Found CARME in XHV at 1.1E-11 mbar. Chamber temperature around 30C cooling slowly.
Closed GV to top turbo. Pressure goes up but appears to recover around 2.5E-11 mbar, on line with several previous observations that sectioning off the turbo results in a higher reading in the IE514.
Left turbo on. Remember to not turn it off when removing the tent. |