This is the manual for the XT Series residual gas analyzer products.
XT Manual in Adobe (.pdf) format (updated 8-2-2016, 13.7 Mbytes)
XT Manual in Adobe (.pdf) format (updated 9-29-2015, 13.7 Mbytes).
XT Manual in Adobe (.pdf) format (updated 6-29-2009, 10 Mbytes).
XT Manual in Adobe (.pdf) format (updated 2-17-2004, 2.42 Mbytes).
Schematic diagrams for the three circuit boards in the CCU: