User Manual
Contents
1. 0401 42413 FVKM 412123 011RE 2 ns ubisap ay 0 patjI2ads St jaund uorn3iunumo J0 28UU023 jo adky aul 260 5 ubisap 801 Si 591002 yo 4ybu3 Suoljipuos uoljosado ays Aq aso sajgu2 jo 5800 Z 77110 22121 7 WHA 04 puodsaJ 02 Suoljoubisap jouolfisod 5 nding 4 COX 597 S 6101281190 xipuoddy a LALE iig m 5 Ly l 4H 8418581 gt 84 858 sS i gt t HH E viva l Ad Ay 4807 WOOZL 04 dn ALIS 5 91902 920 8 1 uJa44nd Bursapjos 58180 65X OXEX4 58 09 FVKM 412123 01 IRE 22 Appendix E Obligatory DWPTest SOFTWARE USER MANUAL Content E A Purpose of the Wares us cascawaveakigasaneneiavaeadrodeagsaneancnacanaguings 29 E 2 Conditions for running the software sess 23 E 3 Input and output data uio oto ebat er DOR OE ex eet 24 4 Running the software bt dee xe ERA 24 E 4 1 Structure installation and running the software 24 Using iet degit 24 E 4 2 1 Setting up the software cues EX E IRI 24 E 4 2 2 Working with radiometer 25 5 Software protection RE ead EE os cM 28 This User M2. gt 010101 gt gt FFFFFF RD type 7D reg FA 3 gt FFFFFF 010101 06 7D 0100 FA gt 010101 gt gt FFFFFF RD type 7D reg FA Port COM1 Stop bit 1 Receive byte to byte timeout ms 20 Baudrate 9 00 Parity none v Send byte to byte timeout ms jo 12 31 09 REGISTERS Port settings OK UDG_03D_calibrator Figure E 6 Recording changed parameter value to radiometer memory E 5 SOFTWARE PROTECTION The software does not perform any conversions or calculations with received measurement data or other data that it receives or sends the software is not involved in the measurement process The process of sending and receiving data is accompanied by checks of data packet integrity both on the software side and on the side of connected devices Any authorized or unauthorized changes in the software affecting functionally important parts make receiving or transmitting data impossible The information that confirms integrity of radiometer s software and its initial parameters is the absence of alteration in parameters read by the software and checked by the operator in the measurement process as well as the fact that the access key file is provided for authorized users only FVKM 412123 01 IRE 28
3. 1 2 13 Operating conditions operating temperature range from minus 10 to 50 limiting value of relative humidity 98 at 35 1 5 oues 84 0 to 106 7 kPa allowable content of corrosive agents in the ambient air are presented in Table 1 2 Table 1 2 Type of atmosphere Content of corrosive agents Designation Type Sulfur dioxide gas not 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 not more than 20 to 250 mg m day Industrial not more than 0 025 to 0 31 mg m Chlorides not more than 0 3 mg m day Sulfur dioxide gas not more than 20 mg m day not more than 0 025 mg m Chlorides 30 to 300 mg m day 1 2 14 Limits of the permissible complementary error of measurements of activity concentration of beta radioactive gases due to ambient air temperature deviation from normal conditions to operating limits 10 due to increased humidity of ambient air equal to 98 at 35 C 10 96 1 2 15 Radiometer are resistant to sinusoidal vibrations in the frequency range 10 to 55 Hz with displacement amplitude of 0 35 mm Limits of the permissible complementary error of measurements of activity concentration of beta
4. 14 4 2 Preliminary arrangements Une reet gta 14 4 3 Safety PLECAULIONS socne sa ove tale npe qu te 15 dus d 15 Prog dte Bos o 15 5 outing TEDdltsa cod ute ex Het E RASA KI OR ERR REV weds utes 17 aor iu ERE 17 T ebraica d aestu 18 SS Disposal i pa areata 18 Appendix A Description of data exchange registers in the DiBUS protocol 19 Appendix B Outline drawing ise icd bere oe br ped dan Ede Re dee BEEF STRA FREE 20 Appendie c tu pa qt ose qd ca talia 21 Appendix D Connection CE rx A yt ap 22 Appendix E DWPTest software user manual 25 FVKM 412123 01 IRE 2 This User Manual contains information on design principle of operation characteristics of the product and instructions essential for correct and safe use of this product intended use maintenance servicing storage and transportation as well as information regarding the utilization of the product 1 DESCRIPTION AND OPERATION OF THE PRODUCT 1 1 Product functionality Gas radiometer UDG 03D FVKM 412123 011 hereinafter radiometer are designed for continuous measurements of activity concentration of beta radioactive gases
5. Channel 2 Kf intrinsic background 0 000000E 0 Channel 2 ID channel identifier 0 010101 gt gt FFFFFF RD type 7D 010101 gt gt FFFFFF RD type 7D reg FA 3 gt FFFFFF 010101 gt 010101 gt gt FFFFFF RD type 7D reg FA gt FFFFFF 010101 06 7D 0100 gt 010101 gt gt FFFFFF RD type 7D reg FA D gt FFFFFF 010101 06 7D 0100 gt FFFFFF 010101 06 7D o B 5 o ar m Port COM1 bd Stop bit 1 Receive byte to byte timeout ms m Baudrate 9600 7 Send byte to byte timeout ms 12 31 09 REGISTERS Port settings UDG 03D calibrator Figure E 5 Content of readout register For entering a new parameter value double click in the column New value next to that parameter enter a new value and click TO DEVICE The new parameter value will be transmitted and stored in the radiometer When clicking the button TO DEVICE the received packets in their original and decoded form lower right and left sides of the terminal area name of software and version of internal software are displayed unchanged i e information has not been transmitted to radiometer The Figure E 6 shows an example of an attempt to write the changed parameter in memory of radiometer by unauthorized user in this case in the right side of the terminal area New value a changed software version is displayed When an authorized user s
