The exposed length of {HEAD ~ dielectric tube} 52 extending beyond shielding means 56 can be any preselected length necessary, depending on the maximum length of needle with which {TAIL ~ the probe} is intended for use 
The exposed length of { HEAD ~ dielectric tube } 52 extending beyond shielding means 56 can be any preselected length necessary , depending on the maximum length of needle with which { TAIL ~ the probe } is intended for use
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH