LSRM SPORO Stereo
The package consists of the following software modules:
The measuring object is a model created using EffMaker software. It is described by a structure in xml-format. In addition to the geometric parameters, the names of the components and other data required for detection efficiency calculation are saved in it. Splitting into parts is performed according to the measuring procedure for this type of objects.
The measurement point is a position of the detector relative to the measuring object. It is characterized by the name and the measured side.
The measurement scheme is a set of measurement points.
The measurement scenario is a sequence of steps that must be performed to measure an object. The steps are the spectra acquisition from the certain measurement points as well as preliminary operations (measurement of the container mass, the filters installation, the container rotation etc.). The measurement scheme is uniquely correlated with the measuring object.
The measurement scenario and the measuring object are stored in a text file in xml-format, that is the file of measurement scenario. It can contain several measurement scenarios.
Stereo-measurements are the measurements of the object (container) according to the measurement scheme.
Joint processing of the spectra in SpectraLine is processing and activity calculation for several spectra measured under the specified measurement scenario for the specified geometry.
The description of the measuring object with splitting into parts, the measurement scenario for this object (see above), the detection efficiency calibration for each part of the object and for the object as a whole, a set of measured spectra are required for the joint processing.
The measurement results for a particular instance of the object will be called a sample or a measured sample.
The detection efficiency should be calculated for each part of an object and for the entire object in all measurement points (i.e. for the object spited into N parts and for the measurement scheme with M points the number of detection efficiencies is N * M + M, where the last M efficiencies are efficiencies for the entire object without splitting, calculated for each measurement point).
The number of spectra measured in each measurement point in accordance with the scenario should not be less than the parts number for joint processing.
Procedure of Measurements
"The method of measurement of randomly distributed activity of gamma-emitting radionuclides in the containers using gamma - spectrometric system with SpectraLine software" document has been developed by LSRM Ltd and has passed the metrological certification under Rosatom requirements and national standard GOST 8.638-2013.
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