6. argon krypton xenon in monitored areas at nuclear power and nuclear industry facilities on ships with nuclear power plants as part of the radiation monitoring systems complexes and installations Radiometer is capable to transfer to an external data transmission channel the following measured value estimate of statistical uncertainty of measured value and self testing information according to DiBUS protocol using RS 485 interface Radiometer is permanently mounted on load bearing structure using a bracket Radiometers are available in two modifications different by features as shown in Table 1 1 Table 1 1 Modifications of radiometers Designation of Modification Design features One chamber is used for measuring of activity FVKM 412123 011 Basic modification concentration of radioactive gases another one is used for measuring of background radiation Both chambers are used for measuring of activity FVKM 412123 011 01 Modification 01 concentration of radioactive gases to increase the sensitivity of the radiometer 1 2 Technical characteristics 1 2 1 Energy range of measured beta radiation 60 to 3000 keV 1 2 2 Measurement range of activity concentration of beta radioactive CASES repu on nct aro ra OON IN ER tee 1 0 10 to 1 0 10 1 2 3 Limits of the permissible basic relative error for measurements of activity concentration
7. 1CO s calculated by the formula I E I 5 4 3 where Ipasp the beta particles flux of 1CO source 5 from Certificate of Calibration for the source t the time elapsed since the source calibration years 29 1 years is the half life of Sr 9 repeat measurements with the other reference sources from Table 4 2 10 calculate the mean value of conversion factor based on results of measurements with all reference sources K conv 11 when performing calibration of radiometer of modification 01 determine the conversion factor to convert readings of beta radiation of Kr into readings of beta radiation of Sr Y for the second chamber following steps 1 10 4 5 6 Determination of check source reading To determine check source reading 1 turn on the radiometer without turning on pumping 2 after 30 minutes remove the plug from one of the chambers and place the check source in its position as shown in Figures 2 1 2 5 3 after 3 minutes record at least 10 consecutive readings of activity concentration indicated by the radiometer and calculate the mean value 6 remove the check source 7 install the plug in place 8 repeat steps 1 7 for the second chamber S ROUTINE REPAIRS 5 1 Routine repairs of radiometer include restoration of damaged cables and connectors Defective modules of radiometer shall be repaired or replaced at the factory of manufacturer 6 STORAGE 6 1 Prior to putting i
8. e dde from minus 50 to 50 3 a up to 98 at 35 sinusoidal vibrations within frequency range from 10 to 500 Hz with displacement amplitude for frequencies below the crossover frequency 0 35 mm and acceleration for frequencies above the crossover frequency 49 0 m s free fall shock for falls from a height of no more than 25 mm 8 DISPOSAL 8 1 Upon the expiration of the full service life of radiometer or its component parts as well as prior to dispatching for repair or calibration it they shall be inspected for possible radioactive contamination of its surfaces Criteria for decision making on decontamination and further use shall comply with obligatory requirements of national standards 8 2 Decontamination shall be attempted in cases when the contamination of radiometer surfaces including surfaces accessible during repair can be reduced below allowable limits In case the radioactive contamination exceeds allowable limits requirements set forth for the radioactive wastes become applicable to such radiometers 8 3 Radiometers accepted for operation after decontamination are subjects for repair or replacement in case of failure Radiometers not suitable for operation with radioactive contamination levels below permissible limits sho
9. of beta radioactive gases n 20 96 1 2 4 Sensitivity of radiometer to beta radiation Sr PY point source 1 7 10 to 8 5 10 particle m Bq s RENE micelles 1 10 to 5 10 Note Sensitivity to beta radiation of Kr was obtained by experimental method and is intended for reference 1 23 Warm p time ers e vtta Rosie not more than 10 min 1 2 6 Continuous operation cocotte eo Or thee not less than 24 h 1 2 7 Instability of readings during 24 hours of continuous operation relative to the mean value ofthe first measurement readings eee vro rione net Re adr e eau e inea not more than 10 95 1 2 8 Intrinsic background of radiometer not more than 4 10 Bq m 1 259 Air NOW Tate feud eon not less than 10 L min 1 2 10 Radiometer is capable to transfer to an external data transmission channel the following measured value estimate of statistical uncertainty of measured value and self testing information according to DiBUS protocol using RS 485 interface Description of data exchange registers using DiBUS protocol is given in Appendix A FVKM 412123 01 IRE 3 1 2 11 Power supply of radiometer is provided from DC source with voltage 12 V L2 T2 Power CODSUImpDLOD EN io eda seg not more than 5 VA
