Micromeritics ASAP 2020 Confirm Operator's Manual page 400

ASAP 2020 Confirm
6. Select Show Instrument Schematic, then Enable Manual Control from the Unit menu.
(For clarity, this illustration shows only the valve portion of the schematic.) Table D-1 lists
descriptions of the analysis valves.
7. Open valves 1, 2, 4, 5, and 7; close all other manifold valves.
8. Open valve PS.
9. Open valve 3 and allow the pressure to drop below 1000 mHg (1 mmHg).
10. Repeat Step 9 for valves P1 through P6.
11. Open valve 9.
D-2
Table D-1. Analysis Valve Descriptions
Valve
1 Unrestricted vacuum
2 Restricted vacuum
3 Helium inlet port valve
4 Restricted analysis gas
5 Unrestricted analysis gas
7 Lower manifold isolation
8 Vapor inlet port
9 Sample port
10 Restricted Psat tube port
11 Unrestricted Psat tube port
P1 through P6 Gas inlet port valves
PS Supply valve for physisorption gases
PV Vacuum valve for physisorption gases
Description
202-42811-01 - Mar 2011
Appendix D