Today I installed the Optris 640i thermocamera on the ZnSe WE viewport (the same it was used to take pictures with the FLIR thermocamera reported on LogE 66722) with the remote support of E. Kraja. The thermocamera is connected to a laptop left on the WE tower platform and it is possible to access this computer by remote through TeamViewer. Figs. 1 to 3 show the thermocamera installed. On Fig. 4 we can see the application's screen with the thermocamera image. To be noted that the payload is not central w.r.t the thermocamera image to avoid some burned pixels (white lines on Fig. 4) on the surface of the mirror. The idea is to perform measurements during the recovery of the ITF in order to continue the analysis the point absorbers (LogE 66696) after the intervention in tower by E. Majorana and H. Vocca (LogE 66729).

One issue with the thermocamera is that after a few minutes running, the image starts to get noisy until is not possible to see anything (Fig. 5), but it goes back to normal when the computer application is restarted. Therefore, it requires human action and control during the data taking.