This is the manual for the XT Series residual gas analyzer products.
Download XT Manual (after 9-29-2015) in Adobe (.pdf) format (updated 9-29-2015, 15 Mbytes).
Download XT Manual (2-18-2004 through 9-28-2015) in Adobe (.pdf) format (updated 6-29-2009, 10 Mbytes).
Download XT Manual (to 2-17-2004) in Adobe (.pdf) format (2.42 Mbytes).
Schematic diagrams for the three circuit boards in the CCU: