GammaVision
Contents
1. GammaVision v6 09 Gamma Spectrum Analysis Software GammavVision MixGam250mm An1 Point source mixed gamma 60481 11 at 250 mm from endcap File Acquire Calibrate Calculate Analyze Library Services ROI Display Window CSE SS xl LOS ome a m elele es Z Butter a Pulse Ht Analysis I Start 3 53 51 PM 2 21 2008 Real 25 372 58 Live 25 166 40 Dead 0 73 ROI Peak Info b Library g ORTEC 1 31 37 PM Wed 1 21 2009 Marker 0 0 08 keV 0 Cnts Comprehensive Gamma Spectrum Analysis for HPGe detector spectra Integrated control of spectroscopy hardware Highly Automated and Highly Interactive modes of operation Identification and quantification of nuclide activities by adaptable methods Wide array of spectral correction tools Extensive use of Wizards to simplify setup and calibration Flexible reporting to meet local requirements Results database to facilitate LIMS integration Comprehensive QA features Methods compliant with latest international standards Multi Language support Support for Microsoft Windows XP and Windows 7 ORTEC GammaVision Gamma Spectrum Analysis Software is a comprehensive all in one package for the analysis of gamma ray spectra acquired with HPGe detectors It represents over 25 years of evolutionary development by ORTEC scientists Hardware control advanced MCA display and a suite of data analysis alg2. Multilanguage Support English French included as standard contact factory for other languages Uncertainty Reporting Options e Percent or activity e Counting or total 1 2 or 3 sigma Propagation of additional systematic or random uncertainties Derived Quantity Isotope Reporting Average Energy EBar to TID 14844 e lodine Equivalence to TID 14844 e DAC maximum permissible concentration e Gammatlotal French Version only Totally Custom Reporting From Access compatible results database and or via optional A44 B32 Report Writer Calibration Energy Calibration e Multi point quadratic for energy and FWHM e Automatic Energy Calibration U S Patent No 6 006 162 Efficiency Calibration Fit Options e Single Function Polynomial e Interpolative e Quadratic above or below user set knee e Linear above or below user set knee e TCC polynomial Quality Assurance Complies with the demands of ANSI N13 30 and for each detector allows tracking of e Total detector background e Total decay corrected activity for all calibration nuclides e Average FWHM ratio spectrum to calibration standard e Average FW1 10M ratio spectrum to calibration standard e Average peak shift from library values e Actual peak centroid energies System Prerequisites Operating Systems As a CONNECTIONS product GammaVision V6 09 requires a Windows XP VISTA Windows 7 platform At this time 32 Bit Vista
3. 33 AM 6 7 91 4 219 80 3 600 00 1469 Buffer 1 GyDemo Spc MIXED GAMMA MARINELLI ON ENDCAP OF P402 Mi E3 i Live Dead QRTEC 9 21 02 AM 190 Cnts Tue 4 29 03 Marker 7 457 1 208 293 keV Gamma ision MixGam000mm 5pe Point source mixed gamma 60481 11 on endcap File Acquire Calibrate Calculate Analyze Library Services ROI Display Window PEC Pulse Ht Analysis Start 8 18 29 AM 2 21 01 Real 2 904 54 Live 2 743 06 Dead ABB Z Buffer MixGam000mm Spc Point source mixed gamma 60481 11 on endcap i Ea je Peak 3 m a tol Library el QATEC 4 03 40 PM Tue 2 19 03 Marker 4153 821 73 kev 127 Cnts View Isotope Markers with Peak Amplitude Estimator Bars workstation Up to eight detectors may be selected for live display on a single workstation from a system maximum of 250 Selection is made from a detector pick list Multiple workstations may simultaneously display the same live detector s or two adjacent workstations may display different selections through unique pick lists Each detector may be locked to prevent unauthorized access GammaVision Approach to Quantitative Analysis GammavVision provides a comprehensive array of tools to satisfy analysis requirements regulatory issues and spectral artifacts These tools generally can be enabled through set and forget choices
