Configuration Owner's manual

189 • Bump Testing GX-2012s and Gas Tracers
17. After calibration gas has been applied to the ppm sensor, fresh air will be
applied to the standard sensors (catalytic LEL, O
2
, H
2
S (GX-2012 only), and
CO) and the %volume sensor (if installed) for 45 seconds and the PC
Controller program will perform a zero adjustment.
Figure 149: Air Flowing to Standard Sensors
The PC Controller Program will analyze the zero adjustment results. If any of
the standard sensors or the %volume sensor (if installed) failed the zero
adjustment, the bump test will be aborted for that instrument.