10. radioactive gases under the impact of vibration sss 5 1 2 16 Radiometer is stable against seismic impacts with magnitude 7 according to the MSK 64 scale being installed on the building structures of the industrial site at 70 to 30 m relative to the grade level During seismic impact and after it radiometer can perform its functions and maintains operability according to 1 2 3 1 2 9 1 2 17 Degree of protection provided by casings of radiometer against ingress Of solid items and water eoe e e tk Sra gona IP65 1 2 18 Radiometer is stable against electromagnetic interference in compliance with IEC 1000 4 8 93 1000 4 9 93 IEC 61000 4 2 2008 IEC 61000 4 3 2006 IEC 61000 4 4 2004 IEC 61000 4 5 95 IEC 61000 4 6 96 IEC 61000 4 12 95 and complies with the emission standards stated by IEC 22 2006 for class A equipment 1 2 19 Radiometer is resistant to the effects of background gamma radiation with maximum level of ambient dose equivalent rate 0 01 mSv h under these conditions the complementary measurement error of activity concentration of beta radioactive gases will not exceed 20 96 1 2 20 Degree of protection against electric shock of radiometer complies with the requirements of IEC 61010 1 2001 1 2 21 Radiometer is a fire safe product with probability of causing fire less than 10 year 1 2 22 Radiometer withstands the exposure to decontaminating solutions 1 caust
11. A RADIOMETER FOR USE IGNORING THESE REQUIREMENTS MAY LEAD TO INCORRECT FUNCTIONING OF RADIOMETER AND IN SOME CASES TO ITS FAILURE 2 2 1 To prepare radiometer for use 1 place radiometer in the work area 2 place filter in filter holder to prevent aerosol and dust entering working volume of the chambers 3 provide pumping air through the radiometer FVKM 412123 01 IRE 6 4 connected radiometer to an external PC via LINK connector using a cable as shown in the Appendix C use interface conversion device 5 apply DC voltage 12 V 6 on personal computer run the DWPTest software with the instrument description file 960 5114 common rst in accordance with DWPTest Software User Manual see Appendix E and to make sure that reading of radiometer parameters is done The software allows operator to work with radiometer in two modes mode 1 normal operation mode programmed polling of connected radiometer and receiving responses in automatic mode in this mode the operator cannot send data to radiometer from PC mode 2 configuration calibration or debugging this mode allows an authorized user to enter certain data in the radiometer adjusting coefficients or constants To work in this mode the user receives the instrument description file dbg slld calibrator rst that allows the authorized user to input necessary information and also serves as the access key of authorized user 2 2 2 Functional test of radi
12. Joos Scientific Production Company Doza GAS RADIOMETER UDG 03D User manual FVKM 412123 011 RE Content Description and operation of the product cece ee eee ene eee ene enne ees 3 1 1 Product seco pense tops deine GER MA A ra 3 1 2 Technical Characteristics eo un EE REA ne p ios pa e Ra eoi aa 3 een eto te 5 eut eee oS shat dite rod 5 l 5 Marking and sealing ico eee hi Veto ed bar tul edes 6 VG Packing zen ob I oa v E FED e vt Rate doa Vadis eate 6 2 Intended S63 sees ruso pas fais neues 6 2 1 Operational Imitations od iaceo rac er E 6 2 2 Preparation of the product for use ceo eer nere E Ree tea ee SII bo 6 2 3 WISE OL Ale usb osi tac a bau fot 10 XA Adjustment sse cesar ro Droite ripe Fd REV REA REFER 10 D gt sWIAMMEGHANIC Gere OR MK 10 2 1 Generdl 10 35 2 ATELY PIECAUTIONGS uico eee LI RV eH Mati casae sn ou 10 3 3 Maintenance ote RR 11 4 Calibration routne oc tace pep Der eda 14 4 1 General TO RPN CERA US Ma ei UE d
13. W DiBUS address 21h 09h Restart of measurement in a channel W Byte 01h Software version R Word 03h FVKM 412123 01 IRE 19 411004007 7150 11 19 1592 901 5 1 098 1500 a2u0p40230 ut sof 1 5 joas sajawoipoy 7 yuojoas auojj s uo Zod J0j38aUu03 aq pun sod uotjsod Jo D3Ipu E WIAA BUIMDJP 10313430 uo UNJ DUM 2 2 sugisuaum 1 tc 040 907 002 020 TSCLUE WYAF 92205 2807 j jno am 902 952 8 ILE DNIANVIHIG ANTILAO 42038190 xipuoddy FVKM 412123 01 IRE 20 40402IpUI y30jg 3004 38 iv TX fappour 4042343P 40423343P 4UBU INSDZN sy V 92941840 Nd aso X 470 JI Butt ity LIX 40403IpUI 91X 484 J 40015 57 ON 5 7 E a 0400 2 See LE E 403 1 gt 724 52x DNPHIA 61028190 2 xipueddy 089225 Nim st 55
14. anual describes the purpose and features of the software DWPTest FVKM 004001 hereinafter the software when using with radiometer and describes how to use the software E 1 PURPOSE OF THE SOFTWARE The software is designed to work with radiometer that uses asynchronous serial communication channel and corporate communication protocol DiBUS for enterprise instrumental networks of SPC Doza The software is capable to poll connected radiometers and receive responses from them in automatic mode set and save user defined settings during calibration or adjustment of radiometers The software is an auxiliary product it is not involved in measurements and has no effect on metrological characteristics during measurement process The software interface language is Russian E 2 CONDITIONS FOR RUNNING THE SOFTWARE E 2 1 System requirements Minimum hardware and software requirements Operating system Windows ME 2000 XP Pentium processor 120 MHz RAM 64 Mb Free space on hard drive 60 Mb Monitor 15 with resolution 800x600 Mouse Serial port E 2 2 Connection of radiometer to PC For communication with radiometer RS 485 interface is used FVKM 412123 011RE 23 E 3 INPUT AND OUTPUT DATA The input data for the software are measurement and accompanying information sent from radiometer to operator in respond to polling by software The output data are values of measurement adjustment and related
