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RC705 I&E_Man (2014).p65

1. 03 03 04 04 05 10 10 10 10 11 12 13 14 14 15 21 22 30 31 34 35 35 Equipment Maintenance Services and Warranty clause 36 41 PERSON CHECKING FOR RADIOACTIVE CONTAMINATION USING RADCHECK METER amp 1 X1 NaI EXTERNAL DETECTOR PROBE PERSON CHECKING FOR RADIOACTIVE CONTAMINATION USING RADCHECK METER amp 1 X1 Nal INTERNAL DETECTOR PROBE Mimature RG 59 cable r Detector output signal Electronic circuit main PCB GND Fig 2 PMT bleeder circuit PCB Fig 1 Top Cover Fig 3 Bottom cover with detector 1 x1 seiudibition detector PMT PMT bleeder circuit CHAPTER I INTRODUCTION Rad Check Meter Type RC 705 I amp E manufactured by NUCLEONIX SYSTEMS is primarily designed to inspect amp measure Radioactive Contamination RaC in steel samples such as billets rods rounds flates castings Automotive Engineering components etc Components in different sizes amp shapes can be inspected by this meter This Rad Check Meter is widely used globally by many steel industries This is a Portable Hand Held Meter designed around integrally coupled 1 x 1 Nal TI Scintillator to a 1 x 1 5 PMT will offer an optimum performance in counting Low Level Gamma contamination This unit has Two modes of measurement namely Doserate mode amp countrate mode In doserate mode it measures in two Unit i e nSv hr and also in mR hr and in countrate mode it can measure in CPS amp also in CPM modes Do
2. on left corner of LCD display it is advised that the battery be replaced to ensure correct calibration and indication of the dose rates Follow the below procedure for replacement of battery a b c d e Lift the two latches and disengage the top unit from its bottom cover Now holding the bottom cover lift off the top unit by its handle Steps 1 amp 2 Notice battery holder on the bottom side of instrument electronic unit cover for battery holder is to be removed by unscrewing holder lid screws Step 3 Now the existing batteries mounted in the battery holder are to be removed and replaced with new set of batteries ensuring proper polarity Step 4 amp 5 Now check battery voltage again for that switch ON the unit and see that LB is not displayed on LCD display Now assemble back the top unit in its bottom cover and close the unit using the latches provided of latch Bottom of latch Step 1 Note To separate the top instrument panel with handle which also contains electronics PCB from the bottom cover follow the instructions given below A B G Holdthe latches both sides as shown in the above figure with thumbs touching onto the top of latch and first finger touching on to the bottom of the latch Now bottom of the latch should be pulled outwards by using first finger as indicated in figure by arrow This will loosen in the latches facilitating one to separate the top instrument pa
3. In case your PC does not have Windows Live Movie Maker Windows Media Player Run Windows Live Movie maker Setup by Double clicking on windowsLiveMovieMakersetup web in WindowsLiveMoviemakersetup folder Internet Connectivity is required Windows Live Movie Maker is required to play Movie files Documentation Go through the following Videos to understand the working of NucSoft before running the application To locate the Videos click on Start All Programs Nucleonix Systems 1 NucSoft AboutUs 2 NucSoft UserManual SystemRequirements 3 NucSoft UserManual MakingConnections 4 NucSoft UserManual IdentifyingCOMPOrt 5 NucSoft UserManual SoftwareFeatures Default Login and password for NucSoft software is admin and Nucleonix Note Data cable should not be connected when the RAD check meter is in switch ON condition 14 CHAPTER VIII INSTRUCTION MANUAL FOR NUCSOFT DATA COMMUNICATION SOFTWARE INSTALLATION PROCEDURE The following is the procedures to install NUCSOFT Please follow the steps Please insert the NUCSOFT CD in the CD drive If not then explore the CD and double click on nucSoft fh th Wee Wo p Q O pe Aiie C ES Setup 7 fs mmi 400 workers ws 2 rm 4 L Lael POP ie _ P teus Cotten het wa aaa ew Mucio Sete ve E y m t Troe Ba
4. upuiA2 2 e 00 910 vLO 9 L0 9400 Em YON Su Aq B 5 ae 7 ETE 9 6 HE VL 10 uononpei 19 09 geel VOz ooz 9902 voz 6 602 49949 pey S NN edeus pue 3uBreH ezis o n 26 07 JO uolonpel 96 8 6c i i 1eu13 u1 49949 0 95 695 84 245 905 905 vds eds cds Lds sojdwes UoneuluJejuoo 9A9 MOT ura spasn UBIH ueo 3 sojduues lHOd3H AYVININNS SSIGNLS 3575 33 STEEL SAMPLES ANALYSIS FOR RADIOACTIVE CONTAMINATION amp REPORT GENERATION Sp2 Clean sample Sp3 Clean sample Sp4 2 valve blocks manufactured by a steel I Sp5 Steel rod sample from a steel industry are found to be contaminated industry found to have low level contamination Sp7 Steel rod sample froma Sp8 Steel rod sample steel industry found to have from a steel industry found to low level contamination have low level contamination Sp6 Steel rod sample from a steel industry found to have low level contamination Sp10 Cylindrical sample manufactured by a steel industry are fo
