By constant recirculation of the glovebox atmosphere through the Ni-Train, the Ni-Train will attain low ppm impurity levels of nitrogen or hydrogen and will continue to remove nitrogen or hydrogen that diffuses through the glovebox gloves or seals.
The Ni-Train is designed to work only in conjunction with VAC’s Nexus systems. The Nexus system provides an inert atmosphere nearly free of oxygen and moisture, and also provides an interlock to protect the Ni-Train in case of high oxygen levels.
For safety reasons the Ni-Train is supplied with automatic isolation and bypass valves.
The High Oxygen Protection System (HOPS) function, found in the Ni-Train menu of the Nexus system, will automatically isolate and bypass the Ni-Train system in the event of high oxygen levels.
For safety reasons, the system uses an oxygen analyzer to monitor the levels of O2 in the glovebox. In the event of a high O2 level the analyzer sends signals to the Ni-Train bypass valves to prevent high O2 from entering the Ni-Train retort.