CRY (Cryostat IY)takayuki.tomaru - 17:38 Saturday 06 February 2021 (15951)
Print this reportIYC cooling restartDue to semi-stable condition of 4K-3 refrigerator in IYC at high temperature, we stopped all of 4K refrigerators on Feb. 4th.
Then IYC temperature was 18K.
Today, 4K-3 temperature at cold head was 64K and that of other refrigerators were similar or higher temperature,
I restarted all of 4K refrigerators at 5pm.