5. 1Bq g of course in other European countries acceptable level is less than 0 5Bq g This is partly answered in the previous QA 40 We would request you to go through our website Information about case studies thoroughly Quality Control person has to know how to identify a component as a Clean BG falls more than 1296 on contact with sample b Contaminated or increases more than BG C Suspected contamination case BG falls marginally up to 896 or remains same on touching the Sample In a amp b cases itis easily identifiable by Rad check meter of course the sample size thickness mass criteria etc should be ensured it should cover the front face ofthe detector completely when you touch the detector to the component Ifthe components are small in size then you can group them to make about 2 3 kg put them in a plastic pouch amp cover complete front face ofthe detector To identify suspected contamination we have also given criteria In such a situation by going through our case studies reports amp by making proper measurements amp analysis one can perhaps say intuitively that contamination is less than 0 1Bq g But for exact quantification one hasto go through analysis by Radioactive Contamination Analyzer Bq gm System method only Analysis by Radioactive Contamination Analyzer Bq gm System Bq g method for exact quantification is 10096 authentic amp foolproof In case you encounter suspected contamination case then yo
6. PT XXXX A Preset Time Counts Depending upon the minimum detectable level or on occurrence of alarms user may decide on accepting rejecting the material scrap finished goods 5 1 6 STORING OF ACQUIRED READINGS To store last acquired readings into the memory press STORE button while acquisition is going ON for DOSERATE CPS amp CPM modes For PRESET TIME mode at the end of counting for preset time press STORE button 5 1 7 TO SET THE LABLE FOR A CORRESPONDING READING By using this feature user can give code numbers to different locations when making measurements on field By using WorA keys code number can be changed to 00 to 99 CODE NUMBER LABEL XX 5 1 8 CALIBRATION This is a very useful amp important feature it allows one to calibrate the unit to obtain expected dose rate for the type of the scintillator used This is to be changed only if user intends to recalibrate the unit RE CALIB NO To recalibrate press A or Y keys to get the following display RE CALIB YES Now on pressing PROG key the existing calibration factor is displayed and user can change it with A or Y keys to get new calibration factor CAL FACT XX XX 5 19 BUZZER On pressing PROG key the following display appears BUZZER OFF The default buzzer condition is OFF User can change this by pressing A or Y keys BUZZER ON 5 1 10 RECALL DATA READINGS This is a very useful feature that has been provided in this unit At the end of stor
7. Question is if the components are small in size do we have to check each component If we check each component separately whether results are meaningful If the components are small in size then you can group them to make about 3 kg put them in a plastic pouch amp cover complete front face of the detector This will satisfy the mass amp size criteria Measurements are to be carried out in this fashion only If you check each component separately results will not be meaningful as mass amp size criteria are not met Can Garments such as Jackets having iron rings and fancy buttons of iron SS get contaminated Yes Itis possible and hence exporter of these goods with iron rings and fancy buttons of ferrous and SS materials have to check for radioactive contamination Can one avoid making measurements at product processing level or check only final packed wooden crate containing finished products in packed condition Itis quite risky amp since you will notbe touching the components very closely as wooden crate will prevent you meter touching the components there is a possibility of low level contamination being not detected This can be damaging to you Hence we recommend inspection at different stages of production cycle Also by detection atearly stage of production cycle you will save on processing costs by not processing the contaminated input material 28 40Q A 41Q A Ifyoususpectradioactive contamination in your p
8. a value or to change the option selected to another value available STORE key button This key is used for storing the readings or data values in the following way If you want to store the data then press STOP button to stop acquistion and then press STORE button Note Keypad commands have been explained in detail under chapter V 5 1 POWER ON KEY BUTTON This key is used for the unit to put ON OFF If you want to store the data then press STOP button to stop acquisition and then press STORE button Note Keypad commands have been explained in detail under chapter V 5 1 RS232 OPTIONAL AT EXTRA COST This connector is having RS232 compatible signals for serial data communication to a P C Under software control from a the stored data reading from this unit can be down loaded on to P C RC705E External RC705I Internal Detector options Calibration Accuracy Acquisition mode Dose Rate mode Over Range Alarms Preset level Data Storage Display Indication Sensitivity Serial Port optional User Interface Power Dimensions Weight CHAPTER IV SPECIFICATIONS a Nal TI Scintillator 1 d x1 h coupled to a Photomultiplier Tube Detector assembly is inside the survey meter enclosure b External unit through 1mtr cable a Better than 10 specified with a Cs 137 standard source from 100 mR hr onwards b within 20 upto 200 mR hr CPS 0 50000 CPM 0