4. and Windows 7 must be installed to run 32 bit applications Interfacing of MCB hardware to the system may be by USB Ethernet printer port serial port or ORTEC Dual port Memory For use with Vista or Windows 7 ORTEC instrument connections using 10BASE2 coax Ethernet connection require the intallation of the Windows XP Virtual PC also known as XP Mode More details of Windows XP Virtual PC may be found on the Microsoft website NOMAD NOMAD PLUS 92X II DSPEC DSPEC PLUS 919E GammavVision v6 09 Gamma Spectrum Analysis Software Ordering Information Model Description A66 B32 GammavVision Gamma Spectrum Analysis Software Single user copy or first network copy Includes documentation and Binary Use License A66 G32 Documentation for A66 B32 A66 K32 Upgrade from A66 BI to A66 B32 requires BUL from any version of GammaVision A66 K32 D Upgrade from A34 BI or B30 BI to A66 B32 A66 N32 Additional Network Copy of A66 B32 requires pre purchase of one copy of A66 B32 includes BUL disks and documentation A66 U32 Update of for A66 B32 requires BUL from any version of GammaVision Options A11 B32 CONNECTIONS Programmer s Toolkit with ActiveX Controls A12 B32 Analysis Results File UFO Toolkit A44 B32 Custom Report Writer Option A49 B32 DataMaster ANGLE B32 Advanced Efficiency Calibration C53 B32 Nuclide Navigator III Global Value Automation and Custom Reporting LVIS B32 Counting Laborat
5. designed specifically to analyze the complex fission product eae I x cree a Third Library Correction Browse Diredet F spectra encountered in Nuclear Power Applications A WAN32 type analysis is augmented with the addition of a comprehensive nuclide peak identification matrix in order to accurately determine quantitative results from these complex spectra with the minimum of false positive identifications Easily Select Analysis Options GammavVision v6 09 Gamma Spectrum Analysis Software ENV32 is a similar approach to GAM32 It starts with a second difference peak search removing nuclides from further analysis which although present in the user library may be rejected because their complete expected complement of peaks have not been judged as found A WAN1 type analysis then proceeds An additional industry compliant feature of this analysis method is that if after all calculations are complete and the activity of a nuclide is calculated as negative this result is preserved rather than discarded This process is referred to as directed fit MDA values are reported for every nuclide in the analysis library This method is designed specifically for the needs of environmental level counting laboratories ROI32 uses the ROI peak locate method described in an otherwise unchanged WAN32 analysis for samples with known or expected but distorted peaks Further guidance on the appropriate choice of analysis method i
6. ensuring that sophisticated analyses may be performed by technicians in a production laboratory environment while an interactive reanalysis mode allows an expert to verify and validate analysis quality or deal with the unexpected A comprehensive suite of quality assurance tools ensures that Good Laboratory Practice GLP is achieved GammavVision v6 09 Gamma Spectrum Analysis Software A choice of five different analysis approaches described below is provided to deal with different spectral conditions and to ensure compliance in different regulatory environments Regulatory compliance also requires that different formalisms for the determination of detection limit MDA may be required GammaVision now provides a set and forget choice of no fewer than twelve MDA methods See specifications At its simplest the analysis of a gamma ray spectrum involves the following distinct steps e Peak location in a spectrum of known energy calibration e Peak Net count rate determination e Activity calculation based on identification of nuclide and known efficiency calibration GammaVision Peak Location Methods The following peak location methods are employed in GammavVision Library Directed Peak Location This method is used wherever possible because it is the most sensitive to small peaks Starting from the library list the spectrum is examined for the presence of peak centroids which statistically qualify for further scrutiny Ultimate
7. is used to direct the determination of peak areas in the spectrum for further analysis A subsidiary second difference peak search is used to provide possible deconvolution candidates which might interfere with other spectra peaks associated with library entries but also to provide a list of found not identified and possibly suspect peaks in the spectrum Minimum detectable activities may be i f _ io f Sample Type Settings for GyDemo Spc reported if required on both identified and unidentified library nuclides Sample System Decay Report Analysis Corrections Isotopes GAM32 method IS similar to WAN32 with an extra prefiltering step Its Anake Mithod Additional Error purpose is to allow reliable and rapid analysis of samples of completely Pinia 5 ntometic unpredicted isotopic composition through use of a very large initial library WAN32 Analysis Zooo of candidates This is achieved by an initial second difference peak search of the spectrum itself to create a peak list which is then used to Pangon substantially reduce the initially large library to a much smaller size to ancl a sane j perform a WAN1 analysis This method is specifically suited to systems which may encounter a wide variety of samples especially in real time It Aarie nasisi was developed originally for automatic moving paper air particulate Ltneyiecd T Moantiust a monitors Second Library ponm p Browse NPP32 is
8. Nuclide Activity Activity Counting co 2344 32 kco 57 Q 0000E 00 122 07 0 Bq Bq Co 60 666 44 136 43 Yg 3685 10 14 41 0 0 cd 109 lt 1 8954E 02 2 2387E 02 co 5 lt 8 0451E 00 Co 60 3 9645E 03 oe co 60 3 5645E 03 akkke SUMMARY OF NUCLIDES ISO NORM i sere a ae oD All activity units are in Bq kg ms5 L3a 3 O0630E 04 661 56 3 0 yigg 2 5672E 02 Uncertainty in at 1 sigma 0 0 sn 113 1 7925E 03 lt MDA val ue printed Nuclide Activity Counting Unc Det_Limit oO Activity printed b Act_Best Act_Low Act_High Det_Thres Unc_Best B activity lt MDA and f C Area lt Critical qeve 3 83832E 01 Sample Type Settings for GvDemo An1 3 1 0246E 01 4 3379E 01 2 7868E 01 Sample System Decay Report Analysis Corrections is 5 8111E 03 6 7293E 01 1 1723E 02 et ee en ee ae 5 8111E 03 5 7344E 03 5 8879E 03 E Activity C Unknown peaks Decayed Activity C 8 0540E 01 Library peak list 3 4728E 01 4 4619E 00 6 9818E 01 M Library peak matrix Reporting Options BI 214 2 7056E 01 1 9501E 01 2 3672E 01 7 Nuclide abundance 2 7061E 01 1 2909E 01 4 1225E 01 iv ISONORM Choose from a Variety of Report Formats ae CS 137 5 3010E 03 1 6059E 01 1 6949E 01 Ad i Specifications General GammavVision integrates acquisition control Smart MCA and quantitative analysis functions for use in conjunction with PC based gamma spectroscopy workstations Online help and Operator Menu password
9. Services ROI Display window Sja fe ee Co fx a pjelelu mlz Efficiency 6 7 0 0792 1 0572 3 5234 3 08393 489 5 6950 5 2619 1 6942E 002 1 6955E 002 4 7320E 002 4 7820E 002 6 6593E 002 6 4242E 002 6 8328E 002 1574E 002 3 7515E 002 3 0854E 002 3 9781E 002 2 9312E 002 Energy key Efficiency Calibration Bare at 391 7100 ke Enter Calc a m Curent Table 10 Paws Delete Entry Merge Save Pulse Ht Analysis Stat 10 37 33 AM Real 4 219 80 Live 3 600 00 Dead 14 RoI lolx a Al aj 4 a Pesk PET 1991 69 Maker 2 403 391 85 k 22 813 ata Calibrating Close Sidebar to Finish or St to Cancel Below Quickly Create and Review Calibrations from a larger master library or from multiple master libraries using simple cut and paste operations In addition GammavVision also includes full integration of the Nuclide Navigator III library tool sold separately as model C53 B32 Note The Nuclide Navigator III option is required for implementation of the True Coincidence Summing correction method GammavVision v6 09 Gamma Spectrum Analysis Software The nuclide library database includes the nuclide n
10. ame half life half life Editing Lib2 Lib EE 2s reation 57 0 57 Cobalt uncertainty and nuclide category flags e g fission product thermal neutron Edition 3 8 2008 81295 AM Hat Lie aD activation product Additionally GammaVision provides usage flags such as mae i A No MDA exclude from Averaged MDA and key line designations to ret Edt Cos7 _ select which lines are to be used in determining nuclide peak averaged ds ee i Associated Nuclide CoS pe ores activity or MDA Rank Interactive Reanalysis Tool Gammas per 100 Disintegrations 9 5400E 000 TEST E TT The interactive reanalysis mode allows the expert user to repeatedly refit the ape Brea __ ___ spectrum while monitoring the fit residuals Peaks can be manually adjusted C x Ray K in energy and added or deleted from the reanalysis This is invaluable for 2 ee i oor INgIe c scape highly complex spectral analyses such as certain neutron activation and c Se aaa D e reactor coolant spectra Peak Flags A i I Key Line K Analysis Results Display Tool T Not In Average A The analysis results display tool allows the spectroscopist to view and print a spr ance peak nuclide identification information and absolute and relative residuals Le E The user is given a number of display choices and a zoom in out feature Generate Custom Nuclide Libraries allows close scrutiny of the spectrum A49 B32 DataMaster Fi
