Module testing
The BAT modules were exposed to a Sr-90 beta source that was placed just above the active "window". All modules were configured ok (both singly and with all four modules at the same time. Below is a table of the pedestals and noise for the modules.
Module |
Pedestal |
Pedestal |
Noise |
Noise |
|---|---|---|---|---|
1 |
2000 |
2000 |
40 |
20 |
2 |
2000 |
2000 |
65 |
20 |
3 |
2000 |
2200-3000 |
25 |
20 |
6 |
1000 |
1200-2000 |
35 |
20 |
Module 2 has a factor of ~2 higher noise and did not display a nice picture of the source as the other modules.
See an example of a picture of the Sr-90 source below 