9. natural BG 25Q When do we say that the product under inspection is contaminated A If you are making measurement with Rad Check Meter amp if the reading when you touch the component closely with meter goes even slightly higher than the background then one can declare that component as contaminated Even if the reading remains equal to BG or goes marginally lower than BG when you touch front face of the meter to the sample under test then also itis a case of suspected contamination Under this condition checkup more thoroughly amp it could be a case of low level contamination Best way is to take more mass or material amp touch the meter close to the mass amp ifthe reading increases than the previous one then it is a contamination case 26 26Q A 27Q A 28Q A 29Q A 30Q A 31Q A If it is suspected contamination case SCC what to do How to analyze further to ascertain on the status of contamination In a suspected contamination case itis essential to make a through check Take large amount mass of sample and ifthe meter reading goes up with increased mass then it is definitely a contamination case Also you can send the samples 1kg to Nucleonix systems for further analysis using Rad Check Analyzer which is a 10096 foolproof method of identifying RaC When do we say amp can declare a product to be clean from RaC using Rad Check Meter Firstrecord the background BG amp
10. screen Now you can enter the baud rate number in the given slot as 9600 and press OK LIU After pressing the Acquire it show that is downloading data cote selection a atem gt After that you can see the following screen You have to aquire the data F Ras puram Dein magus Salire 2 Wem Hn urat act Cust 20 gt After acquiring data the screen appears as we have stored the data in the unit The reading can be displayed like this MS EXL format Seno Label Batch TracesbiityNo Time Date BSLevel Measured wue Rezut Generate Report 03 06 11 1264 1071 nSwh 1254 10711 OnSwh 17 58 0610 201 CPS 201 gt You view the reports as follows You can also take the print by clicking print option on the tool bar By this the report generation is over 21 CHAPTER IX FREQUENTLY ASKED QUESTIONS FAQ Radioactive Contamination RaC issue is anew phenomenon for the recycled steel and foundry industry including automotive and engineering component industry These RaC issues are important to all exporters to Europe USA UK amp Japan Low level contamination cases have been found to be more in the recent past Nucleonix systems with vast design experience in the field of nuclear instrumentation have developed a package of products for the detection and measurement of RaC for this industry Based on the quest
11. the ACQ MODE menu press PROG to select below menu option PRESET 5 TIME XXXX Now using WorA buttons adjust preset level SET ALARM LEVEL FOR CPS CPM MODES When the user intends to use the meter to make contamination measurements in steel raw material scrap or finished steel goods alarm level can be setto detect contamination by means of audio visual alarms Preset level can be chosen by going to below menu option by pressing PROG button ALARM LEVEL ENABLED Now using WorA buttons enable disable the alarm level Alarm level is chosen as a factor of background radiation level When acquiring in CPS mode choose alarm level in the range of 1 1 to 1 5 of BG keep alarm level as low as possible at a level where there is no occurrence of false alarms when acquiring for natural radiation levels without scrap material For mode choose a factor in the range of 1 5 to 1 3 of BG Select criteria for alarm level is same as that for CPS mode of acquisition ACQUIRING IN SELECTED MODE Once the acquisition mode is selected and other configuration parameters are selected user may proceed to acquisition mode by pressing START button below screens will appear depending upon the mode selected DOSERATE Blink XXXXX uR h Doserate units Doserate Status message clean alarm Blink XXXXX CPS A CPS mode XXXXXX CPS value Status message clean alarm Blink XXXXXX CPM mode 0 CPM value Elapsed time Preset time Blink ET XXXX
12. the equipment straight away if it is within 5 yrs old If the equipment is beyond 5 yrs old then also you can send it for repairs however only after you receive confirmation from Customer Support Division that it is repairable amp is not an obsolete model If the design is obsolete then customer support division CSD may give you buy back offer to replace with new model or upgrade it with electronic circuit boards amp enclosure For all installed equipments costing above Rs 6 0 lakhs which are larger in size amp for which field servicing only is recommended you can obtain a quotation with relevant details by sending an e mail amp avail the services accordingly For all field servicing jobs since we need to depute engineers it is likely to take time amp also it will cost more which includes Engineer s TA amp DA etc apart from basic service charges cost of spares etc Please note that basic service charges will be different for different products depending upon sophistication Also in some cases it may not be possible to fix up the problems in the field itself in such cases we may advise you to send them to our works For all jobs to be serviced in the field customer is requested to provide adequate details on the nature of problems to enable our engineer to come prepared with adequate spares For any additional information send an e mail to info nucleonix com Atten Customer support division EQUIPMENT REPAIRS SERVICING
