Despatch RBC1-50 with Protocol Plus - Manual (Page 35)

31
Nitrogen Atmosphere
Purge Rate
The chart below shows the time required to reduce the oxygen content to different
percentages of concentration. At a flow rate of 100 SCFH in the RBC1-50 Burn-In
oven, oxygen concentration from 21% in room air down to 6% in the closed oven takes
approximately 11 minutes.
Flow Rate Time Versus Oxygen Content
0
2
4
6
8
10
12
14
16
18
20
22
0 4 8 12 16 20 24 26
Time in Minutes
% O2