Spectrograph Tank Delivery

21-09-2023 #

Spectrograph Tank Delivery #

The spectrograph manufacturing is in course. Today we received the Vacuum tank. It looks pretty “RISTRETTO” compared to its predecessors.

tank photo
Tank beeing extracted from its transport crate

We immediately pumped it to check vacuum tightness:

tank pumping tests
Pumping test

After some trial and error the pressure reached 1.5 10-5 mBar