13. 5000 1 10000 uR hr 10nSv hr 100k nSv hr This instrument will show over range above the 10 000 uR hr Provision for audio visual alarms of doserate exceeds preset level User selectable in modes Can store upto 1000 data readings Stored data can be recalled back on to display Dot Matrix LCD display for dose rate cum dose 1 micro R hr or 0 01uSv hr Builtin serial port facilitates data down loading into PC Data Communication Software with connecting cable can be provided at extra cost as an additional option Power ON OFF START STOP PROG REC INC DEC command buttons for setting of parameters amp operation ofthe instrument 6 volts DC BPL Excell or DURACELL ULTRA Size AA MN1500 LR6 4 X 1 5 Volts Alkaline cells 106W x 196L x 105Ht in mm Approx 1 External unit without probe 1 5kg 2 External probe 1 x1 Nal 2 1kg 3 External unit with probe 3 6kg 4 Internal unit with probe 1 x1 5 Nal 2kg 5 0 5 1 5 1 1 CHAPTER V OPERATINGINSTRUCTIONS INSTRUCTIONS ON INTELLIGENT KEYPAD COMMANDS On switching the unit ON the display will show up below initialization screens RC 705 B for 3 Sec NUCLEONIX for 3 Sec SYSTEMS After this unit acquires BG automatically This unithas been specially modified to suit the needs ofthe steel industry it additionally generates audio visual alarms in case preset levels are exceeded Now user can proceed to acquisition of samples materia
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15. INSTRUCTION MANUAL RAD CHECK METER EXTERNAL PROBE INTERNAL TYPE RC 705E External TYPE RC 705 Internal NUCLEONIX SYSTEMS PRIVATE LIMITED Plot No 162 amp B PHASE II I D A Cherlapally Hyderabad 500 051 Ph 91 040 27263701 32914548 32918055 FAX 27262146 e mail info nucleonix com www nucleonix com File Name RC705 E amp I MAN Date 12 05 2014 IMPORTANT NOTE L It is important to read the instruction manual thoroughly before operating the unit Nucleonix will in no way be liable for any damages or losses or consignment rejections either due to improper usage of this equipment or any other reason Only Sr Technicians who are fully trained by Nucleonix Systems or otherwise amp have complete understanding of measurements of RaC using this meter only need to operate and make measurements on regular basis Users are advised to keep updating their measurement methods whenever Nucleonix sends updates They can periodically check Nucleonix website for new methods amp products Detector cable and data cable are to be connected only when RAD check meter is in switch OFF condition Also it good practice to get the Rad Check Meter calibrated once in a year Equipment electronics has 1 year warranty Scintillation detector probe is fragile amp has glass ware PMT This doesn t have 1 year warranty only inspection warranty is offered Also this detector warranty doesn t cover physical dama
16. OCKS TTL pulses from the detectors are counted in a digit BCD counter which is interfaced to microcontroller These counts are read by microcontroller counted for a Time Constant TC amp shown on a LCD dot matrix display in terms of dose rate CPS or CPM There is a choice of three TCs for the user The user interface to the unit is through keypad consisting of SIX command buttons Unit has additionally EEPROM chip which allows the user to store readings upto 1000 Further the stored data readings can be down loaded into PC under the control of data communication software There is an RS232 port provided optionally for connecting to PC for data transfer This unit works on dry cells 4x1 5V 6V 12 BLOCK DIAGRAM OF RAD CHECK METER TYPE RC705B Low 1 5Vx4 cells Dropout Reg gt 5V to circuits Low Dropout Reg gt 5V to HV Block a D S T z x HV CIRCUIT REAL TIME CLOCK Optional PULSE AMPLIFIER COUNTER MICRO Discriminator CONTROLLER EEPROM RS 232 OPTIONAL LCD DOTMATRIX DISPLAY KEYPAD 13 A B C D E F G H CHAPTER VII RS 232 DATA COMMUNICATION amp REPORT GENERATION SOFTWARE Verify if Windows 7 is installed on Target PC Nucleonix provides support only for Windows 7 In case for whatever reason it is required to demonstrate the software on Windows XP install the Service Pack 3 if it is not a
17. POLICY FOR EXPORTS Equipments manufactured amp exported are subjected to a well defined quality assurance QA plan amp Factory acceptance tests FAT Nucleonix systems has the following policy to provide maintenance support to overseas customers either directly or through international dealers distributors During amp after warranty For minor problems which can be handled by customers servicing tips have been provided in the user manual servicing manual Also most of the equipments have built in fault diagnostic features which will indicate to the user nature of problem in the equipment Based on the visual indication in the instrument Display user can take corrective action or contact Nucleonix systems by email for help Nucleonix systems will guide in localizing the defective part module or sub system by interacting with the customer if required Skype will be used for communication During warranty free replacement of sub system or board PCB will be done However customer has to send defective sub system back to Nucleonix system with in 15 days on arranging replacement During amp after warranty any Freight charges amp customs clearance charges are to be borne by customers both ways If itis a manufacturing defect then Nucleonix system will bear the replacement cost of sub system unit However any Freight charges amp customs clearance charges in their country are to be borne by customer After warranty service
