User manual
Contents
1. IEC 610003 3 94 IEC 61000 4 2 95 IEC 61000 4 3 2006 IEC 61000 4 4 95 IEC 61000 4 5 95 IEC 61000 4 6 96 IEC 61000 4 11 94 IEC 61000 4 12 96 IEC 61000 4 13 2002 IEC 61000 4 14 99 IEC 61000 4 28 99 design group III performance criterion A Electromagnetic interference does not cause false triggering and restart of the measurement channel 1 2 16 With regard to seismic stability the gamma spectrometer stability against earthquake intensity 7 according to the MSK 64 scale at 30 m relative to the grade level 1 2 17 With regard to protection against electric shock gamma spectrometer is classified as class I according to the IEC 61010 1 2001 1 2 18 With regard to fire prevention characteristics gamma spectrometer complies with fire probability of no more than 10 year 1 2 19 Gamma spectrometer withstands the exposure to decontaminating solutions first solution caustic soda 50 60 g l potassium permanganate 5 10 g l second solution oxalic acid 20 40 g l third solution detergents 5 solution of the citric acid in the rectified ethyl alcohol for handling electronic devices 1 2 20 Overall dimensions of the shielding SZG 1 00e diameter 275x677 mm 1 2 21 Overall dimensions of the shielding SZG 3 0 0065 diameter 310x700 mm 1 2 22 Weight of the shielding SZG 1 ii ie essa tac aca 100 kg 1 2 23 Weight of the shielding LO EEN 110 kg 1 3 Configuration 1 3 1 Gamma sp2. as information regarding the utilization of the product 1 DESCRIPTION AND OPERATION OF THE PRODUCT 1 1 Product functionality Scintillation gamma spectrometer Progress gamma FVKM 412131 002 03 hereinafter gamma spectrometer represents a part of a spectrometric complex Progress for measurement of activity of alpha beta and gamma emitting radionuclides and can be used independently Gamma spectrometer is intended for measurement of activity of gamma emitting radionuclides in samples of the foodstuffs samples of biological origin water and soil samples and other environmental samples in the laboratory Gamma spectrometer can be used for radiation monitoring at nuclear plants at the enterprises and facilities which produce or use sources of ionizing radiation 1 2 Technical characteristics Ie Dye Ber OY AO Io ne vor wee sunne mac aan A EINES 200 to 2800 keV 1 2 2 Specific activity measurement range for geometry 1 L Marinelli beaker in standard shielding EE from 3 to 5 10 Bq kg ke EE from 7 to 5 10 Bq kg D EE from 8 to 5 10 Bq kg ee ENEE from 40 to 5 10 Bq kg 1 2 3 Highest possible count rate in the measurement channel 5 10 cps 1 2 4 Relative measurement error dde as e aa 30 1 2 5 Relative energy resolution at 662 keV ps NO MOTE than 8 1 2 6 Integral non linearity of the conversion characi nstis eege E no more than 1 t27 Warm up EE 30 min 1 2 8 Continuous OEA A ados 8 hours 1 2 9 Instabilit
3. in case of malfunction Products unsuitable for operation with radioactive contamination levels below permissible values should be dismantled to prevent further use and transferred to a special site for disposal of industrial wastes 8 4 Products with expired intended life time which are considered suitable for further use after decontamination shall be inspected for proper technical state In case of satisfactory technical state extended operation term of the product shall be determined FVKM 412131 002 03RE 11 Appendix A mandatory ASSEMBLING OF GAMMA SPECTROMETER SHIELDING Hl MO a aiT AUT AE A A A AA SE p T LEA SIA Li I Overview and dimensions of shielding SZG 1 II Shielding SZG 1 in section positions of the detector unit and Marinelli beaker are shown II Assembly diagram of SZG 1 FVKM 412131 002 03RE 12 A 1 COMPONENTS OF SHIELDING SZG 1 1 Post 2 Cylinder 3 Lid 4 Grounding screw 5 Ball 6 Insert A 2 ASSEMBLY SEQUENCE OF THE SHIELDING A 2 1 Withdraw the post 1 from package holding it by the round base plate A 2 2 Install the post on a flat level surface on the floor so as to exclude the possibility of the shielding turnover during assembling and further use A 2 3 Mount cylinder 2 onto the post 1 A 2 4 Place the ball 5 to the axis then place insert 6 A 2 5 Mount the lid 3 and connect spectrometer using grounding screw 4 ATTENTION DURING ASSEMBLING
