Density Meter LB 444 SECTION 9. RADIATION PROTECTION
84
Shielding
The shielding material surrounding the source pro-
vides the shielding effect. As the shielding effect de-
pends, following an exponential function, on the prod-
uct of thickness multiplied by the density, it follows
that material with a high specific weight will normally
be used for shielding. The supplier usually calculates
suitable dimensions for the shielding.
Conclusion:
Before installing or dismantling the shielding, make
sure that the radiation exit channel is locked-closed.
The source must not be removed from the shielding.
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