18. RB for further help amp guidelines on how to dispose it Shri S P Agarwal Head Radiological Safety Division Atomic Energy Regulatory Board Niyamak Bhavan Anushaktinagar Mumbai 400 094 Ph 022 25574287 Fax 022 25565717 25562344 25583230 Mobile 9820864880 11 CHAPTER VI BLOCK DIAGRAM DESCRIPTION 5V REGULATOR OUTPUT Unit draws power from 6V 1 5V x 4 dry cells A low dropout regulator provided regulates amp gives out 5V This also provides signal for low battery indication HV CIRCUIT This is a blocking oscillator based on DC to DC converter circuit which generates required HV to the Plastic Scintillator assembly gamma probe GAMMA DETECTOR PROBE This is a 1 x1 Nal optically coupled to 1 PMT Also it contains HV bleeder circuit required for the probe assembly PULSE AMPLIFIER DISCRIMINATOR CIRCUIT This receives negative tail pulses from the gamma probe amp amplifies these signals considerably before they are passed into discriminator followed by which to monostable to generate TTL signals Input stage of amplifier is a charge sensitive stage REAL TIME CLOCK OPTIONAL This is a single RTC chip with battery backup It is provided only in case the user specifically orders the unit with RTC This facilitates the user to log and store dose rate amp RTC information simultaneously Note In normal Micro R Survey Meter RTC is not provided MICROCONTROLLER amp ASSOCIATED CIRCUIT BL
19. YING WHETHER SAMPLE IS CLEAN SUSPECTED CONTAMINATION SURE CONTAMINATION CASE Make sure that sample size amp shape criteria are met as given above Case a Clean sample When you touch the sample with the meter if the reading goes lower than BG by more than 1096 then the sample is clean Case b Suspected contamination When you touch the sample with the meter if the reading slightly falls below BG but not more than 8 then it is a case of suspected contamination This sample must be examined more carefully by repeating the measurements with larger masses Sample can be sent to Nucleonix for ascertaining the contamination Case c Sure contamination When you touch the sample with the meter if the reading remains same or increases then it is a case of sure contamination APPROPRIATE ACTION In case of suspected contamination samples can be sent to Nucleonix for further analysis by Gamma Ray Spectroscopy System for Radioactive Contamination Measurement by Nuclide Identification amp its quantification A report will be given in Bq gm Nucleonix Systems is offering sample analysis services Please refer to our website amp click on Radioactive contamination Inspection Systems Products for Steel Industry on home page last para amp then to choose Sample analysis services Contact on mobile 9346645906 Customer Support Division for further details on this If you find that your sample is contaminated then contact AE
20. ap including melting scrap engine block scrap counter weight scrap etc also can be inspected by this unit All steel Iron alloy structural products fittings parts accessories including Road fencing Road barriers vehicle chassis fittings etc can also be inspected for radioactive contamination Additionally it can be used as a general purpose Rad check Meter CHAPTER II INTRODUCTION TO RADIOACTIVE CONTAMINATION RAC IN STEEL INDUSTRY Nucleonix Systems has Products developed for the inspection of Radioactive contamination in steel industry to meet the requirements at different stages of production cycle These are useful for inspection of inputs such as scrap metal semi finished raw materials amp finished products in different forms such as billets rods machined parts castings forgings etc Radioactive Contamination RaC can be defined as uncontrolled distribution of radioactive material in a given environment material Radioactive contamination in steel foundry is due to the accidental incorporation of radioactive material into the scrap metal chain supply system There are a lot of radioactive sources industrial and medical used for industrial gauging applications and in medical systems in cancer hospitals When these sources are disposed illegally not following the Atomic Energy Regulatory Board guidelines it is likely that they come into scrap metal supply chain system Steel foundry mills who own smelting furnac
