A picture of the turbomolecular pump:
On the right there is the TCP121 controller, and in front a bottle of alcohol, have been cleaning the setup yesterday.
The open side on the right will be connected to a cold cathode ion gauge, but the connecting piece showed some kind of strange black crust. Seems to be mixed with iron-oxide. Hope I can get it clean, one of the vacuum commandments is "thou shall not use iron".
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