The position X of the sample 6 in {TAIL ~ the hollow body} 3 can be determined by the two position sensors 7 which are arranged on the outer wall 32 of the hollow body 3 such that they can detect {HEAD ~ a position X} and a change in the position X of the sample 
The position X of the sample 6 in { TAIL ~ the hollow body } 3 can be determined by the two position sensors 7 which are arranged on the outer wall 32 of the hollow body 3 such that they can detect { HEAD ~ a position X } and a change in the position X of the sample
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH