User guide

11
3 Product description
MINITRAC 31 • Foundation Fieldbus
41782-EN-131119
TheVEGADIS81isanexternaldisplayandadjustmentunitforVEGA
plics
®
sensors.
Forsensorswithdoublechamberhousingtheinterfaceadapter"DIS-
ADAPT"isalsorequiredforVEGADIS81.
Youcanndfurtherinformationintheoperatinginstructions"VE-
GADIS 81" (Document-ID 43814).
The electronics module PT30E.XX is a replacement part for radiation-
based sensors MINITRAC 31.
TheelectronicsmodulecanonlybeexchangedbyVEGAservice
technician.
FormountingMINITRAC31holdersaswellasspecialmountingac-
cessories are available. Please contact our sales department.
3.5 Corresponding source container
Aradioactiveisotopeinasuitablesourceholderistheprerequisitefor
a radiation-based measurement setup.
Thehandlingofradioactivesubstancesisregulatedbylaw.Theradia-
tionprotectionrulesofthecountryinwhichthesystemisoperated
applyrstandforemost.
In Germany, for example, the current radiation protection ordinance
(StrlSchV)basedontheAtomicEnergyLaw(AtG)applies.
Thefollowingpointsareimportantformeasurementwithradiation-
based methods:
Ahandlingpermitisrequiredforoperationofasystemusinggamma
rays.Thispermitisissuedbytherespectivegovernmentoceorthe
responsibleauthority(inGermany,forexample,ocesforenviron-
mental protection, trade supervisory boards, etc.)
Youcanndfurtherinstructionsintheoperatinginstructionsmanual
of the source container.
When handling radioactive sources, unnecessary radiation exposure
must be avoided. An unavoidable radiation exposure must be kept as
lowaspossible.Takenoteofthefollowingthreeimportantmeasures:
VEGADIS 81
Electronics module
Mounting accessory
Handling permit
General instructions for
radiation protection