Prometheus Fusion Perfection

Before I proceed I want to check that the pump is pulling a hard vacuum and the gauge is working. I connected the gauge to the pump directly (no chamber):

Here is a time-lapse of the run:

You can see we get down to ~ 6e-7 torr in about 45 minutes. So suffice to say the pump and the gauge are working just fine. Which brings us to our next post…