Random Vibration Testing

Vibration testing is applied to a new product to makepressurized surroundings and handling. Also, random
sure that it will last the rigors of shipping, handling, andvibration testing checks the workmanship quality and
transportation. If you have a product - referred to asreliability of the test item.
the DUT or device under test?a vibration test willThere are several companies that can perform
expose any potential flaw that your product may haverandom vibration testing for any product. All they
by exposing it to shock. Products that are candidatesrequire is that the product to come in the packaging it
for random vibration testing include cars, militarywill be in when released in the market; that the
electronics, and others that are generally subjected toequipment it comes with is included; and that the
irregular pressure and airflow.operating manual that comes with and certain
Of course, the common problem is trying to know justspecifications of its make are included.
how much shock should be applied to the DUT. SinceIf the DUT is found to have resonant frequencies or
the amount of pressure applied during shipping, handling,defects through the test, the maker can then make
and transportation does not follow a certain pattern, itadjustments to the product. The companies that
would be better to test the product with differing levelsadministered the test could provide a full analysis on
of shock. That is said to be the closest simulation tothe product and give recommendations on how it could
reality.be improved. They can also administer other tests
Random vibration simulates shock that may differthey think the product needs. Random vibration testing
occasionally, randomly, or even both. Random vibrationhas remained mostly unchanged since it was launched
testing proves the ability of the DUT to endure thein early 1950s.