4. unit and start spectrum acquisition in the background measurements mode During measurement the software shows on the screen values of the background count rate in the current and previous measurements FVKM 412131 002 03RE 8 2 In case that the difference between current and previously measured count rates in at least one of the checked intervals exceeds the criterion preset in the software it will warn the user about change of the background spectrum If this is the case eliminate the reason of increased background and perform two successive measurements of background in accordance with step 1 above In case that during the last background measurements a high background warning will appear again results of the calibration should be considered negative with the wording instability of the background readings It is recommended to dispatch gamma spectrometer for repair 3 Provided that background change warning does not appear upon completion of acquisition of the background spectrum 3600 seconds record the results of background measurements in the table 4 3 Table 4 3 Results of background measurements Count rate in the energy intervals cps 1 2 3 4 5 6 Measured background spectrum Previously measured background spectrum 4 5 3 3 Measurement of the working standard activity 1 Perform energy calibration in accordance with section 4 5 3 1 and record results in the table 4 2 2
5. OF THE SHIELDING BEWARE OF HANDS AND FINGERS SQUEEZING BETWEEN SHIELDING PARTS SHIELDING MATERIAL IS LEAD FVKM 412131 002 03RE 13 Appendix B mandatory CONNECTION LAYOUT Function of USB port contacts PIN SIGNAL 1 5 2 Data 3 Data A2 220 V 50 Hz Position Item Q ty Note Al Detector unit BDEG3 2 1 A2 System unit of the PC 1 FVKM 412131 002 03RE 14
6. Remove calibration source out of the detector unit and place working standard with geometry Marinelli beaker 1 L instead 3 Start acquisition of the spectrum in the activity measurement mode by selecting geometry Marinelli 1 L Record in the table 4 4 values of the measured specific activity and uncertainty of measurement results for each of the gamma emitting radionuclide included in the working standard together with reference activity of this standard indicated in the calibration certificate for the working standard after correction for decay Table 4 4 Results of specific activity measurements of the working standard Measured specific activity Reference specific Radionuclide sta activity Uncertainty 4 5 4 Processing of the measurement results 1 Calculate the mean value A of measured activity of the working standard OISN see 4 5 3 3 2 Calculate relative measurement error of the working standard activity by the following formula AA 5 1 21 100 4 1 A where Ao specific activity of the working standard OISN indicated in the calibration standard after correction for decay Bq kg A mean value of measured specific activity of the working standard Bq kg FVKM 412131 002 03RE 9 Calculate limits for the basic relative error of activity measurement of the working standard OISN in percents by the following formula A 11 02 67 4 2 where 0 uncertainty of
7. S Oo3a Scientific Production Company Doza SPECTROMETRIC COMPLEX FOR MEASUREMENT OF ACTIVITY OF ALPHA BETA AND GAMMA EMITTING RADIONUCLIDES RPOGRESS SCINTILLATION GAMMA SPECTROMETER RPOGRESS GAMMA User manual FVKM 412131 002 03RE Content 1 Description and operation of the product 0 0 00 cce cece cece eee eee ee ene enaeeaes 3 1 1 Product ee Oe 3 1 2 Technical characteristics y A SNE 3 UE Configuration cass chased E 4 1 4 Design and operation arca odias 4 1 5 Marking and sean EE Eeer 5 2 Intended EE 5 2 l Operating limitations EE 5 2 2 Preparation of the product for use c cece eee ee ene cere eee en enna ene eeeeees 5 SE EE 6 EE 6 Ee EE 6 3 3 Maintenance TOULING sa 6 4 CAMA OMNIA EE 7 4 1 General TEQUITEMENLS Arapiles El A I 4 amp 3 Safety precautions E 7 ARCO IICA A E het Ure 7 AD Procedur soosoo ee ee 7 5 Routine Tepas EEN 10 Oi EIERE Ee 10 A ee S E 10 So Dl a lee edad cd 11 Appendix A Assembling of gamma spectrometer shielding ooooocconccccocccccncnccncnss 12 Appendix B Connection layout 12 65 ti decays 14 FVKM 412131 002 03RE 2 This user manual FVKM 412131 002 03RE contains information on design principle of operation characteristics of the scintillation gamma spectrometer Progress gamma and instructions essential for correct and safe use of this product intended use maintenance servicing storage and transportation as well
8. ectrometer is a stationary unit with scintillation detector unit personal computer and software Progress intended for control in all modes of operation and all steps of the measurement process for processing of measurement data and recording results 1 3 2 Gamma spectrometer includes scintillation detector unit based on sodium iodide crystal NalI TI of different dimensions power supply unit and pulse amplifier analog to digital converter ADC and lead shielding block for shielding of natural background radiation As a rule power supply units and pulse amplifiers as well as ADC are placed directly in the detector block Different beakers and dishes are used for measurement of counting samples 1 3 3 Combined Cs K calibration source comes with gamma spectrometer which is used for energy calibration and performing routing performance testing The source represents a 1 L Marinelli beaker 1 4 Design and operation 1 4 1 Mode of operation of the gamma spectrometer is based on acquisition of raw spectrum of pulses from detector which detects radiation emitted from the counting sample exposed under fixed measurement conditions Activity of a radionuclide in the sample is determined by means of spectrogram processing in the personal computer using the Progress software 1 4 2 The Progress software allows to control the gamma spectrometer operation analyze spectrogram and identify radionuclides determine activity of corresponding n
