User Manual
Contents
1. BEER E 2 OND N 25 A OND Suoljipuos uoipJado ayy AJ JD sa gDI jo Sadi Z T UMOJA 0 amp 53E00 ECLOLT WHAT UMOJg pUD HIM D 1 0 puodsaJJ02 suom Dubisap jouoisod s4uauaja nding 1 m gt aos ubisap ays 0 patpaads 19 g pug A 5 jauod UONDJIUNWWOI JO k Ls iq 5 ES 101934402 J0 8014 ayy yaajh em U234b DUD 8J M 1 aunso 2 221 S abunso pun ajwa a ze 400 03 8J M 1007 4IR24 2 X 88 35 W Z 424p Jaqunu d18 s SOXZX 40049013 2190 qovaq P m uals S E An pay 1084 N 5 X 152 N I 4407 4107417 T 2 Cep LC ZX ZEZ su 8X OSX 9901791999 ESV 81927 7 lt Ier 587 Sd 25 N 7 pajauuos jou 4 maa 8X 13N43H13 ua TR abojs ubisap ay 11 paymads si jauod W res jun UID VOHDIUNWWOI JO 101330403 JO addy ayy Z Puas s 2 pa Cp e AX A IY uado ppuou Aojad E ee UX 4ndino Ajay UOJIDUO 4304u0 YEY a mi 6LX VAQOE 2406 NOEZ 4 h2402 Jaquinu SOKA 3190 ISX SSX OSV U43 10d 05 sa g0 LO0OAV I NOLL HNNO O 4101831 90 xtpuoddy FVKM 412123 003RE 22 4 Cable RS 485 2x2x0 5 S STP number on circuit 3 able sacket ONC BS 2 10 14 R12 1 V2. 2 2 LX 40 02 40 02 aim 4135 0 Z 209 323 18418417 ajojsaju ajqo3 ayy Jo Bulsapjos AHL AO 4 q x pu ddy Jin24n2 1 04 9 0 21 58 0 J8y30s 0407 FVKM 412123 003RE 28 Appendix E Reference COEFFICIENTS OF SENSITIVITY TO BETA RADIATION OF CERTAIN GASES Sensitivity coefficients Monitor 3H Ye Ee UDGB 01T 2 68 10 3 45 1075 1 76 10 8 UDGB 01T1 UDGB 01T2 2 68 107 3 45 1072 1 76 1079 FVKM 412123 003RE 29 Appendix F Obligatory LIST OF PARAMETERS ACCESSIBLE FOR DISPLAYING AND EDITING USING THE CONFIGURATOR SOFTWARE The list of pages tabs available for configuring Common Measure Service Network Archive Note This tab appears only after the program is switched into expanded access mode By default this tab is hidden Tab Common This tab contains general information about the monitor and includes the following parameters Serial number serial number works number of the connected monitor Current time date month year and time minutes and seconds of the reading Firmware version version of the monitor s built in software Device version hardware platform version of the connected monitor Life h total operating time of the monito
3. cele AKA H U88J25 ONI abD s ubisap yi 4D parDads H vasub pum ajgum E ONI ci S St jaund U0HDIIUNUW0 I 40 l aunso Z vivo X J40 28UU03 0 addy ayy i T t abupJ0 pup ajijM V VU D Nj JNOJOI 8JIA 1007 11217 TX WOO 04 dn 148 S UXZXt 297 Sd 91912 oJUJJojUf 5 91407 P SES Uaa42Js Z OND D uaaJ3s YA 000 ES j UMOJA 0 E 1 6 d T an q 9 Pe abojs ubisap ayy 40 payieds anjg puo aj YM g N gt SI jeund VoHDIIunuwo 40 9 zs 40438UU0 40 ad 4 ou SS uaadb pup ajMM AL N gt abuvso Z 224 S b abunso pup aya Wi Sa N E A 400 02 1007 ynang X TSX W QOL 94 dn GLAS S0XCX7 Z09 3331 18418413 8 90I 33044344 7 91007 FVKM 412123 003RE 27 A L CLY 9L A0 E ER AND 484305 81903 344 40 GNI L sJ304U03 ash JOU Op Pasn si 6p a 194305 papjalysun A G OY UM01G padin JOU plays UMD IG DUD BJ IM Pasin jou padin fou UMOIG an q pasin Jou PIIN fou UMO Ig DUD 8j u pays 4 018810 uaa Pasin jou ZXel anjg puu ay M 8njg pun a mA jou padin sou ang Dias Xd ONI 8 CXL ki N m s BR s aun auno LXI 24
4. s 48 wafiwa puno 6 VYA YA aynl ADEZ 2 4U04J H n ILM 71H ETH ZH 6107211742 WAHI TAE auvd apis 1818 42v OF 5 SM IS INV3ID VIG DNTULAM 14 g x pu ddv FVKM 412123 003RE 19 LLIO GOdN Jo1uoui q Jo suonoouuoo yo WRISeIG 214 ANZIA etV K nx di 106 490 12 9181 01 NN 41M Burgunow JD2 4428 8 0 4 0247 1 d eM 484 8U 04428 3 JIJWDYJ 7X 1 e IX ir Zeen N dz g0UH 40423420 02 i E FVKM 412123 003RE 20 JUN 31401439 3 EXFL X g ZE 54 W ur ar 2 Lafe 101071PU Zeil ZAX EV TX SV az LZI e se QE P ek 490489041 ETX g si 587 54 T aa INX x lt ep S AS AS 221 49 TX Ka il I AS ns Ws E pnx x x x X Se Ev o saa EN 81010 550 7 aX Am eg lt SISSIN zv Helv TV OLNX Ex E 8 x
5. RS m G Cox DRRSPESSRESTE d s AV TH EL SENSE HH Ig b di 19 Gab na ws 17 Ad TER 2405 4052 a O 2405 A0sz dg 66 or H gb 4 40 4 14 si 214 5 4 e aa Jaudd 14014 tH will K i ETH W CTH 640 9ZU NL WANI 180402 127 e TE ENS zm m 0029 997 WANS ZL10 NDdn 10110001 201 Jo suoroouuoo Jo EI q 1 2220 8208 10128180 CIV We TX Es J8 8U 0 28 3 J8gumuy 7 71 J04D2Ipuj LV 262 94 mz Zei UL gi A 1X SV fem Ar 10 52 eU ra UGT SHa se E er mx SE W ub va 408583044 maen 97 R EV 21 6 LINA ep WAV TV o a ZX Lana A 7 v l AV726 m ONI S 1 J Az F Age 444 2405 1052 LTH 205 1052 1440 dg js 62 ay 46 punojO 0 610 SCH GL WANI jaung 027 IX Dx NX sx CZ ZX furor Jm a 10 7 aA ADEZ juo2 m 4n0 02 8002 140 44 FVKM 412123 003RE 21
6. be operated both on off line mode and as a component of radiation monitoring systems complexes and installations The monitors can be mounted in stationary position in the gas sampling system or used as a portable measurement device Three modifications of the monitors are available namely UDGB 01T FVKM 412123 003 UDGB 01T1 FVKM 412123 004 UDGB 01T2 FVKM 412123 005 which differ from each other by their structural features and functional capabilities as described in section 1 4 1 2 Technical characteristics 1 2 1 Energy range of detected beta emitting gases 5 to 3000 keV 1 2 2 Measurement range of volumetric activity beta emitting nuclides in gases except tritium 1 UDGB 01T UDGB 01T1 et eet ets 1 0 10 to 5 0 10 Bq m uM 1 0 10 to 5 0 10 Bq m tritium 1 UDGB 01T UDGB OITI 5 0 10 to 5 0 10 Ba m 2 UDGB 0OTPD u O a a akkaa 5 0 10 to 5 0 10 Bq m 1 2 3 Limits of allovvable basic relative measurement error of beta emitting nuclides volumetric ZIP Vin ETE 20 Yo 1 2 4 Intrinsic background of the monitor does not exceed 4 10 Bq m 1 2 5 Relative sensitivity of the monitor to beta radiation of selected radionuclides is characterized by factor shown in the Table 1 1 is the ratio of sensitivity to beta radiation of specific radionuclide to the sens
