An individual draft shield element consisting at least in part of a transparent material is arranged above {HEAD ~ each} of {TAIL ~ the sample carriers} , closing off a sample space laterally and from above 
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An individual draft shield element consisting at least in part of a transparent material is arranged above { HEAD ~ each } of { TAIL ~ the sample carriers } , closing off a sample space laterally and from above
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH