Photos during the September 2008 upgrading
During the upgrading on September 2008: 1) the shield has been opened in HP Nitrogen atmosphere in order to replace 1 PMTs and apply some improvements; 2) all the transient Digitizers have been replaced by new higher performance ones; 3) new DAQ with optical read-out.
Working in HP Nitrogen atmosphere:
The shield is re-opened in HP Nitrogen atmosphere |
Re-opening the inner Cu box in HP Nitrogen atmosphere |
Monitoring the oxygen level |
At work |
The upper glove-box 1 |
Inst The upper glove-box 2 |