User Manual

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Geometry &Mass
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•Detector-Efficiency
•Nuclide
(Energyand emission rate)
•Absorbtioninside the material
•Massofthe material
•Geometrically dimensions
FUNCTIONAL DESCRIPTION
RTM644lnc measurement procedure
•Load the chamber using the plc controlled chain
conveyor and doors.
•Input of measurement data.
The measurement starts after the chamber has
been loaded and the doors are closed.
•Measurement time calculation based on
background level, background reduction (mass of
material), natural activity(s), path of disposal (alarm
levels), calibration, nuclide vector and statistical
parameters.
•Measurement result.
Display of measurement value
•graphic display of activity distribution and activity
position as a deviation from average value in %
•measurement value display in Bq, Bq/g, Bq/cm²
•large objects can be measured with open door(s)
Logged measurement data
•date and time of measurement
•material type and weight of measurement material
•session and operator
•specic activity in Bq/g and Bq/cm² and total
activity in Bq
•measurement limit exceeded
•nuclide-related activity
Calibration
The use of a calibration is to get the relation of the
count rate to the activity and to take all inuencing
factors into account.
SERVICE
The RTM644lnc is almost free of the service requirements.
The testing and calibration is supported by dedicated
software functions, such as a large array of self test, an in-
tegrated testing support function and the optional system
check module.
REFERENCES
The RTM664lnc has been delivered, successfully accepted
and is operating in the following plants (excerpts from
reference list):
Nuclear Power Plants:
Isar, Obrigheim, Mühlheim-Kärlich, Stade, Gundremmin-
gen, Krümmel, Würgassen, Ignalina (Lithuania)
Others:
Research Center Jülich (Germany),
Waste Repository Zwilag (Switzerland),
Technical University Munich (Germany),
GNS (Germany)
The RADOS lnc method (leading nuclide correlation) allows
the validation of all nuclides in the predened vector. It
also simplies the calibration procedure.
Although calibration can be performed by the customer,
RADOS is also offering a calibration service. The import of
existing calibrations is also possible.