A strobe light is often an analyst’s best friend. Over the
next few tips, we will go through a variety of useful functions.
First and foremost, a strobe light is a convenient way to
get an accurate speed as you are collecting the data. The importance of an
accurate speed cannot be overstated since the error is multiplied by orders. So
recording an accurate speed allows you to confidently calculate forcing
frequencies, both synchronous and non-synchronous.
Secondly, with VFDs becoming increasingly common, the strobe
allows you to assess the consistency of the motor’s speed. Depending on system
requirements, VFDs can change speeds incrementally in an instant, which causes peak-spreading
and other issues.
This tip is provided by Scott Dow, Senior Instructor of Mobius Institute.
Come back to our blog next week to read #9 in our Top 10 Reasons Why a Strobe Light is an Analyst's Best Friend. To learn more about IMVAC and the event nearest to you, visit vibrationconference.com.
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