Thermo Scientific SAM12, Manual

Page: 121 / 176

Issue: 1.0 Technical Description - Physics
Thermo Fisher Scientific SAM12 User Manual 6-17
SAM12: One Door, Six Detectors, 2.0" Lead, Copper Absorber, Steel Liner
Variation in Efficiency Along Centre Axis (Front to Back)
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
1 2 3 4 5 6 7 8 9
Position of 60Co Source
%
Efficien
cy
PHOTOMULTIPLIERS
Figure 8 - Variation along Central Axis (Front to Back) -
SAM12A 6C-1D-2L
%
E
ff
ici
en
c
y
Figure 9 - Variation along Central Axis (Bottom to Top) -
SAM12A 6C-1D-2L