7. radiation Co Figure 4 1 Geometry configuration of the monitor and photon radiation source during calibration 3 measure the vacuum using the differential pressure gauge and calculate the pressure in gas line of the monitor during the air pumping P kPa 4 determine the ADER of gamma radiation H by the formula 1013 273 2 t P 2932 H K q 4 2 where q is the monitor readings in Bq m P is a working pressure in the ionization chamber created during pumping of the air through the monitor kPa t isa temperature C 101 3 is the normal atmospheric pressure kPa K 2 94 10 m Sv Bq h is the estimated factor of conversion from ADER value to volumetric activity FVKM 412123 003RE 13 5 determine the relative error of the monitor to be calibrated in per cents by the formula 2 5 1 1 w 4 3 inst 0 where H is an actual produced value of ADER in the point of the monitor location Sv h 1s a relative error of the calibration installation inst The obtained value of the basic relative error shall not exceed the limit stated in the section 1 2 3 4 5 3 4 In cases when the monitor is used exclusively for measurement of volumetric activity of beta emitting gases other than Kr it is allowed to be guided by the Appendix G 5 ROUTINE REPAIRS 5 1 Routine repairs include restoration of damaged cables and connectors Replacement of individual modules and blocks is
8. 1 The monitor s package complies with the design documentation and provides protection against ingress of atmospheric precipitations and aerosols splashes of water dust sand solar ultra violet radiation and limits the ingress of water vapour and gases 2 INTENDED USE 2 1 Operational limitations 2 1 1 The monitors can be operated with gas sampling systems where the suction does not exceed 20 kPa Maximum allowable pressure differential during blowings is 10 kPa If blowings are carried out under pressure exceeding 10 kPa cutoff of the monitor should be provided by means of the stop valve and blowing of the air line through the bypass 2 1 2 For ensuring correct measurements it is necessary to include in the project damping means necessary during switching the sampling on off opening and closing of valves It is necessary to install between the sampling pumping device and the monitor a receiver a diaphragm a filter etc to smooth the pressure pulsations during operation of sliding vane rotary and forevacuum pumps Minimum volume of the receiver is 1 5 of the air volume pumped during 1 minute FVKM 412123 003RE 7 2 1 3 Using of electromagnetic disk valves is not recommended controlled valves with actuation by an electric motor with reducer shall be used instead 2 1 4 Performing measurements of the volumetric activity is not allowed without the aerosol filtering device at the point of air sampling 2 1 5 Performing measurements of th
9. 20 l min 2 2 2 Operation with external PC 1 connect the monitor to the information network via the RS 485 or Ethernet connector or directly to a computer via RS 232 interface 2 connect the monitor to AC mains 220 V 50 Hz 3 turn the power switch on The wiring diagram connection layout and soldering of the interface Ethernet are presented in Appendixes B C and D 2 3 Use of a product 2 3 1 After power on the built in software is loaded The software data set configuration and settings is located in the non volatile memory so no additional preparation for operation is needed after loading 2 3 2 The program tests the monitor When testing red yellow and green signals and short sound signal are switched on in sequence After completion of the test the message is displayed showing the status of the monitor modules The status message is also displayed each time before updating the measurement results which is preceded by a short audible signal 2 3 3 The interval for measurement results updates is in the range between 20 and 30 seconds The feature of operation hours recording is provided in the monitor This information is available through the Configurator software After each full hour of operation increment messages about operating time are transferred to the external information network FVKM 412123 003RE 8 2 3 4 The monitor is self operative The measurement results and the status of the device s module
10. JE 7 d aT the type of connector K aaa or communication panel we o IT is specified at the GND 3 white and green design stage GND 4 screen r 5 N 6 7 8 9 m J J 5 Cable A52 FVKM 685631086 01 s Circuit Cont Bu eee A s fer 8 E d Selz RW 3 a N m il EN m GND 5 a 150 6 Su S 478 7 4 N 2 7 6 Cable A51 FVKM 685631211 S BE SS CIS Kb Figure C 1 Wiring diagram UDGB 01T FVKM 412123 003RE 23 suoljipuo uorjo4ado ay Ag pauijap aso sajgva jo sadi Z d 088425 3500 END 7 WYAF 04 puodsaJJ0 suomvubisap jouoljisod sjuawaja nding 1 uaaJ2s UM UMO IG DUD UA ang bp s ubisap ays 40 81 2805 8njg puo ajtij Si jauod 2 JO uaaJB rl a DEET abunJo 4820s 3 907 J0 28uU02 40 addy ays kk TG Cd abumJ0 DUD 2 UM 4h0 02 E uaa Ds ONI JNU uod ng 21 58 2205 31407 ual pay As 1 28 21 1 10241 J28 8U0428 3 D SEOVEISOIWNNA ESV 2190 Z CE CS 4587 Sd uf ek EE LINN WV TV paj23UU02 jou abris ubisap au 40 palji2ads pasoj SI jauod uolp3iunumio JO BUIYIJIMS vado DuiJoU GES UDIJpUO 70 U0 mmm 7 21 58 0 J0 38UU02 JO 201 aul 2420
11. a s SY MONIA d S AS 8 H 1179417 7 papa jou S abvjs ubisap ay 0 p yn ds E pasop Guer ESX SI jaupd volpoqunuuo 40 7 TE a A y APP AE VEV f DES Y eer W 04 dn ua papjalys gx ajguJ j J0 2 UU02 10 addy au P ICH DUE z 04 ui oyez ks 100 5 0 85X u 07 04 dn q bu c gxy Z 3190 2 gt 5 K 4X 262 5 5 OSX d 5 9 507 5 CSX KOS d Menuen n 7 3 TSX BS SN m 22 pun wsoy 7407 4 0241 7007 gmg amp ESX xl D LC ZIX yndjno ien OSX SOXE SAd 31902 Ajddng 117 1EISBIWANI 4 91907 1 1 lt amp x VAO0E ZHOS 1062 usajjod butiapjos sajqn ISX SSX 057 FVKM 412123 003RE 26 2110 Weiseip SuurA c 21031 6 E queen S14 L 4 4 sla 4 H H 2 ug amp S z 1 lt H tos G Pn N T SS SE S wal 7 I t 40 X 1 E Ux XS SE y 2 4 gt s 17 i 4 EU S JINII 1007 mom naf E r 4407 i0241 T 1 15X OSX fu 04 dn Papjaiys 71 7x2 31902 ZET SH 31403 UOHDINUWO0I Ja4nduo jouos ag 10 9801EISBIWNAA S 31907 9 m a mn d m
