These units are Gas Sampling Units and Mass Spectrometers that are used by the US Military. We have no expertise in these devices but will try to get answers if you have questions. These units weigh close to 175#'s each. It is unknown if the units are in working order. They appear in good general physical condition but we have no way of testing. If you are in need of a bargain price for a Mass Spectrometer or are a serious hobyist these are for you. The original cost to the US Gov't was over $100K! Note that this item came from a secure Military Facility and cannot be exported out of the USA without an Export License. Please take this seriously. Return accepted if unit is not as described. Please see return policy for details. |