15. dosimeter follow occupational and radiation safety requirements of current safety instructions in the company enterprise 3 2 3 Maintenance of radiometer shall be performed by technical staff with skills in radiometric equipment and PC user skills FVKM 412123 011RE 10 3 2 4 It is recommended to perform connection and disconnection of the communication cable when power is off When radiometer is used as part of information and measuring system hot connection and disconnection of the communication cable are allowed i e without shutting down the system ATTENTION COMPLY STRICTLY WITH THE REQUIREMENTS SET OUT IN SECTION 2 1 IGNORING THESE REQUIREMENTS CAN LEAD TO INCORRECT FUNCTIONING AND IN SOME CASES TO FAILURE OF RADIOMETER 3 3 Maintenance routine Maintenance is divided into routine and periodic 3 3 1 Routine maintenance Routine maintenance is carried out during regular operation It includes visual inspections of radiometer cleaning of dust and dirt from radiometer casing and timely replacement of filter General visual inspections General visual inspection shall be carried out each time the radiometer is switched on with the purpose of timely detection and elimination of factors that may compromise its operability and safety During visual inspection cable condition and fixing of radiometer are to be determined If necessary cleaning of dust and dirt from radiometer is carried out General visual inspection shall be ca
16. eadings 4 5 3 Determination of basic relative measurement error of activity concentration 454 of beta radioactive gases ui Determination of conversion factor to convert readings of beta radiation of into readings of beta radiation of Sr y S Determination of check source reading 4 5 6 4 2 2 Primary and auxiliary tools and equipment necessary for calibration are presented in the Table 4 2 FVKM 412123 01 IRE 14 Table 4 2 Primary and auxiliary tools and equipment for calibration Name and type designation of primary or auxiliary calibration tool document that regulates technical requirements and or metrological and main technical characteristics of the calibration tool tes 456 PCwih DWPTest software FVKM 004001 454 Gas radiometer of RGB 07 type according to TU 95 1487 86 ig Measurement error limit 5 4 5 4 Connecting hoses to connect gas radiometer 4 5 4 Gas with activity 1 10 Bq 455 Reference sources of 1CO type with external particle flux into the solid angle 2 i 5 10 5 10 5 10 4 10 5 10 s 4 5 6 Check source supplied with radiometer Note It is allowed to use other tools and equipment with similar characteristics ensuring determination of metrological characteristics of dosimeters with required precision 4 3 Safety precautions 4 3 Follow safety requirements described in section 3 2 and in documentation accompanying calibration tools and equipm
17. ent 4 4 Conditions 4 4 The following normal operating conditions shall be met during calibration sair temperature ns daer Lc 20 2 C relative air humidity sisse qure EEA from 30 to 80 96 atmospheric pressure NEC e OE ERA E EA OE Make tee E M Bd 86 0 to 106 7 kPa natural radiation background not more than 0 25 uSv h 4 4 2 Prior to starting calibration set the update time for 10 seconds or more using DWPTest software 4 5 Procedure 4 5 1 External examination Items to be checked during external examination proper completeness of radiometer availability of operational documentation absence of defects which could affect operation 4 5 2 Testing To test the radiometer 1 connect the radiometer to a power source 2 turn on the radiometer and PC and monitor the results of self testing Radiometer is considered operable if the self test is passed 4 5 3 Measuring radiometer background readings Measurement procedure 1 turn on the radiometer without turning on pumping 2 after 30 minutes record at least 10 consecutive readings of measured activity concentration 3 calculate the mean value of background activity concentration of radiometer FVKM 412123 01 IRE 15 The mean value of background activity concentration shall not exceed 4 10 Bq m Note Zero readings when measuring radiometer background are not a malfunction of radiometer 4 5 4 Dete
18. er sensitivity is the priority both chambers are used for measurements of activity concentration of radioactive gases and the value measured by the radiometer during at least 2000 seconds without air pumping is used as the background value In this case for the calculation of activity concentration readings of two chambers are averaged When the flow rate falls below acceptable level a message is generated that there is no air pumping this message is not a radiometer failure message 1 4 3 Sequence of pulses generated by beta particles received from shapers is processed by processor The results of calculation are transmitted via RS 485 network FVKM 412123 01 IRE 5 1 5 Marking and sealing 1 5 1 Radiometer casing has a nameplate with the following information trademark or name of the manufacturer reference designation of radiometer modification works number of radiometer according to the manufacturer s system of numeration degree of ingress protection IP against solid items and water provided by casings made in Russia 1 5 2 Place on the radiometer and method of nameplate fixing shall comply with the design documentation 1 5 3 Radiometer is sealed in accordance with the design documentation 1 6 Packing 1 6 1 The package of radiometer complies with the design documentation and provides protection against ingress of atmospheric precipitations and aerosols splashes of water dust sand solar ultra violet radiati