12. precipitations FVKM 412123 003RE 14 7 4 Transportation conditions are as follows as temperature eer akay EE el from minus 25 to 50 C TTA AA ee up to 98 at 35 C sinusoidal vibrations within frequency range from 10 to 55 Hz with displacement amplitude 0 35 mm 8 DISPOSAL 8 1 On full expiry of the product its component parts service life and also prior to its dispatching for repair or calibration it 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 monitor surfaces contamination 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 the monitor 8 3 Monitor accepted for operation after decontamination is subject for repair or replacement in case of failure Monitor not suitable for operation with radioactive contamination levels below permissible limits should be dismantled to prevent further use and transferred to a special site for disposal of industrial wastes 8 4 Monitor with expired lifetime accepted for use after decontamination shall undergo technical inspection If the technical condition of a detector i
13. suorsuowp SUIT pue 81040 CN m r pazyvuosy YUZ YIM jaajs 0 GW MaJ2g 34S ssajum s papu G 7 0 agnj no Jaajs ssajumjs juajuu g 2 jg agni u ny AIJUISSY 31 04 28 73 Ajguassy Jagumu 6 L9 09 167 Nm atin 282 DIN ld EYE TEE sbaj inouya g 9 494 OL FVKM 412123 003RE 18 LI0O HOGh Joyuow sy Jo suonoouuoo Jo 9 2 81 dC0 0908 40428480 eu 48 8U 04138 3 LtTV TX J8quimu 7 6X LIX d enm 7X A J04D2IpuJ oz Ma A e alle Sd Ze Hf OF Zei e 8f ZAX d S ram T d 8018017 10 22 ld 597 54 er nx Se X x x lt sey S WS We Ws ub or S NS AE NS is x d 01 x Se X x x EV T JE Ge y d 5502 21 6 42 yekuna ox NX o nx q s q di T3 ESES RR as S S S 2127 ANALNO AEN 100 lo LE 7X Selen Gd S S pas GLX gt S MT sf ey 0 lli o 2905 1052 2 05 1052 rr sey e KAES m 190 al 9
14. where u is the uncertainty of the working standard from calibration certificate Yo q is the volumetric activity according to readings of the monitor to be calibrated Bq m qo is the volumetric activity according to readings of the reference radiometer Bq m 7 if obtained value of the basic relative measurement error 6 falls outside the limits indicated in section 1 2 3 it is necessary to correct the sensitivity coefficient for Kr in the range 10 using the Configurator software If the relative measurement error of the monitor under calibration falls outside the above mentioned limits afgter correction of sensitivity coefficient the monitor shall be repaired 4 5 3 3 Calibration of the monitor using gamma radiation sources Co is performed as follows l arrange the monitor to be calibrated so that the distance between the monitor and the calibration installation radiation source be at least 2 m the monitor shall be oriented with its side or back plane towards the radiation source 2 produce in sequence at the point located in the middle of the monitor s lower part see Figure 4 1 three values of ADER of gamma radiation in accordance with Table 4 3 record the monitor readings Note It is permitted to produce different ADER and volumetric activity values provided that they are within 20 of the values specified in the Table 4 3 Middle of the lower part of the monitor Source of gamma
15. 0 4 5 10 23 100 G 2 For calibration of the monitor with sensitivity coefficient to gas indicated in the Table G 1 it is allowed to use Co source and perform calibration in accordance with section 4 5 3 3 Estimated values of AEDR of gamma radiation from Co corresponding to different values of volumetric activity of different nuclides are presented in the Table G 1 For calculation of the AEDR of gamma radiation H according to the formula 4 2 it is necessary to use factors for conversion of AEDR to the volumetric activity presented in the Table G 2 Table G 2 Nuclide Hc 2 86 10 12 222 0 4 35 10 FVKM 412123 003RE 33
16. 0 to 106 7 kPa AC mains volfa e e tes aea ee SKS RR DOG ORE Es 220 24 4 V AC Mains EE 50 1 Hz harmonic ELE 5 Yo External electrical and magnetic fields shall be within limits that do not affect the operation of the monitor Vibrations shaking shocks that can affect the operation of the monitor are not allowed The air flow rate through the working chamber shall not be less than 20 l min The time of the monitor warming up shall be 10 minutes 4 4 2 Prior to calibration the monitor shall be kept under conditions stated in section 4 4 1 during four hours 4 4 3 Before starting the calibration procedure ensure that the sensitivity coefficient for Kr indicated in the Table 4 2 is present in the monitor s memory if it is absent write this sensitivity coefficient to the memory using the Configurator software FVKM 412123 003RE 11 Table 4 2 Monitor Sensitivity to Kr UDGB 01T US UDGB 01T1 SOMIT UDGB 01T2 2 58 1077 Before starting the calibration procedure ensure that the sensitivity coefficient for Kr indicated in the previous calibration certificate is loaded into the monitor s memory 4 5 Procedure 4 5 1 External examination Items to be checked during external examination proper completeness availability of operational documentation and the Configurator software User Manual absence of defects which could affect the monitor operation 4 5 2 Testing For testing connec
17. N Scientific Production Company Doza RADIOMETRIC UNIT UDGB 01 RADIOACTIVE GASES H 3 C 14 MONITOR User Manual FVKM 412123 003RE Content 1 Description and operation of the product 3 1 1 Product functionality EE 3 12 Technical E TT 3 L 3 EE EE EE 5 1 4 Design and operation vos code ee ce Kanta Esaa aan ve aa 6 EE EE 7 ho PACKING saunan OIKEAT EEN y 25 Intended EEN 7 2 1 Operational limitations oss ce yeso oo Te aw aw 7 2 2 Preparation of the product for use 8 GEREENT 8 2A Adjustments eda ve or BINA c SIA d RR Ele es ate ta an 9 3 MEE HB Besse teo EAE EE 9 ET H Ee TEE H 3 3 Maintenance EE 10 ee 10 4 1 General requirements eege SAME 10 4 2 Preliminary arrangements eege Arte getrei dee da 10 43 Safety PRECAUTIONS EE 11 44 CO IOS tes Bo eost m K a SEN 11 EE EE Ee 12 Routine TEDAl EE 14 G Storage er iden osaat Seene ads up s E ebe aaa bal 14 AER EE DEE 14 EE 15 Appendix A Outline drawing iced c ERE AR 16 Appendix B Wiring diagram toad ER ai 19 Appendix C Connection layout 22 Appendix D Soldering of the interface Ethernet 27 Appendix E Coefficients of sensitivity to beta radiation of certain gases 26 Appendix F List of parameters accessible for displaying