9. hen connecting several detector units of the complex Progress to the same PC units are connected independent of each other to vacant USB ports Use USB splitter if necessary FVKM 412131 002 03RE 5 2 2 3 Turn on the PC Warm up the gamma spectrometer for 30 minutes 2 2 4 Start the Progress software by clicking on the corresponding icon on the desktop 2 2 5 Detailed description of steps during operation of the gamma spectrometer is presented in the following documentation that comes with spectrometer Procedure for performance testing of the spectrometric complex Progress for activity measurement of alpha beta and gamma emitting radionuclides gamma channel Procedure manual for measurement of radionuclides activity using the scintillation gamma spectrometer with software Progress Software for complexes Progress for spectrometric and radiometric measurements User manual Set of documents on performing radiation monitoring of foodstuff using spectrometric and radiometric complex Progress 3 MAINTENANCE 3 1 General notes 3 1 1 Maintenance of the gamma spectrometer shall be performed with the purpose of ensuring operability during all life time Types and terms of maintenance are shown on the section 3 3 3 1 2 Performance testing is carried out during annual calibration of the gamma spectrometer in accordance with the procedure described in the section 4 3 1 3 Safety measures indicated in the sect
10. ion 3 2 should be followed during maintenance of the gamma spectrometer 3 2 Safety precautions 3 2 1 All work associated with the operation must be performed in accordance with instructions for safety and radiation safety applicable in the enterprise 3 2 2 Maintenance of the gamma spectrometer is carried out by persons trained in operation of radiometric and spectrometric instrumentation having permission for work with high voltage supplies having permission for work with sources of ionizing radiation 3 2 3 When performing work one should pay special attention to condition of the power cord and power switch dangerous voltages can be present in that locations 3 3 Maintenance routine Maintenance is divided into routine and periodic 3 3 1 Routine maintenance Routine maintenance is carried out during regular operation of the gamma spectrometer it includes daily dust removal from outer surfaces and measuring gamma radiation background Upon increasing of the gamma radiation background perform decontamination of outer surfaces of the detector unit and inner surfaces of the lead shielding It is necessary to wash measurement vessels Marinelli beakers and Petri dishes with suds after each measurement It is necessary to inspect connecting cables switches and connectors wipe leads of plugs and sockets with ethyl alcohol total ethyl alcohol consumption 150 g 3 3 2 Periodic maintenance Periodic maintenance includes check
11. ll of the room and in a way problems are excludes with connecting units to the wall outlets and to the protective earth terminals It is recommended to place the monitor so as not to expose its screen to the direct sun light and to ensure protection in the place where the detector is located 2 1 3 Gamma spectrometer should be used in rooms where increasing of the natural background is not possible 2 1 4 Gamma spectrometer has to be used in rooms where the presence of constant and or alternating magnetic fields with strength more than 40 A m is excluded 2 1 5 Qualified specialists engineer physicists and technicians laboratory assistants are allowed to operate and perform maintenance of gamma spectrometer Those specialists shall be trained in practical use of the Procedure manual for measurement of activity of radionuclides using the scintillation gamma spectrometer with software Progress 2 2 Preparation of the product for use 2 2 1 Assemble the shielding of the gamma spectrometer and connect it to the protective earth terminal The assembly sequence is shown in the Appendix A Note Sometimes connection of the protective earth can cause increasing of noise in the spectrometric channel If this is the case check that all parts of the gamma spectrometer are connected to the common ground loop 2 2 2 Connect cable of the detector unit to the USB port of the personal computer in accordance with the wiring diagram in the Appendix B W
