10
Background measurement
1. Connect 5.0 purity nitrogen (N
2
) gas to
Zero gas
inlet on the
analyzer front panel. Depending on the regulator for the zero
gas bottle following flush times are recommended.
2. Flush Time setting (Menu
→
Measuring Times)
When (N
2
) gas flow is 1 - 3 l/min set Flush time = 120 (secs)
3. Click
Background
.
The GT5000 will automatically proceed to the perform
background. Time clock will show Flush Time then count down
the preset 3 mins background time. At completion of
background a new screen as shown next page will be
displayed.
Immediately Turn off Nitrogen zero gas
.