18. S 8190 1 1 0 AV 132 BwayIs 341 40 ON T TXT 3190 057 0 Bulsapjos sa g07 FVKM 412123 003RE 24 S S1270 T9 OAV N m lr Fin F s en ex gt n n fanz 4407 ALVOS 184705 agn Che 169592 HAZ 21902 FSV 2919004128 JIM 2407 4007 S i kd ROT MN J8X30s 31907 HTIEISEI WYAF LEV 3190 9 LLIO GOdN Weep Suny Z O ang abnIs ubisap etu JD paetuDeds si jaund VOHDIIUNWUO0OI JO J0 38UU02 jo 0011 BY SIN 250 UNO HO Re oN Ga PA a a WRC GXL III 1 24 2 1 2 1 58 7 0 197205 3 907 10 9901EISOIWMAI CSV 3190 ONI ONI VIVO N e ta SS V VU 8J M 440 110241 14 04 71 01 2 1 58 7 0 19205 3 907 BWwayIs B44 4D EON Ta18 SOXT Z 597 54 9 90 FVKM 412123 003RE 29 E U3843s a 6015 ubisap au 4D palads Si sajqp3 jo y Bua pauonuauwun E gt SU0I IpU02 Uoljosado ayy Aq pauljap aso sa g0I jo Sadi Z T E F 71 ES a dolaq 53500 ECLOLT WYAF es S 04 puodsassoa suom vubisap 000141500 sjuauaja 1ndinp 1 s S pay
19. and editing using the Configurator Software 28 Appendix G Reference data for calibration 31 FVKM 412123 003RE 2 This document combines user manual and passport of the device it 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 Radiometric unit UDGB 01 radioactive gases H 3 C 14 monitor hereinafter monitors is intended for the continuous measurement of volumetric activity of beta emitting gases argon krypton xenon and gases with content of tritium and carbon 14 hereinafter beta emitting gases in controlled areas Monitors are used at nuclear power plants and nuclear facilities In case of using the monitors for measurement of volumetric activity of beta emitting gases in the air containing radioiodine isotopes additional purification of the gas mixture is necessary by means of filters or sorbent traps The monitors is able to transfer data to communication channels and provides access to the processed information via communication lines based on Ethernet IEEE 802 3 interface TCP IP communications protocol or RS 485 interface ModBUS communication protocol RS 232 and can
20. carried out in accordance with the Service Manual FVKM 412123 003RO 6 STORAGE 6 1 Prior to putting into operation monitors shall be stored in a heated warehouse with natural ventilation in manufacturer s package at ambient temperatures from 5 to 40 C and relative humidity up to 80 at 25 C unpacked 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 The storage location shall exclude exposure of the monitors to the direct rays of sunlight 7 TRANSPORTATION 7 1 Monitors 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 monitors shall be placed in air tight heated compartment when transported by water and sea transport the boxes with monitors 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 monitors shall not be exposed to
21. device ATTENTION IT IS NECESSARY TO STRICTLY FOLLOW ALL REQUIREMENTS DESCRIBED IN SECTION 2 1 FAILURE TO COMPLY WITH THIS REQUIREMENTS CAN RESULT IN INCORRECT OPERATION AND IN SOME CASES TO FILURES OF THE MONOTOR FVKM 412123 003RE 9 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 monitor Routine maintenance includes general inspection of the monitor cleaning from dust and contamination and timely replacement of desiccant cartridge located on the electrometer casing General visual inspection of the monitor General visual inspection of the monitor is performed for timely detection and elimination of factors which can influence adversely on performance and safety of the monitor During the general visual inspection the condition of cables is checked reliability of attachment is also checked in case of stationary installation If reguired LCD and other parts are shall be cleaned from dust and contamination Replacement of the desiccant cartridge Replacement of the desiccant cartridge is performed after appearance of corresponding message on the monitor s LCD The procedure is as follows 1 switch the unit off 2 remove the back panel of the electronic unit only for UDGB 01T and UDGB 01T2 3 remove used desiccant cartridge 4 install new cartridge from the Spare part and accessories kit or regenerated d
22. dification UDGB O1T EE not more than 1 mSv h 1 2 14 Operating conditions operating temperature range minus 10 to 50 C zUTelapive EE 98 at 35 C z Atmospheric EE 84 0 to 106 7 kPa content of the corrosive agents in the ambient air corresponds to the values in table 1 2 Table 1 2 Type of atmosphere 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 II 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 HI Maritime not more than 0 025 mg m Chlorides 30 to 300 mg m day Limits of complementary measurement error of volumetric activity within the range of operating conditions due to deviation of the ambient air temperature from normal value 10 under increased relative humidity up to 98 at 397 10 FVKM 412123 003RE 4 1 2 15 Monitors withstand sinusoidal vibrations in the freguency range from 5 to 35 Hz with displacement amplitude 0 35 mm Limits of complementary measurement error under conditions with vibration 5 1 2 16 Monitors are stable against seismic impacts w
23. e volumetric activity of the air containing radioiodine isotopes is not allowed without the additional device for removing radioiodine from the air sorption trap or filter sorbent Failure to comply with this condition will compromise measurement results 2 1 6 The following is not allowed during operation use of the monitors at medium 6 35 kV and high above 35 kV voltage electric substation use of the monitors as parts of high power electric installations connection of the monitors to the circuit of signal earth use of mobile phones within 10 meters of the monitors 2 2 Preparation of the product for use ATTENTION DURING PREPARATION OF THE MONITOR FOR USE AND DURING OPERATION REQUIREMENTS OF THE SECTION 2 1 SHOULD BE STRICTLY FOLLOWED FAILURE TO COMPLY WITH THESE REQUIREMENTS CAN RESULT IN INCORRECT OPERATION OF THE MONITOR AND IN SOME CASES CAN DAMAGE THE MONITOR 2 2 1 Stand alone off line mode 1 place the monitor to the working area in case of using UDGB 01T1 connect the electronic unit and detector unit BDGB 02P using a cable 2 install filter in the filter holder to prevent aerosol particles and dust from entering into the working chamber 3 connect the monitor to the air sampling system 4 connect the monitor to AC mains 220 V 50 Hz 5 turn on the power switch 6 turn on the external pump device 7 it is recommended to ensure that the flow rate through the ionization chamber is not less than