11. ault Mode Peak search by library direction for specified nuclides plus Mariscotti peak search for non specified nuclides referenced to suspected nuclides list Recommended for routine samples lowest detection limits e ISO DIS 11929 Compatible Calculations and Reports Automatic Isotope Identification Mode Mariscotti peak search followed by library peak qualification and reanalysis based on reduced library Recommended for unknowns False positive resistant Interactive Reanalysis Mode Iterative refitting of multiplets addition or deletion of deconvolution peak centroids adjustment of energy calibration with visual display of residuals Recommended for the most complex analysis problems Deconvolution Method Both peak finder and library are used to direct the deconvolution process Automatic recalibration of GammavVision v6 09 Gamma Spectrum Analysis Software Energy Channel based on identified peaks where possible Background Methods Wide range of background methods automatic multi point parabolic directed fit and stepped Selection by user or automatically applied to improve analysis results Multi Peak Activity Averaging Peaks are averaged on the basis of their relative abundance in the nuclide to produce the lowest possible uncertainty in the calculated activity Detection Limit Formalisms ORTEC MDA ORTEC Critical Level No MDA report zeros if less than MDA KTA MDA Detection Limit 2 sigma Japan De
12. copy http www ortec online com download AN55 pdf GammaVision Secure Automation For the production environment where large numbers of similar samples must be processed the acquire store analyze sequence may be reduced to simply clicking an icon which accesses the built in JOB facility These jobs may be password protected to prevent corruption by the inexperienced technician by using the Gammavision password feature Highly customized and simplified front ends may be achieved through the use of optional automation software products such as Global Value and LVis Details available separately GammavVision v6 09 Gamma Spectrum Analysis Software Multilanguage Support MEET ctictreque Services aI Afichege Een re sd Mpap Type Echantilon Gamma Vision provides support for languages other than English in the form of a native ae G n rateur de Rapport i ecnercne Pic language user interface The underlying structure supports easy translation Interested Rapport RI Cosi cen gt customers should contact ORTEC for details of the currently supported languages Sec ae S n l Spectre sur Disque n Affichage R sultats Analyse Energie Moyenne The GammaVision Reports Equivalent lode The product can only be as good as the output report Standard GammavVision reports are DAC MPC Gamma Total OR ZREL IRG BAXB RODR BRO BA e Flexible with user s choice of the amount of detail Compreh
13. ensive in long format all peaks found are dispositioned with explanatory REC T RRAS symbols FIP RERE R e Logically structured BNE ROR VEU ABA Text formatted for easy import to LIMS at SUaTHRIE G eee Hi aN MEAS JREARETE PBC P AATRES A44 B32 Report Writer ERMAR PREE E The report writer option incorporates a Microsoft Access database for data storage and PU EAR FHF SHEDAC MPC D Seagate Crystal Reports for reporting procedures Crystal Reports are versatile flexible it ym and can be modified to meet needs for highly customized reporting http www ortec online com download A44 pdf Interface and Reports Available in Multiple Languages A11 B32 Connections Programmer s Toolkit with ActiveX Controls The CONNECTIONS Programmer s Toolkit is a set of software modules that simplifies the task of accessing the ORTEC CONNECTIONS hardware when custom software is written This toolkit offers such a large improvement in programming efficiency that the ORTEC programmers use it to write the standard ORTEC software The toolkit is for use with 32 bit applications running under Microsoft Windows 2000 XP http www ortec online com download A11 pdf A12 B32 UFO SPC Analysis Results Programmer s Toolkit The Analysis Results Programmer s Toolkit provides 32 bit Dynamic Link Libraries DLLs of functions which can be used to create custom programs to interface with the spectrum and analysis results f
