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3 Supplement
Source loading and exchange • VEGASOURCE 31, 35
39155-EN-181126
3 Supplement
3.1 Technical data
Source
Take note of the specifications in the operating instructions of the source container VEGASOURCE.
Attenuation factor and half-value layers
VEGASOURCE 31
VEGASOURCE 35
Source
Co-60
Cs-137
Co-60
Cs-137
Attenuation factor
37
294
181
3100
Number of the half-value layers
5.2
8.2
7.5
11.6
Tab. 1: Attenuation factor and half-value layers
Max. activity of the source
VEGASOURCE 31
VEGASOURCE 35
Co-60
max. 0.74 GBq (20 mCi)
max. 3.7 GBq (100 mCi)
Cs-137
max. 22.2 GBq (600 mCi)
max. 185 GBq (5000 mCi)
Tab. 2: Max. activity of the source
Product-related fluctuations of the source activity and tolerances of the measuring instruments are
not taken into account for the above data.