19. h data exchange interfaces Before starting to work with radiometer perform setting of the asynchronous communication port for this purpose in the bottom of the software window 1 select asynchronous port number from the drop down list the default port is COM1 2 select communication speed from the drop down list the default value is 9600 bps 3 select the number of stop bits 4 select parity mode parity bit the default is no parity bit 5 set parameter Receipt inter byte interval ms the time interval between bytes in the same received packet the default interval is 1 ms 6 set parameter Sending inter byte interval ms the time interval between bytes in the same sent packet the default interval is 0 ms The software automatically saves communication port settings in a file E 4 2 2 Working with radiometer For working with radiometer is Register window is used The software allows operator to work with radiometer in two modes mode 1 normal operation mode programmed polling of connected radiometer and receiving responses in automatic mode in this mode the operator cannot send data to radiometer from PC mode 2 configuration calibration or debugging this mode allows an authorized user to enter certain data in the radiometer adjusting coefficients or constants To work in this mode the user receives the instrument description file that allows the authorized user to input necessary info
20. ic soda NaOH 50 g l potassium permanganate KMnO3 5 g l FVKM 412123 01 IRE 4 2 oxalic acid H2C204 10 30 g l nitric acid HNO3 10 g l 3 5 citric acid solution in rectified alcohol CoH5OH ethanol concentration 96 94 1 2 23 Overall dimensions of radiometer 474x246x243 mm 1 224 Weight of radiometer oer a Pe va era ne fa Me Su 29 5 kg 1 2 25 Mean time to failure of radiometer not less than 20 000 h 1 2 26 Mean life time of radiometer not less than 10 years subject to the replacement of worn out blocks 1 3 Configuration 1 3 1 Radiometer is functionally and structurally complete device The following is included in the radiometer delivery kit check source in a holder intended to test the radiometer check source is stored in a separate box filter holder supplied on request the holder is used for placing an AFA filter to prevent the ingress of dust and aerosols in the working volume of the chamber for measurements of activity concentration of gas mixtures containing radioactive isotopes of iodine additional treatment of gas mixture is needed using filters absorbers of iodine DWPTest software to be used to control the radiometer and to setup and calibrate it via PC if necessary installation kit for connection to the sampling systems and RS 485 network 1 4 Design and operatio
21. n 1 4 1 Radiometer is equipped with two identical measuring chambers with semiconductor detectors The chambers can be connected in parallel modification 01 to increase the radiometer sensitivity alternatively one chamber may be connected to gas main line while another chamber is silenced and is used to measure the ambient background radiation at the radiometer location basic modification the latter connection is preferable if the radiation background is unstable When pumping air through the chambers the air passes through the inlet aerosol filter on which aerosol particles are deposited then it enters the chambers through flow indicator Each chamber has a semiconductor detector with preamplifier Beta particles emitted by nuclei of radioactive gases generate electrical pulses when they pass through a detector The pulses from the preamplifier are fed to the inputs of two input shaper Outline drawing and wiring diagram are presented in Appendix B and Appendix C accordingly 1 4 2 To compensate the external background the radiometer in its basic modification uses one of the chambers for measurements of activity concentration of radioactive gases while a silenced chamber is used for measurements of background radiation In the calculations of activity concentration readings of the chamber used for measurements of background radiation are subtracted from detector readings in the working chamber In the modification 01 where radiomet
22. nto operation radiometers shall be stored in a heated warehouse with natural ventilation inoriginal manufacturer s package at ambient temperatures from 5 to 40 and relative humidity up to 80 at 25 C unpacked at ambient temperatures from 10 to 35 and relative humidity up to 80 96 at TAS C 6 2 The storage location should be free of dust chemical vapors aggressive gases and other substances that may cause corrosion At the storage location radiometers should not be exposed to the direct sunlight FVKM 412123 01 IRE 17 7 TRANSPORTATION 7 1 Radiometer in the original manufacturer s package can be transported by all means of transport at any distance transportation by railway shall be carried out in clean boxcars when transported by open motor transport boxes shall be covered by the water proof material when transported by air the boxes with detecting devices shall be placed in air tight heated compartment when transported by water and sea transport the boxes with detecting devices shall be placed in the hold 7 2 Arrangement and fastening of the boxes on transport means shall provide their steady position en route absence of displacement and striking each other 7 3 The requirements of the inscriptions on the transport packing shall be observed during loading and unloading During loading and unloading radiometer should not be exposed to precipitations 7 4 Transportation conditions