24. ed and their interpretation bit by bit Unbiased volumetric activity Bq m measured value of the volumetric activity of beta emitting radioactive gases used for integral calculations Negative values are allowed that may be obtained as a result of background subtraction Archive tab This tab represents the list of parameters available for review in the achieve mode principles of working with achieve are described in the User Manual for the Configurator software Time Serial number in the expanded access mode Status Audible alarm in the expanded access mode FVKM 412123 003RE 31 Light signal in the expanded access mode Volumetric activity Bq m Output dry contact in the expanded access mode Sensitivity in the expanded access mode Threshold 1 Warning in the expanded access mode Threshold 2 Alarm in the expanded access mode Output dry contact in the expanded access mode Excess of the Warning threshold in the expanded access mode Excess of the Alarm threshold in the expanded access mode Network tab This tab represents network parameters of the monitor and contains the following ModBUS RTU RS 485 Address net address provided that the monitor supports the ModBUS protocol Rate data exchange rate bps provided that the monitor supports the ModBUS protocol Ethernet support control of the support of the communicatio
25. h the ionization chamber The threshold of the flow rate meter is set to 10 l min If the flow rate decreases below value the electronic unit generates a failure signal pumping failure This signal does not affect the results of measurement and is meant to inform an operator about the sampling system malfunction 1 4 3 The electronic unit compares the received data with the threshold settings specified by the user during the device setup In case the first threshold is exceeded an indication is triggered in the form of a yellow light signal and an audible signal if the second threshold is exceeded the indication is a red light signal and an audible signal The audible signal can be switched off by means of push button on the electronic unit Alarm signals are duplicated by the signaling device if it is connected FVKM 412123 003RE 6 If an external device is connected to the dry contact the electronic unit makes it possible to switch this device on or off after exceeding the threshold The connection layout to the dry contact is provided in Appendix B and Appendix C 1 4 4 Each measurement result of the monitor is a value of volumetric activity of beta emitting radionuclides in the monitored gas calculated with the use of sensitivity to Kr Taking into account the monitor s energy dependence of sensitivity when determining the volumetric activity of real gas it is necessary to choose certain gas with spectrum similar to the mon
26. ith magnitude 6 according to the MSK 64 scale being installed on the building structures of the industrial site 10 m relative to the grade level After the seismic impact with the above mentioned parameters monitors are operable within the limits stated in sections 1 2 3 1 2 12 during the whole life cycle under specified operation conditions 1 2 17 Degree of protection provided by casings against ingress of solid items and water IP23 1 2 18 Monitors withstand the electromagnetic interference of the 3 grade according to IEC 1000 4 8 93 IEC 1000 4 9 93 IEC 61000 4 2 95 IEC 61000 4 3 2006 IEC 61000 4 4 2004 IEC 61000 4 5 95 IEC 61000 4 6 96 IEC 61000 4 11 2004 IEC 61000 4 12 95 IEC 61000 4 13 2002 IEC 61000 4 14 99 IEC 61000 4 28 99 1 2 19 Monitors comply with the standards for emission set forth by IEC 61000 3 2 2005 IEC 61000 3 3 2008 and CISPR 22 2006 for class A equipment 1 2 20 By its protection against electric shock monitors comply with the IEC 61010 1 2001 1 2 21 Monitors are fire safe products with fire probability of no more than 10 year 1 2 22 Monitors withstand the exposure to decontaminating solutions 1 boric acid H3BO3 16 g sodium thiosulfate NazS203 5H2O 10 g distilled water up to 1 liter 2 trisodium phosphate or sodium hexametaphosphate any detergent 10 20 g l water solution 3 5 citric acid solution in rectified alcohol for connectors and contacts 1 2 23 Weight not more
27. itivity to beta radiation of Kr FVKM 412123 003RE 3 Table 1 1 Relative sensitivity of the monitor to beta radiation of selected radionuclides TT Factor 2 odification uc UDGB 01T UDGB 01T1 0 104 1 337 0 682 UDGB 01T2 1 04 10 1 34 10 6 82 107 1 2 6 The monitors can be operated vvith pump unit BN 01 FVKM 064424 002 or other external sampling device providing flow rate through the ionization chamber not less than 20 l min 1 27 OK D EE 10 min 12 8 Continuous operatio EE 24 hours 1 2 9 Instability during 24 hours of continuous operation 10 1 2 10 Power supply of the monitors is performed from single phase electrical line with AC voltage 220 V frequency 5071 Hz 2 11 EE Nee e EE 30 VA 1 2 12 The monitor provides generation of self testing codes current measurement data displaying on the liguid crystal display LCD and transfer of the data to external information network based on interfaces RS 232 Ethernet IEEE 802 3 interface protocol TCP IP or RS 485 interface protocol ModBUS RTU closing opening of dry contact in case of exceeding the threshold 1 2 13 The monitor maintains operability under conditions of the background gamma radiation with ambient dose equivalent rate hereinafter referred to as AEDR as follows for modifications UDGB 01T 1 1 not more than 0 2 mSv h for mo
