54733-10BA2L
2 – 214 02.2017
2 Installation Volume 2
2.6.6 Point Source Shielding LB744X
Fig. 2-39 Radiation warning sign
Increased radiation dose due to open beam channel!
A too high dose of radiation may be harmful to your health.
A source may be transported only in its shielding. The shielding
must be closed during transportation and installation.
The radiation exit is cone shaped with an angle of about 10°. During
installation, the shielding and thus the useful beam must be aligned
such that they point exactly towards the detector.
Fig. 2-40 Point source shielding
The shielding consists of a lead cylinder with source exit channel
(7), surrounded by a steel jacket (Fig. 2-41). The locking core (6)
is firmly connected with a lever (4). The "OPEN" and "CLOSED" posi-
tions are secured and the removal of the sources by unauthorized
persons is prevented by a padlock (3).
The radiation warning sign identi-
fies the start of the controlled area,
provided the controlled area is out-
side the shielding. If the controlled
area is inside the shielding, then
the radiation warning sign
attached on the shielding suffices.
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