12. of the technical condition of the gamma spectrometer it shall be performed on a regular basis at least once a month The check is performed by means of measurement of a count rate from calibration sources using specified mode of operation of the spectrometer FVKM 412131 002 03RE 6 Technical condition of the gamma spectrometer is considered acceptable in case the deviation of the measured count rate from the reference count rate indicated in the certificate of calibration does not exceed 10 4 CALIBRATION ROUTINE 4 1 General requirements 4 1 1 Calibration of the gamma spectrometer is performed in accordance with IEC 61453 2007 4 2 Preliminary arrangements 4 2 1 Operations that should be performed during calibration and required equipment are listed in the Table 4 1 Table 4 1 List of calibration operations Operation Section Calibration equipment and its characteristics 1 External examination 4 5 1 Visual 2 Testing 4 5 2 3 Determination of 4 5 3 Calibration source Cs K included in the delivery kit of metrological characteristics the gamma spectrometer Working standard of activity OISN granular or solid geometry Marinelli 1 L Cs or Ra or Th with activity from 1000 to 3000 Bq kg and density 0 8 1 2 kg L PC with Software Progress 4 Processing of results 4 5 4 Note It is acceptable to use other calibration equipment with characteristics that ensures determination of met
13. pear on the screen typical shape of the spectrum is shown in the Figure 4 1 Ee KEE ES e Figure 4 1 Apparatus spectrum of the 1 Cs K source measured by gamma spectrometer 4 5 3 Performing measurements 4 5 3 1 Measurements of the calibration source 1 Place the calibration source Cs K on the detector unit for performing energy calibration 2 Start measurement in the energy calibration mode During measurement process the software shows on the screen positions channel numbers n1 and n2 determined from the calibration source spectrum these positions correspond to complete absorption peaks in apparatus spectra of radionuclides Cs and K 662 and 1461 keV accordingly and the measured count rate within energy range from 600 to 720 keV 3 After 150 seconds make a record in the row 1 of the table 4 2 In the columns Reference mark 662 keV and Reference mark 1461 keV channel numbers are to be recorded corresponding to positions of complete absorption peaks and in the column Test count rate the value of measured test count rate Table 4 2 Results of the energy calibration by source Cs K Reference mark 662 keV Reference mark 1461 keV Test count rate measurement 4 Perform at least five successive measurements of calibration source and record the results into the rows of the table 4 2 4 5 3 2 Measurements of background 1 Remove calibration source out of the detector
14. rological parameters with required precision 4 3 Safety requirements 4 3 1 It is necessary to follow safety requirements described in section 3 2 and in documentation accompanying calibration tools and equipment 4 4 Conditions 4 4 1 The following normal operating conditions shall be met during calibration gt AP a e o dl oO a ab 20 5 C Pelative air humidity ainia from 30 to 80 gt atmospheric EE 86 0 to 106 7 kPa 4 4 2 Operations conducted with calibration facilities and gamma spectrometer under test shall comply with guidelines detailed in relevant operation manuals 4 4 3 Before switching the gamma spectrometer on and performing the calibration keep it in conditions specified in 4 4 1 for 4 hours 4 5 Procedure 4 5 1 External examination The following should be confirmed during the external examination completeness of the delivery kit presence of operational documentation absence of defects affecting the operation of gamma spectrometer FVKM 412131 002 03RE 7 4 5 2 Testing Turn the gamma spectrometer on computer and power supply unit and wait until warming up for 30 minutes Start Progress software and initiate viewing mode of the apparatus spectrum of gamma spectrometer Place the calibration source Cs K in standard position and start measurement in the energy calibration mode in accordance with the user manual for the software Progress A live spectrum will ap
15. sport have to ensure stable condition during transportation absence of relocation and shocks resulted from collisions with each other 7 3 It is necessary to follow the requirements indicated on the package during loading and unloading During loading and unloading the gamma spectrometer should not be exposed to atmospheric precipitations FVKM 412131 002 03RE 10 7 4 Transportation conditions EIDEN EES from minus 50 to 50 C provided a smooth thermal stabilization is ensured at unloading to temperatures from minus 10 to 40 C and subsequent storage under normal conditions during 24 hours o O TO up to 98 at 35 C sinusoidal vibrations in the frequency range from 10 to 55 Hz with displacement amplitude 0 35 mm 8 DISPOSAL 8 1 After a full life of beta spectrometer products included in its composition before sending it for repairs or for calibration should conduct a survey products for the presence of radioactive contamination of surfaces Criteria for deciding on the cleanup and future use are taken in accordance with the mandatory requirements of national standards 8 2 Decontamination should be carried out with solutions in accordance with 1 2 19 in cases where the level of radioactive contamination of surfaces products including accessible for repair can be reduced to acceptable values 8 3 Products for which the permission was granted for further use after decontamination are subject for repair or replacement