14. ew the results prior to saving the calibration Efficiency calibrations are similarly streamlined GammavVision also provides for manual entry of calibration data which may be useful in certain circumstances for example when only a less than ideal calibration standard is available An example might be having to calibrate on an old standard in which some of the nuclides are missing having decayed to a very low level Analysis Library Manager Tool The GammavVision library manager makes library building and editing both intuitive and easy Nuclides may be easily transferred Gammay ision GyDemo Spc MIXED GAMMA MARINELLI ON ENDCAP OF P402684 J File Acquire Calibrate Calculate Analyze Library Services AD Display Window EE El xl isa_a jejeje Elz me z Energy ke Lin Atten 14cm 3 4410EF 002 z 2 1676E 001 88 00 7211E 001 100 00 6 2982E 001 2 2865E 001 Bi Attenuation Table Miel Ea i Pulse BE eae Attenuation Wor E BEI Absorber Add Edit Density fin a4 g cm 3 Calculate Attenuation Attenuation Graph Graph t Linear 57 46 Mass i 1 902E 004 Attenuation Log Log 1 om at 150 00 kel Enter Table 37 Energies Delete Energy Delete Absorber Buffer 2 G Demo Spc MIXED GAMMA MARINELLI ON ENDCAP OF P402684 saya e mi File Acquire Calbrate Cal culate analyze pa
15. he ability to compare an acquiring spectrum with a reference from disk or the instant live Peak Info and Peak ID functions provide the user immediate reassurance that all is well during acquisition of a long count without having to interrupt the count itself Functions such as Jump to next spectrum peak library peak or region of interest peak while acquiring live data add to the user convenience of this MCA emulator Instant isotope markers can mark all gamma rays of a single nuclide from the library when any one of the gamma ray peaks from that nuclide is selected in the spectrum A peak amplitude estimator provides instant visual confirmation that all peaks of a nuclide are present and consistent In the interest of operator simplicity the design approach is very much what you see is what you get In other words the spectrum which is started cleared and analyzed is the one which the operator has selected for viewing As a member of the ORTEC CONNECTIONS suite of software products GammavVision has the capability to fully support up to 250 detector systems across a local area network A remote detector appearing to a local operator displays no different than a detector physically attached to the local PC GammaY ision GyDemo Spc MIXED GAMMA MARINELLI ON ENDCAP UF P40268A File Acquire Calibrate Calculate Analyze Libray Services ROI Display Window pjejeluj sla ee A Pulse HE Analysis Start 10 37
16. iles used by GammavVision for the analysis of gamma ray spectra from germanium detectors http www ortec online com download A1 2 pdf ORTEC 801 S Illinois Ave Oak Ridge TN 37830 Analyst ORTEC 11 45 24AM 8 18 2008 Sample Spectrum 1 GammavVision v6 08 Gamma Spectroscopy Analysis Report Analysis 1 HHHHHA HAA AAA TBEWTIFIEO PEAK SUMMARY e Nuclide Peak centroid Background Net Area Intensity Uncert FWHM Channel Energy Counts Counts cts sec 1 Sigma kev Sample Volume 2 00L Lab Preparation 8 13 2008 5 16 21PM Date 8 13 2008 5 16 21PM Customer Info Client Name Demo Company 1 057 1 0840 000 0 O00 0 00 0 00 36 26 88 05 29517 3906840 Cs l37 44 25 Cd 109 148 96 co 4 217 78 Co 57 246 64 Sn 113 487 91 Acquisition Calibration Name Demo 5 Initial Calibration Date 8 13 2008 3 33 58PM AAA SUMMARY OF LIBRARY FEAK US AGE Nuclide Average 9 Peak Hg 203 536 48 Wame code Actiwit Energy Activity Code MDA value sp 113 763 08 Becguerels kev Becquerels Becquerels Comments Y B loig 6i SSS Tee Cs 1l37 1309 81 0 00QOQE 00 88 03 0 Cs Ll3y 1594 00 22 16 Q vee ve ve te SUMMAR Y O F NUCLIDES I N SAMPLE Fete te tete Y B 1787 85 24 94 0 Time of Count Time Corrected Uncertainty 1 sigma
17. le Format Conversion Tool Optional DataMaster is a powerful spectrum conversion utility that is supported as an add in tool for GammaVision This program agreeing E sve neg mang AND ee N E E S allows enhanced flexibility in converting between a wide variety of j w i 7 m fe a Co elles ea a spectrum formats for use in GammaVision and other software B Analysis Results Table products Switching between different formats becomes as simple ee ae eae fst mm ta lt own gt as opening or saving a file 1704 24 Ha 203 2414104 Quality Assurance Tool The accuracy and reproducibility of results of a data acquisition system should be verified on a periodic basis Quality Assurance QA in GammaVision supplies a means for doing this