23. oefficient set by manufacturer Ko and write into radiometer new corrected sensitivity coefficient Kor increased or reduced by the value of basic relative measurement error The new value of sensitivity coefficient must be within the following limits 1 10 to 5 10 cps m Bq If falls beyond these limits the radiometer has to be repaired 4 5 5 Determination of conversion factor to convert readings of beta radiation of into readings of beta radiation of Sr Determination of conversion factor to convert readings of beta radiation of Kr into readings of beta radiation of Sr Y is performed using standard sources of 1CO type if positive calibration results are obtained with Kr according to 4 5 4 Procedure 1 turn on the radiometer without turning on pumping 2 after 10 minutes remove the plug from chambers as shown in Figure 2 1 and place 1CO source with the lowest value of beta particle flux inserted in the check source holder in its position as shown in Figures 2 2 2 5 3 after 3 minutes record the value of activity concentration measured by radiometer 4 record at least 10 consecutive readings 5 calculate the mean value of 10 readings activity concentration A 6 remove the check source FVKM 412123 01 IRE 16 7 install the plug in place 8 calculate the coefficient Kyans Bq s m beta by the formula 4 2 trans I where I beta particles flux into solid angle 2x Sr Y for source
24. ometer The procedure for determining reference source reading performed using PC and DWPTest software 1 turn on the radiometer without turning on pumping 2 after 30 minutes remove the plug as shown in Figure 2 1 and place the check source supplied with radiometer in its position as shown in Figures 2 2 2 5 3 monitor radiometer readings using DWPTest software 4 after 3 minutes record the value of activity concentration indicated by the radiometer 5 record at least 10 consecutive readings 6 calculate the mean value of 10 readings activity concentration A 7 remove the check source install the plug in place Figure 2 1 Removal of plug FVKM 412123 01 IRE 7 Figure 2 2 Placing check source into holder Figure 2 3 Insertion of check source retainer ring into holder FVKM 412123 01 IRE 8 Figure 2 4 Securing check source retainer ring in the holder Figure 2 5 Placing check source in position FVKM 412123 01 IRE 9 8 take the value of check source reading from Certificate of Calibration 9 calculate the predicted value of activity concentration by the formula A e 0691s Q 1 where t the time elapsed since the source certification 29 1 year half life 10 radiometer is operable if the following inequality is satisfied 100 15 96 2 2 pr 11 repeat steps 2 10 for the second chamber regardless of
25. on 2 2 The main window of the software is shown in Figure E 1 r 55 Doza WireNet Protocol Debugger 1 1 90 0004e e Terminal Analysis packet Master Slave Reaisters Terminal Header Data block FF FF FF FF FF FF FF FF Full packet Automatic Send Receive Timeout ms 1000 D D Port i Stop bit 1 Receive byte to byte timeout ms 0 Baudrate 9 00 Parity none z Send byte to byte timeout ms fo 12 20 27 MASTER Port settings Figure E 1 The main window after launch of the software FVKM 412123 0 1 IRE 24 To work with radiometer select Registers tab in the main window see Figure E 2 n 33 Doza WireNet Protocol Debugger 1 1 90 0004e Terminal Analysis packet Master Slave Registers Terminal Selecr device Register Current value New value 8 Change sddress Transmit lt Port ICOM1 Stop bit 1 nd Receive byte to byte timeout ms 20 Baudrate 9600 ied Send byte to byte timeout ms 12 21 20 REGISTERS Port settings L Figure E 2 Registers tab The Registers tab allows you to work through polling of connected radiometer and receiving responses from it in automatic mode The mode is adapted for users with no special knowledge and skills to work wit
26. on and limits the ingress of water vapor and gases 2 INTENDED USE 2 1 Operational limitations 2 1 1 Radiometer maintains operability under conditions specified in item 1 2 2 1 2 Radiometer can be used in gas sampling systems with vacuum not exceeding 20 kPa 0 2 atm Excessive pressure during purging should not exceed 10 kPa 0 1 atm If purging are carried out at pressures greater than 10 kPa valves to cut off the radiometer and purging of main line through bypass have to be provided 2 1 3 For correct measurements means for hydraulic shock damping when turning on off sampling opening closing valves and shutters should be provided Between the sampling device air flow activator and the radiometer a receiver a diaphragm a filter etc has to be installed to smooth the pressure pulsations due to operation of rotary vane pumps and vacuum pumps The minimum volume of the receiver must be 1 5 of the air volume pumped in 1 min 2 1 4 Avoid using poppet solenoid valves use controlled valves driven by a motor with gearbox instead 2 1 5 The following is not allowed during operation use of radiometer at medium 6 35 kV and high above 35 kV voltage electric substation use of radiometer as parts of high power electric installations use of mobile phones within 10 meters of radiometer 2 2 Preparation of the product for use ATTENTION THE REQUIREMENTS SET OUT IN SECTION 2 1 SHOULD BE STRICTLY ADHERED DURING PREPARATION OF
27. parameters transmitted by an authorized user to radiometer The software does not store the measured values of activity concentration of beta radioactive gases Settings for working with radiometer are stored in a file dwpt ini E 4 RUNNING THE SOFTWARE E 4 1 Structure installation and running the software The software includes the following files DWPTest exe executable file udg 03d common rst instrument description file for radiometer use in normal operation mode udg 03d calibrator rst instrument description file for radiometer use in configuration calib ration or debugging modes this file is similar to udg 03d common rst but for authorized users only package of instrument description files to read write data of a fixed set of parameters of memory registers in served radiometers used together with udg 03d calibrator rst When the software is started for the first time the software settings file dwpt ini is created in the Microsoft Windows system folder To prepare the software for use on PC copy all files provided by the manufacturer in the selected folder The installation is not required To launch the software simply run the DWPTest exe To exit the software enter Terminal menu and click EXIT To save the configuration press the relevant button in the popup window E 4 2 Using the software 4 2 1 Setting up the software Before you begin you need to connect radiometer to PC as described in secti