28. itored one and using relative sensitivity E correct the measured result manually by dividing the measured value by E If the Configurator software is used for adjusting the monitor all that is necessary for obtaining the volumetric activity of the monitored gas is to write the numerical value of sensitivity indicated in the Appendix E into the monitor s memory 1 4 5 The measured values are recorded into the non volatile memory thus forming the archive of measurements which can be read out if necessary using the Configurator software The memory can store up to 3000 measurements 1 5 Marking and sealing 1 5 1 A nameplate with the following information is attached to the monitor housing trademark and name of the manufacturer reference designation of the monitor works number of the monitor according to the manufacturer numeration system sign of approval of the measurement instrument voltage current and frequency of the AC power supply degree of ingress protection against solid items and water provided by casings made in Russia Note The works number is marked on the control panel all other monitor are marked with continuous serial numbers of the manufacturer 1 5 2 Method of marking and place where it is made on the monitor and its parts shall comply with the design documentation 1 5 3 All devices comprising the monitor are sealed in accordance with the design documentation 1 6 Packing 1 6
29. n channel Ethernet Ticking this check box is NOT recommended in case the monitor uses the ModBUS communication channel FVKM 412123 003RE 32 Appendix G Reference REFERENCE DATA FOR CALIBRATION G 1 For calibration of monitors UDGB 01T and UDGB 01T1 in case the Kr is not available it is allowed to use gases indicated in the Table C 1 proceeding as follows Using the Configurator software write the sensitivity coefficient for desired nuclide into the monitor s memory in accordance with Appendix D prepare equipment for calibration with gas in accordance with Table 4 1 perform calibration of the monitor in accordance with section 4 5 3 2 using the volumetric activities from Table G 1 if obtained value of the basic relative measurement error 6 falls outside the limits indicated in section 1 2 3 it is necessary to correct the sensitivity coefficient for Kr in the range 10 using the Configurator software if the calibration results are positive record the nuclide and the sensitivity coefficient into certificate Table G l Volumetric r Co ambient equivalent activity of Hou JOU SUNY Monitor dos amp rate Sehri tritium H activity of C of Xe 3 Bq m Bq m Bq m q q 105 n s UDGB 01T 1 0 3 5 ie 4 5 H 2 3 5 UDGB 01T1 1 0 10 25 43510 2 3 10 10 10 3 5 10 4 5 10 2 3 10 4 5 107 1 5 1019 1 9 10 1 0 10 UDGB 01T2 7 4 107 2 5 10 3 2 10 1 6 107 1 0 3 5 1
30. nside the chamber by beta and gamma radiation of radioactive gases and by external background radiation The filter holder is used for filter installation in order to prevent aerosols and dust ingress into the working volume of the ionization chamber Removing of aerosols by filtration from the inlet air is a necessary condition for maintaining operability of the monitor The filter holder is delivered by the customer s request if the sampling point where the monitor will be used is not equipped with aerosol filtering device The holder is not intended for accommodation of filters absorbers of radioiodine required for additional purification of the gas mixture from radioiodine isotopes Filters absorbers of radioiodine sorption traps and not included in the delivery kit of the monitor 1 4 2 When external pumping is used then the air cleaned from aerosols and if necessary from radioiodine enters into the ionization chamber through the inlet connecting pipe after passing through the flow rate meter The particles emitted by radioactive gases ionize the medium air inside the chamber it results in the current flow in the ionization chamber The electrometer measures the current and transmits the data to the electronic unit which process these data calculates the activity concentration and transfers the calculated value to the information network and to the LCD The flow rate meter is designed for the monitoring of air circulation throug
31. ntil the end of the current measurement cycle In this case the state of the alarm will be determined by measured value of the volumetric activity and by thresholds To stop testing one should to remove the tick and click on the button Transfer to the device Device status number which represents the operability or failure of the monitor and its interpretation bit by bit The revealed malfunctions are automatically checked by ticks and highlighted by yellow colour FVKM 412123 003RE 30 Measure tab This tab displays the monitor s measurement results the thresholds settings and the state of dry contacts The tab includes the following parameters Volumetric activity Bq m the last measured value of the total volumetric activity of the beta emitting radioactive gases in the air Warning threshold the value of volumetric activity of the beta emitting radioactive gases in the air that corresponds to the first threshold Warning Alarm threshold the value of volumetric activity of beta emitting radioactive gases in the air that corresponds to the second threshold Alarm Warning threshold exceeded in this field a tick automatically appears after updating of data in case the last reading measured value of the activity of beta emitting radioactive gases in the air exceeds corresponding threshold 1 Warning Alarm threshold exceeded in this field a tick automatically appears after u
32. of calibration operations Calibration tools and eguipment and their technical Operanon ren characteristics External examination 4 5 1 Visual Testing 4 5 2 Determination of the basic 4 5 4 Calibration installation UPGD 1M or eguivalent with relative measurement error of Co source reprodudcing the AEDR withing the the volumetric activity of beta range 1 0 10 to 1 0 Sv h with relative error not more emitting gases than 7 Working standard of volumetric activity based on radiometer RGB 07 with basic relative measurement error not more than 5 Hoses for connecting to radiometer Kr gas with activity 1 0 10 Bq Differential pressure gauge DTmMP 100 M2 PC and communicatin cable Configurator software FVKM 001005 07 Note It is acceptable to use other calibration equipment with characteristics that ensures determination of metrological parameters with required precision 4 3 Safety precautions 4 3 1 During calibration follow all 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 radiation background not more than 0 25 uSv h Ait TetnbeT tlife orbe t og uy un cob tus ESA Ee Oups 20 2 C t lative air from 30 to 80 Yo SEHR 86