21. ay calibration charges amp also equipment repair charges additionally if the unit is faulty amp requires repairs before one can take it up for calibration 4 You are requested to ensure good packing to avoid any transportation damages Especially if there are external detector probes they are to be packed with sufficient soft foam to ensure no damage in transportation 5 Use only the specified following mode of transportation system for dispatching on door delivery basis XPS GATI cargo Courier RPP Speed Post parcel etc Send the equipment on freight paid basis Equipments sent by other methods such as Rail Road etc will not be collected Also you can cover for transit insurance both ways if you wish Nucleonix system is not responsible for any transportation damages or loss during transportation both ways 6 Immediately on receipt of the equipment we will send an acknowledgement amp also a proforma bill by email post 7 Based on the proforma bill once we receive the payment equipment will be dispatched back by similar mode of transportation as mentioned above HOW TO AVAIL CALIBRATION SERVICES FOR FOREIGN CUSTOMERS Foreign customers can calibrate Nucleonix make Radiation monitors equipments in their country at any of their accredited Radiation calibration labs Nucleonix systems will be happy to provide any help and guidance ifneeded for calibration Alternatively if you send the equipment here to India we can also provide cal
22. components when the meter front face is kept close to sample almost touching It is a hand held instrument suitable for scanning manually There are more than Five Hundred meters supplied by us throughout the country which are widely in use Recently we exported these meters to few countries 22 7Q A 8Q A 9Q A 10Q A 11Q What is a G M detector based Radiation monitor Whether one can use it for checking of Radioactive Contamination in steel iron alloy castings products Low cost GM detector based meters are offered by some companies amp they cannot detect low level radioactive contaminations Higher contamination levels only they can detect amp hence are not recommended for this application Only sensitive meters which can measure Dose rates from 14 R hr or 10 nSv hr onwards are to be used At Nucleonix System we have a product called Rad Check Meter in our range This is a portable meter to be used either with internal or external probe When Truck Container Monitoring System is to be used for Radioactive Contamination How does this help This system comprises of two large volume plastic scintillator detector pillars electronic measuring amp alarms unitand software with PC Highly recommended atthe entry exit gates to check for radioactive contamination in In coming trucks containers carrying scrap metal input raw material iron steel alloy products etc Also it can be used for checking
23. d some of the export rejected contaminated samples as part of this exercise to offer best possible product design for Radioactive Contamination RaC measurement to the steel industry These four products developed include 1 Rad Check Meter RC705 I amp E a With Internal detector b With External detector probe 2 Truck Container Monitoring System for Radioactive Contamination Type TR1020 3 Gamma Ray Spectroscopy System for Radioactive Contamination Measurement by Nuclide Identification amp its qunatification To measure contamination in Bq gram 4 Package Monitoring System Type PMS 1009 3 1 3 1 1 3 1 2 a b c d e 3 1 3 3 1 4 CHAPTER Ill FRONT PANEL amp SIDE PANEL CONTROLS FRONT PANEL CONTROLS AND INDICATIONS LCD DOTMATRIX DISPLAY This is a 16 X 2 alpha numeric LCD dotmatrix display and responds to all the commands from the keypad and displays programme parameters like Acquisition modes BG CPS CPM DOSE RATE PRESET TIME TC Recall Save etc INTELLIGENT KEYPAD PROG key button This key is an important one which facilitates the user to programme the operation of the instrument for different modes conditions START key button This is used for starting of acquisition once all the programme parameters have been set STOP key button This key can be used to stop acquisition INC DEC key button These keys are used while setting the programme parameters to increment decrement
24. deposited 1 kg of air Roentgen R Is defined as the exposure that results in the generation of 1 electro static unit of charge 2 0 g X 10 ion pairs per 1 cm3 of air STP 0 001293 gms 1 2 58 X 10 C Kg Gray Absorbed dose is a measure of energy deposition in any medium by all types of ionizing radiation and 1GY 1J Kg Since an exposure of 1 R results in an energy deposition of 869 X 10 5 J Kg in air it follows that 1R 869X10 Gy 1 R 8 69 m Gy milli m E 107 1R 10m Gy micro 10 1R 10mSv nano n E 10 1 Sv 1R 10m 1Sv 100R 23 12Q 13Q 14Q 15Q A 16Q A 17Q A Can we have some conversions between Sv amp 1 Sv hr 100 R hr 1 mSv 100 mR hr 1uSv 100 pR hr 10 nSv 1 R hr 10 uSv hr 1000 uR hr 100 mR hr 0 1 uSv hr 10 uR hr What is Becquerel Bq SI unit of activity It is define as no of radioactive transformations or isomeric transitions per second 1 Bq It defines the source activity strength What are the clearance levels radioactive contamination in European countries UK amp USA Allowable Limits for Radioactive Contamination Analyzer in steel in different countries are given below USA itis nil European Union 1 0 Bq gm Germany 0 1 Bq gm UK z 0 4 Bq gm Japan 1 0 Bq gm IAEA BSS 1 0 Bq gm For Material upto onetonesIAEA 0 1 Bq g For bulk material without limit ICRP 0 1 Bq gm However it may be good practice to observe the lim
