52
9 Supplement
VEGASOURCE 82 • Source holder
66076-EN-220119
Dose rate diagram for Cs-137
r
1
3
4
2
5
6
a
c
c
c
c
c
c
b
b
b
b
b
b
a
a
a
a
a
Fig. 36: Dose rate diagram (distance: 1 m) - example: source holder VEGASOURCE 82 with Cs-137, 100 mCi
(3.7 GBq)
a Distance: 1000 mm (39.4 in)
b Distance: 305 mm (12 in)
c Distance: 50 mm (2 in)
Measuring points
a
1000 mm (39.4 in)
b
305 mm (12 in)
c
50 mm (2 in)
1
0.32 µSv (0.032 mR)
5.09 µSv (0.509 mR)
64.9 µSv (6.49 mR)
2
1.21 µSv (0.121 mR)
11.9 µSv (1.19 mR)
148 µSv (14.8 mR)
3
0.46 µSv (0.046 mR)
4.72 µSv (0.472 mR)
48.7 µSv (4.87 mR)
4
0.09 µSv (0.009 mR)
2.17 µSv (0.217 mR)
19.5 µSv (1.95 mR)
5
0.82 µSv (0.082 mR)
7.47 µSv (0.747 mR)
85.6 µSv (8.56 mR)
6 (switching position OFF)
2.21 µSv (0.221 mR)
20.4 µSv (2.04 mR)
164 µSv (16.4 mR)
Tab. 11: Radiation values - isodistance curve (equivalent dose)
Ambient conditions
Ambient pressure
Atmospheric pressure
Ambient temperature (flange temperature)
Ʋ VEGASOURCE 82 with manual
switching
-40 … +200 °C (-40 … +392 °F)
Ʋ VEGASOURCE 82 with pneumatic
switching
-20 … +80 °C (-4 … +176 °F)