28. pper part of the radiometer casing as shown in Figure 3 1 disconnect the cable of chambers as shown in Figure 3 2 remove the top part of lead shielding after unscrewing four screws as shown in Figure 3 3 remove the detector after unscrewing four screws as shown in Figure 3 4 The chambers are now accessible for decontamination FVKM 412123 01 IRE 11 Decontamination can be performed by either using swabs soaked in decontamination solution 1 or 2 in accordance with 1 2 22 to wiping the inner surface of chambers or by filling the decontamination solution into the chamber to wash it There is a plug at the bottom of radiometer to drain decontamination solution Removed detector shall not be decontaminated only careful replacement of protective ring is allowed if necessary as shown in Figure 3 5 Figure 3 2 Disconnection of cables of chamber FVKM 412123 01 IRE 12 NeO01 2012r Figure 3 4 Removal of detector FVKM 412123 01 IRE 13 Figure 3 5 Replacement of protective ring and film 4 CALIBRATION ROUTINE 4 1 General requirements 4 1 1 Calibration of radiometer is performed in accordance with 61453 2007 4 2 Preliminary arrangements 4 2 Operations performed during calibration are listed in the Table 4 1 Table 4 1 List of calibration operations Operation Section External examination 4 5 1 Testing 4 5 2 Measuring the background of radiometer r
29. radiometer modification 2 3 Use of a product 2 3 1 After power on the internal software is loaded Data block configuration and settings 15 stored in the non volatile memory of radiometer so after loading the software does not need additional preparation for use The software then performs testing of radiometer After completing of the test a message containing statuses of radiometer modules is transmitted through external interfaces The updating time is in the range 1 to 1000 seconds and is determined automatically depending on the measured value range 2 3 2 The radiometer automatically calculates and records values of activity concentration During operation the radiometer does not require any actions of personnel The measurement results and self testing information statuses of radiometer are transferred to external data transmission channel on request and displayed in the information field of DWPTest software 2 4 Adjustment 2 4 1 For adjustment prepare radiometer for work in accordance with section 2 2 2 4 2 Only authorized users are allowed to make changes to radiometer settings changes shall be made in accordance with instructions in Appendix E 3 MAINTENANCE 3 1 General notes The purpose of maintenance is to ensure operability of radiometer over its service life 3 2 Safety precautions 3 2 1 Before beginning to work with radiometer familiarize yourself with this User Manual 3 2 2 During all operations with
30. rmation and also serves as the access key of authorized user To load common settings select connected radiometer click on SELECT DEVICE button select file udg 03d common rst in the dialog box see Figure E 3 and click OPEN FVKM 412123 01 IRE 25 DWPTest 4o E UDG 03D calibrator 17 10 2013 12 11 RST 170067030 common 171020131212 UDG 03D common Y Device description files rst gt A Figure E 3 Selecting instrument description file To load parameters of radiometer an authorized user must copy provided access key file udg 03d_calibrator rst in the software folder and click OPEN Window Doza WireNetProtocol Debugger 1 1 90 0004e will appear Figure E 4 with a fixed set of parameters Register content Figure E 5 that will be requested from the connected radiometer and their current value will be displayed Doza WireNet Protocol Debugger 1 1 90 0004 Terminal Analysis packet Master Slave Registers Terminal iyi Select device Activity concentration 2 800000E 8 Uncertainty of activity concentration 1 990000E 1 Ej diee Control status byte 40 Control of flow indicator 8 Selec
31. rmination of basic relative measurement error of activity concentration of beta radioactive gases Determination of basic relative measurement error of activity concentration is carried out using gas and gas radiometer RGB 07 hereinafter RGB 07 Procedure 1 connect RGB 07 and radiometer in a circular pumping scheme inlet of radiometer to outlet of RGB 07 outlet of radiometer to inlet of RGB 07 2 turn on the radiometer and RGB 07 without turning on pumping 3 after 30 minutes fill the chamber of radiometer with Kr gas and wait until stabilization of readings of RGB 07 and radiometer activity concentration of in radiometer and RGB 07 should be within 10 to 107 Bq m 4 start pumping and after 3 minutes record at least 10 values of activity concentration measured by radiometer 5 record at least 10 values of activity concentration measured by RGB 07 6 calculate the arithmetic means of activity concentration measured by radiometer and RGB 07 A and Ag 7 calculate the basic relative measurement error of activity concentration 6 in percent by the formula ELE 4 1 A where radiometer readings Bq m A activity concentration measured by RGB 07 Bq m The calculated basic relative measurement error shall not exceed 20 If the basic relative measurement error of activity concentration exceeds 20 the sensitivity coefficient has to be adjusted For this purpose read the sensitivity c
