Hello there,   
      
   have you solved this topic? It would be great to hear.   
      
   On Wednesday, February 13, 2002 6:51:53 PM UTC+1, adam wrote:   
   > We recently used an ocean optics USB spectrometer to measure the   
   > spectral and energy content of LED's.  We found that the system to be   
   > quite unstable, ie. it gave us different measurements at different   
   > times.   
   >   
   > We used their "NIST" lightsource, into an Integrating sphere, coupled   
   > with fiber to the spectrometer.   
   >   
   > Has anyone had similar issues with this equipment? Any advice?   
   >   
   > As of now, we sent it back so they could look at it.   
   >   
   > Adam   
      
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