16. the working standard OISN indicated in the calibration certificate for the standard Calibration results are considered positive if the value of the basic relative of measurement error does not exceed limits stated in the section 1 2 4 5 ROUTING REPAIR 5 1 Defective detector units of the gamma spectrometer are to be replaced or repaired by the manufacturer 6 STORAGE 6 1 Before putting into operation gamma spectrometer shall be stored in the heated and ventilated warehouse in manufacturer s package at ambient temperatures from 5 to 40 C and relative humidity up to 80 at 25 C unpacked under conditions at ambient temperatures from 10 to 35 C and relative humidity up to 80 at 25 C 6 2 The storage location should be free of dust chemical vapours aggressive gases and other substances that may cause corrosion Gamma spectrometer should be kept away from direct sunlight 7 TRANSPORTATION 7 1 Gamma spectrometer in the original package of the manufacturer can be transported by all means of transport at any distance transportation by rail should be carried out in clean boxcars during transportation in the open motor transport boxes should be covered by the water proof material during transportation by air boxes should be placed in airtight heated compartment during maritime and river transportation boxes should be placed in the hold 7 2 Arrangement and fastening of boxes on all means of tran
17. uclides in the sample and compute the measurement error and register measurement results FVKM 412131 002 03RE 4 1 5 Marking and sealing 1 5 1 A label should be attached to the products which constitute gamma spectrometer with the following designations designation of the product works number of product or unit according to the manufacturer s system of numeration year of production power consumption voltage or current power frequency degree of ingress protection provided by casings made in Russia 1 5 2 Place and method of marking of the products which constitute gamma spectrometer should comply with the design documentation 1 5 3 All products which constitute gamma spectrometer should be sealed in accordance with design documentation 1 6 Package 1 6 1 Packaging meets the design documentation and provides protection against penetration of atmospheric precipitation and aerosols splashing water dust sand solar ultraviolet radiation and limits the penetration of water vapor and gases 2 INTENDED USE 2 1 Operating limitations 2 1 1 Gamma spectrometer shall be stationary installed in the laboratory room where normal conditions of operation are ensured There are no special requirements for the room where the gamma spectrometer is installed 2 1 2 Scintillation detector unit with shielding shall be mounted in a location within a room where the possibility of vibrations is minimal closer to a corner or a wa
18. y during 8 hours of continuous operation ocooccocccncncnnnncnconcnncnnonanencnnos 2 1 2 10 Power supply of the PC from mains power supply ooocoooc 220 25 V 50 Hz 1 2 11 Power consumption including PC 400 VA 1 2 12 Microclimatic factors of the environment during operation of the gamma spectrometer operating temperature range ria die sada nak cartendesknaei seeder form 10 to 40 C relative bh midity lla edu up to 98 at 35 C atmospheric e from 84 0 to 106 7 kPa content of the corrosive agents in the ambient air corresponds to the values in table 1 1 Table 1 1 Type of atmosphere a l SC Content of the corrosive agents Designation Description Sulfur dioxide gas no more than 20 mg m day I Relatively clean not more than 0 025 mg m Chlorides not more than 0 3 mg m day Sulfur dioxide gas no more than 20 to 250 mg m day TI Industrial not more than 0 025 to 0 31 mg m Chlorides not more than 0 3 mg m day FVKM 412131 002 03RE 3 1 2 13 Gamma spectrometer withstands sinusoidal vibrations in the frequency range from 10 to 55 Hz with displacement amplitude 0 35 mm 1 2 14 Casings of the gamma spectrometer ensure protection against penetration of solid objects and water in accordance with the IP23 1 2 15 Gamma spectrometer is proof against electromagnetic interference in compliance with the IEC 1000 4 8 93 IEC 1000 4 9 93 IEC 61000 3 2 95
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