SENSseries LB 480 Level measurement
BERTHOLD TECHNOLOGIES GmbH & Co. KG
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Volume 1 9 Radiation Protection
1
For point source shieldings LB 744X
Fig. 9-5 Alternative test area on point source shieldings:
Turn lever to horizontal position for inspection.
The alternative test area is the head of the visible edge of the source
holder. If the cover is also accessible then you have to wipe there
as well.
Alternative test area
if accessible
Source
Source holder
Alternative test