in accordance with ANSI N13 30 and N42 14 The detector shield background detector efficiency peak shape and peak drift can be tracked with warning and acceptance limits These results are stored in a database and can be displayed and charted The database can be accessed with commercially available database products including Microsoft Access The information stored in the database for each detector includes Total Background Total pe Z oas a Activity Average FWHM Ratio Average FWTM Ratio and A CUES Rakor IE Average Library Peak Energy Shift Interactively Review Spectral Results ORTEC Application Note AN55 contains more information and help on starting and running QA for gamma spectros
18. ly the determination of a nuclide activity depends on the association of library nuclide data with the area of an actual spectrum peak Starting with a library of nuclides of interest is the most practical way of achieving this Second Difference Peak Search This method often referred to as Mariscotti peak search is used to locate additional peaks in the spectrum which are not associated with library entries These are unidentified peaks They may be used for two purposes first they can be used to alert the spectroscopist to the fact that nuclides may be missing from the analysis library which should be included and reported The second reason is that these peaks may be close enough to library peaks in the spectrum and may require deconvolution with those peaks for accurate results User Defined ROI Peak Location This method aids analysis of badly shaped peaks which might be rejected by the other methods as being unphysical or too poor in shape for further analysis Where the spectroscopist knows that such peaks will be present and must be analyzed this peak location method can force the process The peak centroid is defined as the ROI center GammavVision Analysis Methods As mentioned above GammavVision provides five distinct analysis methods These five methods are as follows WANS32 is the general purpose analysis method for use when none of the other four following methods is specifically mandated The library
19. orithms are integrated into one complete package GammavVision is broadly applicable to gamma spectroscopy applications A high degree of sample automation is possible for busy counting rooms and an array of corrections is provided to deal with sample nuclide and spectrum related effects The methods employed are compliant with recognized national and international standards such as ANSI ISO ASQ 9001 2000 ASME NQA 1 1989 and ASME NQA 2a 1990 and ISO DIS 11929 In addition to automation interactive analysis tools aid the expert spectroscopist GammavVision v6 09 Gamma Spectrum Analysis Software Main Graphical User Interface Intuitive Smart MCA features with live display of acquiring data e Simultaneous display of up to a total of 16 interactive windows on a single PC e Complete control of all MCA hardware and analysis processes e Total sample automation with simple to implement procedures e CONNECTIONS network support provides remote control of up to 250 detectors on a single system e Extensive password control ensures security of acquiring data and system settings The main GammavVision graphical user interface provides a color spectral display control of the hardware and of the analysis The graphical spectrum display and manipulation has a common look and feel with other ORTEC spectroscopy Review Live and Saved Spectra products particularly with the MAESTRO smart MCA emulator Features such t
20. ory Application Manager Update Subscription With the purchase of a new version of GammaVision you can also purchase a subscription that will provide you with automatic updates of GammavVision as they become available If you own a previous version of GammaVision you can purchase a software subscription now and receive an immediate update and additional updates during the subscription period Model Description A66 232 2 year subscription requires new purchase or BUL from any version of A66 B32 A66 332 3 year subscription requires new purchase or BUL from any version of A66 B32 A66 432 4 year subscription requires new purchase or BUL from any version of A66 B32 A66 532 5 year subscription requires new purchase or BUL from any version of A66 B32 Specifications subject to change 920E and 921E ORTEC www ortec online com Tel 865 482 4411 Fax 865 483 0396 ortec info ametek com 801 South Illinois Ave Oak Ridge TN 37831 0895 U S A For International Office Locations Visit Our Website 022013 AMETEK ADVANCED MEASUREMENT TECHNOLOGY
