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3 Product description
MINITRAC 31 • Foundation Fieldbus
41782-EN-211203
When handling radioactive sources, unnecessary radiation exposure
must be avoided. An unavoidable radiation exposure must be kept as
lowaspossible.Takenoteofthefollowingthreeimportantmeasures:
1 2 3
Fig. 4: Measures for protection against radioactive radiation
1 Shielding
2 Time
3 Distance
Shielding:Providegoodshieldingbetweenthesourceandyour-
selfaswellasallotherpersons.Specialsourcecontainers(e.g.
VEGASOURCE)aswellasallmaterialswithhighdensity(e.g.lead,
iron,concrete,etc.)provideeectiveshielding.
Time: Stay as short a time as possible in radiation exposed areas.
Distance: Your distance to the source should be as large as possible.
The local dose rate of the radiation decreases in proportion to the
square of the distance to the radiation source.
Theplantoperatormustappointaradiationsafetyocerwiththe
necessaryexpertknowledge.Heisresponsibleforensuringthatthe
radiationprotectionordinanceiscompliedwithandforimplementing
all radiation protection measures.
Controlareasareareasinwhichthelocaldoserateexceedsacertain
value.Onlypersonswhoundergoocialdosemonitoringareallowed
intothesecontrolareas.Youcanndtherespectivelyvalidlimitvalues
for control areas in the guideline of the respective authority (in Ger-
many,forexample,theradiationprotectionordinance).
We are at your disposal for further information concerning radiation
protection and regulations in other countries.
General instructions for
radiation protection
Radiationsafetyocer
Control area