33. onnect the monitor to computer using communication cable Cable is connected to the connector RS 232 of the monitor and to serial port of the computer 2 4 2 The Configuration software shall be installed on the computer in accordance with the User Manual for the Configuration software FVKM 001005 07 34 01 3 MAINTENANCE 3 1 General notes 3 1 1 Maintenance is performed with the purpose of ensuring normal operation of the monitor within the whole operation life 3 2 Safety precautions 3 2 1 Before beginning to work with the monitor familiarize yourself with this User Manual 3 2 2 During all operations with the monitor it is necessary to follow occupational and radiation safety requirements of current safety instructions in the company facility 3 2 3 Technical personnel with basic computer skills and skills of working with radiometric equipment are permitted to perform maintenance of the monitor 3 2 4 During operation of the unit special attention shall be paid to power cord condition in this place dangerous voltage can be present 3 2 5 All cable connections and disconnections should be performed with the power supply cut off When using the monitor as part of measurement information complexes systems and installations hot connection of cables is allowed without switching the monitor off At that connection should be provided of the protective ground to corresponding terminals at the monitor and the signal receiving
34. pdating of data in case the last reading measured value of the activity of beta emitting radioactive gases in the air exceeds corresponding threshold 2 Alarm Dry contacts Dry contact threshold Bq m the threshold value of volumetric activity of beta emitting radioactive gases that corresponds to the dry contact closing opening Output dry contact indicator of the relay circuit state at the moment of reading The tick is set automatically in case that last read measured value exceeds the dry contact threshold For testing of the operability of the relay circuit set or remove the tick manually then click on the button Transfer to the device The state of the dry contact in the monitor is updated after completion of each measurement interval Service tab This tab appears only after the program is switched into expanded access mode The tab includes the following parameters Sensitivity value of the monitor s sensitivity to beta radiation determined as a result of the last calibration Measurement time period of regular updating of data seconds Intrinsic background Bq m the intrinsic background of the monitor Bq m determined as a result of the last calibration Operational current Operational voltage Bias voltage Bias current values of working parameters of the radiometric measuring channel Service functions service parameter which characterizes the service functions us
35. r in hours from putting into operation Siren state checking of the state of monitor e s audible alarm The tick is automatically set when the audible alarm is turned on in case the last reading of the monitor exceeds the first or the second threshold Indicator state checking of the state of monitor s colour indicator The state of the colour indicator at the time of reading is represented by dot and by colour of the field The state of the colour indicator is determined by the last reading measured value The yellow signal and audible alarm are turned on in case the first alarm threshold is exceeded and the red signal and audible alarm in case the second alarm threshold is exceeded For testing of proper operation of the light signal it is necessary to select the colour manually by setting a dot next to the desired colour and click on the button Transfer to the device The indicator with selected colour will be lit To stop testing one should to set the dot in the original position next to the green indicator and click on the button Transfer to the device In case the alarm unit BAS is connected to the monitor its operability is tested concurrently with testing of the operability of monitor s colour indicator For testing of proper operation of the alarm it is necessary to set the tick manually and click on the button Transfer to the device The alarm then should turn on and sound u
36. ried at 150 180 C during 3 hours and cooled to room temperature in the exsiccator 5 install the back panel in place only for UDGB 01T and UDGB 01T2 3 3 2 Periodic maintenance Periodic maintenance of the monitor includes calibration and current repair Monitors with malfunctions that are not meant to be eliminated in situ or which have not passed calibration are subject to current repair Current repair of the monitor is carried out in accordance with instructions in section 5 3 3 3 Decontamination Decontamination of the monitor is performed in accordance with current work schedule and procedures of the company facility by at least every month External surfaces except LCD shall be decontaminated using solutions 1 and 2 as stated in the section 1 2 22 After treatments of the surface using cleaning cloth moisten with decontamination solution the surface shall be wiped by cleaning cloth moisten with distilled water then dried using filter paper For decontamination of the cable terminal connectors LCD and measuring use solution 3 in section 1 2 22 No additional treatment with distilled water and drying with filter paper are reguired 4 CALIBRATION ROUTINE 4 1 General reguirements 4 1 1 Calibration of the monitor is performed in accordance with IEC 61453 2007 4 2 Preliminary arrangements Operations performed during calibration and necessary eguipment are listed in the table 4 1 FVKM 412123 003RE 10 Table 4 1 List
