Preparing the Kelvinox Dilution and Gas Handling System

• pump the traps (heat out each for 30 min, but pump longer)
• pump out the condenser and pumping line, on the gas handling system and on the stick (all volumes might be connected)

After some hours (or one night)

• make the seal with clean fingers (a thick layer on the stick, only a small amount inside the aluminium tube)
• put the tube, turning it a little on the seal and start pumping with the leak detector.
• leak check
• put into LN2 for precooling, put a small amount of He (1 mbar or less) into the IVC.
• if there is no hurry nad the sample must be cooled slowly, the stick might be put directly into the cryostat (without LN2 precooling).

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