Hello all,

As a part of the safety testing of our products we have a requirements for a
vibration test.  EN50178 (originally DIN VDE 0160) has a 1G sine sweep test
that forces us to go to a nearby environmental test lab.  Where we can find
a voice-coil vibration table.  The cost for one large one of these is
prohibitive for my company.

My question:

Is it possible to correlate the sine sweep with random vibration and show
compliance to the standard?  A more economical solution for us would be to
use one of several HALT/HASS chambers we have in-house.  Intuitively, it
seems that testing products at 60 G's or more, over a wide spectrum, should
exceed the 1G sinusoid.  But so far, everyone I know indicates there is no
way to do this.  By the way, I do understand some things about the dwell
time and resonance's.  Still I would like to hear your inputs on this...

-doug

==================================
Douglas E. Powell
Regulatory Compliance Engineer
Advanced Energy Industries, Inc.

mailto:[email protected]
http://www.advanced-energy.com
==================================

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