TURBOTRONIK NT 12 Inficon 857 04 Turbomolecular Pump Controller Leybold, Lot Y376. TURBOTRONIK NT 12 Inficon 857 04 Turbomolecular Pump Controller Leybold. Pulled from a working environment, but unable to test. EXCEPT: Collectable Items, Electronic Products, and. Videos/CDs/DVD sets of 4 or more. Items listed as’untested’ Item may be opperational, or may not be opperational. We dont know, as we cannot test them. The price has be set low to reflect this. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. Please contact esellebrate with any questions. You will get our best Services and Attention always! _gsrx_vers_1516 GS 9.3 (1516).