BERTHOLD TECHNOLOGIES LB4710-050, User Manual

Page: 18 / 227

Chapter 2 Safety
Mini-Switch LB 471
18

Lever with arrow

Padlock

Cover plate rear
The radiation exit channel has to be closed during transport, as-
sembly and while carrying out work on the container.
The arrow on the lever is then pointing to “CLOSED”.
The lever or the locking core is secured by a padlock

in the
“OPEN” and in the “CLOSED” position.
Shielding, radiation type, isotope and activity have to be selected
for each measuring configuration such that the internationally
permissible dose rate limits will not be exceeded.
The source and shielding version is documented in the supplied
technical source documentation and on the type label on the
shielding.

Source number

Activity

Isotope

Source manufacturing
date

Dose rate in
1m distance

Effective shielding
thickness

Shielding material

Type of shielding

Shielding manufacturer
Figure 2:
Shielding
- view of lock
Type label
Figure 3:
Type label
on shielding



Strahler-Nr.:
12 34 - 1 1- 9 4
MBq
Co-60
40 0
Abschirmung
m m
Datum
12. 11 .9 4
Pb
98
Dosisleistung in 1m Abstand
5

Sv/ h
MODEL LB 7440
Ba d W il dba d D-7 5 32 3