25. ding due to sample contamination i e Meter reading Sample contamination Natural Background However if you account for reading due to background then reading due to sample will be same in the different places 24 18Q A 19Q A 20Q A What 15 check source amp why is it required Check source is a small low level Radioactive Gamma Source Cs137 This is basically required to check whether your Rad Check Meter RC705 is responding to radiation To check your Rad Check Meter place the radioactive source close to the front face ofthe meter amp observe the meter reading to go up When you take the source away the reading drops This check source also could be used for carrying out QA ofthe product by verifying the stability ofthe reading with source over the one year period when calibration is valid Incase there is a drift of more than 1096 with respect to the initial reading when procured from factory contact factory as there could be some problem with the instrument Does this Rad Check Meter indicate nuclide type and absolute level of contamination No this meter primarily indicates gross or total contamination in relative terms The reading also varies with distance from the sample If your interest is to know absolute nuclide which has contaminated such as Co 60 Cs 137 Am 244 etc and its contamination level in terms of Bq gm then you need to go in for our Radioactive Contamination Analyzer B
26. e can make Clean sample Both with Rad Check meters Internal external probe when the samples were touched in contact BGreduced from its initial value by almost above 1896 Hence from the tabulated data of case studies for samples Sp1 to Sp3 amp Sp4 to sp8 we can make a fair conclusion that if the BG reduced by more than 10 the sample is CLEAN Of course it is very important that sample weight is at least 2 to 3 kg or more but not less amp it covered full face of the detector probe when measurement are made If the components are small page7 Fig Sp9 then add up them to make itto meet the above mass dimensional criteria for better measurement data Effect of Weight factor One more conclusion is if the sample is less in weight amp thickness then reduction of BG Percentage is found to be less Low Level Contaminated Samples It is important to notice here in respect of samples SP4 TO SP8 that BG has marginally reduced up to maximum of 7 5 when the meter is touched to component Samples with level Low level contamination when checked with MCA were found to have activity in the range of 0 076 bq g to 0 264 bq g Percentage fall in BG is more if the contamination is less Perhaps can fairly conclude if the percentage fall in BG is more than 10 then contamination could be less than 0 1Bq g However measurement by MCA analysis is most authentic It is tricky amp difficult to identify low level contamination amp quant
27. ed to go through Instruction Manual including instructions under Chapter V 5 1 completely Now switch ON the power to the unit by pressing the key power ON OFF button User can now operate the equipmentto make measurements in CPS CPM or DOSERATE mR hr amp mR hr modes as per the requirement User can store and recall the readings if required also Optional feature offered against specific order only Stored readings can be downloaded into a PC if required under the control of data communication software which is supplied at extra cost as an optional accessor Note Once the meter is switched on it enters into BG measurement mode amp at the end of measurement typically 20 sec it display BG 00222 nSV hr typical value in hyderabad value depends on place amp location Unit of BG indicated will be the unit selected earlier However user can change the unit by going to PROG mode selecting the desired unit Once BG is recorded user is now ready to make measurement on a sample for RaC inspection HOW TO MAKE MEASUREMENTS ON A SAMPLE FOR RaC INSPECTION STEP BY STEP PROCEDURE The following are the prerequisite steps that we suggest before making the actual measurements Employ a qualified science graduate with a responsible and meticulous attitude to make the measurements Training Understand the user manual and documentation Making sure the instrument is in working condition and within calibration period The following are t
28. entation distance from the detector probe face etc influence while making measurement amp hence one cannot give exactly any conversion Also detector efficiency Background also are to be accounted Further since contaminated source is embedded into steel there will be self absorption Itis possible to give conversion for a point source standard source if we know the type of nuclide Also in respect of contaminated steel samples we are not sure that contamination spread is uniform homogeneous throughoutthe mass Precisely what we measure is whatis emanating from the contaminated sample which is measured amp quantified What is embedded deep inside which may not be emanating because of energy loss when the gamma photons reaches the surface of the sample will not be detected Since it is not emanating it is of no consequence 25 However it is possible to make a fair judgment amp arrive at a conclusion to declare a component as i CLEAN ii CONTAMINATED Or iii SUSPECTED ONTAMINATION LOW LEVEL CONTAMINATION CASE Please go through our website www nucleonix com amp read the content under case studies report This will clearly give an idea on declaring a product into three categories as said above By going through our case studies report1 amp by making proper measurements amp analysis one can perhaps say that contamination is less than 0 1Bq g But for exact quantification one has to go through analysis by Radioactive Contaminat