32. rried out every time when filter is replaced Replacement of filter The filter has to be replaced every three months To replace the filter 1 stop sampling 2 replace filter in accordance with filter holder design 3 3 2 Periodic maintenance Periodic maintenance consists of calibration current repairs and decontamination of radiometer Radiometers with faults not be eliminated on site and radiometers that failed to pass calibration must undergo routine repair Routine repairs of radiometer shall be performed in accordance with the instructions in sect 5 Decontamination of radiometer shall be performed in accordance with regulations on decontamination of the enterprise company External surfaces of radiometer shall be decontaminated using solution 1 or 2 according to 1 2 22 After treatment of surface with a cloth soaked in decontamination solution wipe the surface with cloth soaked in distilled water and then dry with filter paper Cable connectors of radiometer shall be decontaminated using solution 3 according to 1 2 22 no additional treatment with distilled water and drying with filter paper is required The consumption rate of the solution 3 is 10 ml per radiometer Chambers of radiometer shall be decontaminated when for some reason there is residual activity which cannot be removed by blowing clean air it can be observed by increasing of background levels For decontamination turn off the radiometer remove the u
33. ted resource of channel 1 Transmit Selected resource of channel 2 21 XB byte 40 Firmware version 02 01 2 00 03 gt FFFFFF 010101 06 7D 0100 gt FFFFFF 010101 06 7D 0100 gt FFFFFF 010101 06 7D 0100 gt FFFFFF 010101 06 7D 0100 010101 gt gt FFFFFF RD type gt 010101 gt gt FFFFFF RD type 7D reg FA gt 010101 gt gt FFFFFF RD type 7D reg FA gt 010101 FFFFFF RD type 7D reg FA al Port 1 X Stop bit f b Receive byte to byte timeout ms 20 Baudrate 9600 Parity none Send byte to byte timeout ms 0 12 26 29 REGISTERS settings OK UDG 03D common a E 4 gt gt Figure E 4 Window Doza WireNetProtocol Debugger 1 1 90 0004e FVKM 412123 011RE 26 r 33 Doza WireNet Protocol Debugger 1 1 90 0004e 1 Terminal Analysis packet Master Slave Registers Terminal Activity concentration 1 680000E 0 Uncertainty of activity concentration 1 990000E 1 E Control status byte 105 Control of flow indicator Selected resource of channel 1 0 Transmit Selected resource of channel 2 0 XB byte 40 Channel 1 K conversion factor 3 000000E 0 Channel 1 Kt dead time 1 400000E 4 Channel 1 Kf intrinsic background 0 000000E 0 Channel 1 ID channel identifier 0 Channel 2 conversion factor 3 000000E 0 Channel 2 Kt dead time 1 750000E 5
34. uld be dismantled to prevent further use and transferred to a special site for disposal of industrial wastes 8 4 Radiometers after expiration of service life or accepted for use after decontamination shall undergo technical inspection If the technical condition of a radiometer is satisfactory it shall be calibrated and an extended operation term shall be determined FVKM 412123 011RE 18 Appendix A Obligatory DESCRIPTION OF DATA EXCHANGE REGISTERS IN THE DiBUS PROTOCOL Table 1 Data for reading from and writing to the radiometer Index Description RAW C ES 00h Current values R User defined 7Dh activity concentration Bq m LSingle 0Dh uncertainty of activity concentration LSingle 0Dh control status byte Byte 01h control of flow indicator Byte 01h selected resource of channel 1 Byte 01h selected resource of channel 2 Byte 01h Olh Byte to control mode of operation XB R W Byte 01h 02h Conversion factors of channel 1 R W User defined 7Dh K conversion factor LSingle ODh Kt dead time LSingle ODh Kf intrinsic background LSingle ODh ID channel identifier Byte 01h 03h Conversion factors of channel 2 R W User defined 7Dh K conversion factor LSingle 0Dh Kt dead time LSingle ODh Kf intrinsic background LSingle 0Dh ID channel identifier Byte 01h 08h Address of radiometer R
35. work is complete file udg 03d calibrator rst shall be deleted until the next calibration or adjustment When it is needed to perform address only one selected radiometer instead of broadcast polling of several radiometers click CHANGE NUMBER button in the dialog box enter a unique DiBUS address of desired radiometer in this case the program will poll only this radiometer in the communication line FVKM 412123 01 IRE 27 Fr 33 Doza WireNet Protocol Debugger 1 1 90 0004 anm Terminal Analysis packet Master Slave Registers Terminal fei Selecr device Register Current value New value Activity concentration 1 680000E 0 Uncertainty of activity concentration 1 990000E 1 Pherae Control status byte 105 Control of flow indicator 0 Selected resource of channel 1 0 Transmit Selected resource of channel 2 0 XB byte 40 Channel 1 K conversion factor 3 000000E 0 Channel 1 Kt dead time 1 400000E 4 Channel 1 Kf intrinsic background 0 000000E 0 Channel 1 ID channel identifier 0 Channel 2 conversion factor 3 000000E 0 Channel 2 Kt dead time 1 750000E 5 Channel 2 Kf intrinsic background 0 000000 0 Channel 2 10 channel identifier 0 gt FFFFFF 010101 06 7D 0100 FA gt 010101 gt gt FFFFFF RD type 7D reg FA gt FFFFFF 010101 06 7D 0100 FA gt 010101 gt gt FFFFFF RD type 7D reg FA gt FFFFFF 010101 06 7D 0100 FA
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