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Measuring vibrations on multi-shaft machines such as gear boxes may require positioning several tachometer sensors. For a non-accessible shaft, RPM speed can be computed by using the gear ratio setting. This '''fractional tachometer''' feature has been extent, and the ratio can be up to 100 now! (it used to be 2 only) | Measuring vibrations on multi-shaft machines such as gear boxes may require positioning several tachometer sensors. For a non-accessible shaft, RPM speed can be computed by using the gear ratio setting. This '''fractional tachometer''' feature has been extent, and the ratio can be up to 100 now! (it used to be 2 only) | ||
[[File:frac_tach.png]] | [[File:frac_tach.png|500px]] | ||