We have finished the third cycle of pumping and observing the pressure after closing the gate valve on the cryostat in the ATC.

The results, compared with the other two cycles and the initial measurement, can be seen in the attached pictures.
Obviously, for the pumping, we can not get the vacuum that has been reached in the initial measurements but we could confirm the data from the second cycle with a final pressure of approx. 6*10^(-4) Pa after 60000s of pumping. The initial cycle reached approx. 4*10^(-4) Pa.
Again, the vacuum is by far better than in the first cycle after the cryostats repair.

The rising of the pressure after closing the gate valve follows quite exactly the development of the initial cycle. No important differences could be observed.

We also checked the connections for the temperature controller and are ready to braze the cabels on the respective connectors (will take only 30min, or so).
From our understanding, we are ready for doing the test of the cryogenic system and will start it on Monday, probably.