Ran 2 loops of N2
Meanwhile, tee'd Dwyer into JB03179 CGA set up. Took a while to get leak tight,
so paused run and stopped .vbp
Snoop may have gotten into fittings around CGA.
JB03179 P initial = 1387.7 psi
JB03179 P final = 1315.6 psi after  5 loops, 1/10/5/20
Switch 3 way, click Ref radio button,
Set to 2 loops, start Autorun, open ball valve, then cylinder valve
Shut N2 cylinder and ball valve