21. protection are included Operating Systems Windows 2000 XP 7 network capabilities support for preemptive multitasking and ORTEC CONNECTIONS compliant Spectroscopy Hardware Support All ORTEC MCBs past and present and all other devices supported by ORTEC CONNECTIONS Built in Support for advanced operations where supported in hardware amplifier gain shaping control Auto PZ DSPEC family optimize and InSight mode SMART 1 detector graphical setting of MCB spectrum stabilizer and statistical uncertainty peaks Detector locking password protection is supported File Formats Supported ORTEC SPC SPE and CHN are supported as standard in file save recall and compare functions Most non ORTEC file formats are supported by loadable modules in a set and forget fashion for save and recall Check for availability of specific modules Optional DataMaster spectrum file import export software can be added for easily converting and reading any spectrum format Semi Quantitative Smart MCA Functions Instant Mariscotti peak search with ROI marking and nearest match suspected nuclide identification Isotope markers mark spectral locations of all gamma rays of a chosen library nuclide providing confirmation that all peaks are present with peak amplitude estimator Net Gross peak areas with uncertainty calculation Peak centroid and shape Spectrum Strip Spectrum Smooth Spectrum Compare Quantitative Analysis Methods Def
22. s provided in the comprehensive user manual GammaVision Corrections Beyond the simplified analyses described above GammaVision provides correction capabilities for data and results in order to deal with e High Count rate random coincidence summing e Gain shift correction e True Coincidence summing geometry dependent Absorption of gamma rays in sample matrix of external absorber ANSI N42 14 and ASTM E181 82 compliant e Sample geometry different to calibration standard e Sample half life e Short sample half life activity decays during acquisition e Loss free counting where supported by hardware e Nuclides in sample also in background e Peak Interference Correction deconvolution or Total Overlap Correction library based stripping GammavVision Tools The Calibration Wizard Tool Calibration or recalibration of a Gamma Spectroscopy system can prove a time consuming and troublesome process The GammavVision Calibration Wizard makes the process simple With a highly graphical interface the spectroscopist can see that the calibration fits are good The use of a source certificate file editor allows standard data to be entered once saved and referenced for future use The patented energy calibration method U S Patent No 6 006 162 requires only that the appropriate library is chosen for the standard being used and with a click of the mouse an energy calibration is performed The spectroscopist can revi
23. tection Limit 3 sigma Japan Curie Limit RISO MDA ORTEC LLD Peak Area Air Monitor Gimrad method Nureg 4 16 Method Counting Lab USA DIN 25482 5 Erkennungsgrenze DIN 25482 5 Nachweisgrenze GTN5 CEA EDF France NUREG 472 Directed Fit Reporting of Negative Activities User selectable alternative method of calculating and reporting of small peaks which can result in negative peak areas and negative activity values The use of negative activities is useful in complying with regulations on environmental releases Decay Corrections e Decay correct to any date time either back or forward e Decay corrections for losses during acquisition e Decay during sample collection Spectral Corrections e Peaked Background Correction e Geometry Correction e Absorption Correction ANSI N42 14 and ASTM E181 82 compliant from materials database and or from physical standards e Random Summing high rate counting losses e True Coincidence Summing Correction e Library Based Peak Interference Correction Reporting Choose any ORTEC standard report option e Unknown peaks e Library peak list by energy e Library peak matrix by isotope e Activity summary e ISO DIS 11929 Compatible Calculations and Reports Determination of characteristic limits decision threshold detection limit and limits of the confidence interval for measurements of ionizing radiation Fundamentals and applications ISO DIS 11929 1997 7
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