37. s are displayed on LCD and sent to the information network If replacement of the aerosol filter or dessicator cartridge is needed the monitor displays corresponding message on LCD and sends it to the information network 2 3 5 Each measurement result of the monitor is a value of volumetric activity of beta emitting radionuclides in the monitored gas calculated with the use of sensitivity to Kr For determining the volumetric activity of H Xe and C it is necessary to calculate the measured value manually according to the formula q Ai 2 1 amp where g calculated volumetric activity of the i th radionuclide gas Bq m q volumetric activity by indications of the monitor Bq m amp relative sensitivity to beta radiation of i th radionuclide gas according to 1 2 5 Note By means of the Configurator software the sensitivity coefficient to specific radionuclide other than 5Kr can be written to the monitor s memory provided that necessary access level is granted to the operator In this case values of volumetric activity indicated by the monitor will be automatically recalculated Sensitivity coefficients for selected radionuclides gases are presented in the Appendix E 2 4 Adjustment 2 4 1 Parameters of the monitor can be changed using the Configuration software A list of parameters available for displaying and editing using the Configurator is presented in Appendix F For this purpose c
38. s satisfactory an extended operation term of the product shall be determined FVKM 412123 003RE 15 L10 990N Jo1uoui n Jo suorsuouim Sum pue 81940 V on8rq PIZIJDWOJYI JUIZ YJIM 4S OIJIJDW GW MIJIS DuipunoJn e 13345 SSaJUIDIS OIJAJDW G Z LO jno diy 7 13345 SS3 UIDIS 01 g z n aqny ur dly Ajquassy J1401123 3 Z Ajquassy d qumu 7 EGE ANI TILOO 4101831 90 y xipuoddy 797 VOLINOH 3170087 HALISI S PO 11001 2 E J 18 H NL FVKM 412123 003RE 16 1110 400 Jo1uoui y Jo n oruono j suorsuouip SUI pue EJ9A Z V 2 81 ButJ8A02 pazijDulo y2 yuiz Y IM 19948 O1JajDW CN MaJ2g DuipunoJg 4 E jasJs ssajumis jue pu G 7z 9 agn Hajui IY Z IT 12945 ssajum s waw G 7 19 egn Jeng 5 131H diy 4224 LI Andino Av 13 c c Su u313A401212313 anno div 13N83H13 192 072 102 YOLINOW L D E H S3SV9 3AILLOVOIQVSH P L110 990N LINN DIHLIWOIJVAU ET d MAAN berg L110 990N NYS c t 692 FVKM 412123 003RE 17 ELL 867 2110 400 1o1100ui oq JO
39. t the monitor to the external pumping unit this shall result in updating of the indications on LCD 4 5 3 Determination of basic relative measurement error of volumetric activity of beta emitting nuclides in gas 4 5 3 1 The basic relative measurement error is determined for modifications UDGB 01T and UDGB 01T1 by the measured volumetric activity of Kr or by Co sources of gamma radiation for modification UDGB 01T2 by converted AEDR of gamma radiation of Co sources 4 5 3 2 Calibration of the monitor by Kr shall be performed using the reference gas radiometer working standard RGB 07 as follows 1 prepare the reference radiometer for operation in accordance with its operation manual 2 prepare for operation the monitor to be calibrated 3 connect pneumatic paths of the monitor and the reference radiometer 4 perform calibration using Kr in at least three points of the measurement range with volumetric activities specified in Table 4 3 Table 4 3 Monitor Volumetric activity of Kr Ambient equivalent dose rate of Co Bq m Sv h 105 1405 an 3 4 107 1 0 107 GE 3 4 106 1 0 107 3 4 107 1 0 107 1 4 10 4 5 107 UDGB 01T2 2 4 107 7 4 10 3 4 10 1 0 5 determine the activity concentration g by the reference radiometer readings 6 calculate the relative error 6 of the monitor to be calibrated in per cents by the formula 2 100 4 1 qo FVKM 412123 003RE 12
40. than Ux i RU E aut 30 kg EL KIELEN 12 5 kg LEE eege 27 kg 1 2 24 Overall dimensions not more than 2 VE RE A KENE EE BOI EE 381x343x716 mm UDGB OIT1 electronic unit 269x315x173 mm detector unit BDGB 02P 262x600x240 mm 1 2 25 Mean time before failure not less than 10000 hours Mean dite e d or MERE QUE DAR s d not less than 10 years 1 3 Configuration 1 3 1 The monitor is comprised of the following main parts an electronic unit and a chamber block with a built in detector unit BDGB 02P for modification UDGB 01T and a detector unit BDGB 02P6 for modification UDGB 01T2 combined in one construct an electronic unit and external detector unit BDBG 02P flow through chamber or BDGB 02P diffusion chamber for modification UDGB 01T1 Outline drawing are presented in the Appendix A Spare cartridge is included in the spare parts and accessories kit delivered with the monitor Software Configurator hereinafter Configurator software is intended for testing and adjusting and calibration of the monitor using personal computer Connecting cable is used for connection to PC it is connected to the RS 232 socket on the electronic unit FVKM 412123 003RE 5 1 4 Design and operation 1 4 1 The electronic unit provides the following data exchange
41. with detector units indication of air pumping through the ionization chamber of the detector unit calculation of measured value of volumetric activity displaying of the measured value on the liguid crystal display LCD accumulation of measurement results archive transfer of measured values and status of the monitor to external information network audible and light indication when the measured value exceeds specified threshold The electronic unit can transmit control signals to the dry contact and signaling device SD or similar device The electronic unit is connected to AC mains using the power cord The chamber block is designed for placement of the detector unit The detector unit BDGB 02P is a flow through ionization chamber with volume 10 liters equipped with an electrometer and intended for measuring the ionization current due to ionization of the air inside the chamber by beta and gamma radiation of radioactive gases and by external background radiation For ensuring stable operation of the chamber the electrometer is placed in the airtight casing and provided with silica gel cartridge The cartridge water vapor absorber is intended for elimination of biasing current increase under conditions of increased humidity The detector unit BDGB 02P6 is a flow through ionization chamber with volume 100 cm equipped with an electrometer and intended for measuring the ionization current due to ionization of the air i
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