A vacuum chamber has been installed on the High Resolution Chopper Spectrometer (HRC)

A large vacuum chamber on the High Resolution Chopper Spectrometer (HRC) at BL12 of MLF on August 5, 2009. The size of the vacuum chamber is 4.8 m in radius and the height 3.5 m and its volume and weight are about 50 m³ and 40t, respectively.