100 mV / g. 50 mV / g accelerometers can also be found in the field.
Note: Do not drop the accelerometer 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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