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Noise on 6224M AI

Noise on 6224M AI

‎05-08-2009 11:41 AM

We are using a 6224M DAQ card for reading voltages from accelerometers.  When we use long cables (>25 meters) we get noise on the line.  If we use the same cables and feed them to a laptop based 6036E DAQ card, there is no noise!  Any ideas?
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Re: Noise on 6224M AI

‎05-08-2009 04:51 PM

Sounds like ground-loop problems. The laptop no doubt floats, preventing ground loops.
John Weeks

WaveMetrics, Inc.
Phone (503) 620-3001
Fax (503) 620-6754
www.wavemetrics.com
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