29. ernationally accepted unit Other units available in the instrument are uR hr CPS or CPM MEASUREMENT ON A SAMPLE Samples are available in different stages of processing like raw material entry stage intermediate processing state finished product stage etc To detect contamination without missing maximum number of measurements that are practically possible are to be made at various stages of production The input stage must be given the utmost attention so that you do not waste time money and effort in processing contaminated raw material Samples can be in various shapes and sizes To get authentic measurements Samples must be chosen such that they are To get authentic measurements Samples must be chosen such that they are Sample weight Total weight is not less than 2 kg Sample size Area of sample must exceed front face of the detector probe in case of external probe and front face of the unit in case of internal detector probe If samples components are small in size they must be bunched together to meet weight amp size criteria as said above To measure for RaC on the sample press START button to enter into D RATE mode assuring that D RATE mode is default setting and bring the detector probe close to sample until it touches and covers the probe face completely Once a measurement is completed at the end of TC 4sec typical user can STORE the reading if required amp start again for another measurement IDENTIF
30. es get the scrap metal from this scrap supply chain system leading to radioactive contamination of the end products made from the ingots processed through these smelting furnaces Exports of engineering products and other steel construction materials made of steel iron alloy and castings to countries such as the UK US and EU are growing from India Radioactve contamination in steel iron alloy castings and allied products meant for exports has become a serious issue these days Lot of radioactive contamination cases have been reported by steel foundry industry It is now essential for the Indian Steel and foundry industry to wake up and take corrective steps to address these issues of Radioactive Contamination RaC Incoming scrap metals as well as outgoing finished products are to be thoroughly inspected for Radioactive Contamination RaC before exporting them to foreign countries to avoid embarrassment heavy losses and damage to reputation Developed countries are rejecting even very low level radioactive contaminated products from India To address these above issues and find solutions to the above problems faced by the steel industry Nucleonix Systems with vast design experience in Nuclear Instrumention has developed four products to meet the steel industry s demand to check inspect their incoming scrap metal and also their end products for Radioactive Contamination RaC in different situations Nucleonix Systems has studie
31. ge breakage internal cracks which may develop due to dropping or shock to the instrument Users are advised strictly to train amp inform their technicians who operate this product about this Always use protective belt amp having the detector probe to the shoulder in case of Rad Check with external detector probe To open the top cover for battery replacement or for maintenance unlatch top cover amp gently open the top cover to separate it from the bottom cover which houses 1 x1 Nal detector with PMT bleeder circuit If not opened gently one may break wire connection between bleeder circuit to main PCB S No CHAPTER 1 CHAPTER II CHAPTER III CHAPTER IV CHAPTER V CHAPTER VI CHAPTER VII CHAPTER VIII CHAPTER IX CHAPTER X CHAPTER XI CHAPTER XII CONTENTS Description Introduction amp Applications Introduction to Radioactive Contamination RaC in Steel Industry Front panel and Side panel controls indications diagrams Specifications Operating Instructions 5 1 Instructions on Intelligent keypad commands 5 2 Operating Procedure 5 3 Howto make measurements Block diagram amp Description RS232 Data Communication amp Report generation software Instruction Manual for NucSoft data comm Software Frequently Asked Questions for steel foundry industry people Case studies of contaminated samples amp report summary Calibration Certificate Page No 01 01 02 02
32. gineer will be deputed subject to warrantee terms amp conditions e This does not include personal computer related problems for which local computer service provider of the PC vendor is to be contacted Also for software related problems online support will be provided Software support doesn t include cleaning of virus problems etc e When the equipments are sent to our works for warrantee services they are to be properly packed with adequate cushion to prevent any transportation damages Nucleonix Systems is not responsible for damages or loss during transportation Packing Freight charge is to be borne by customer when he sends the equipment to our works However when we return after servicing packing will be Nucleonix responsibility amp Freight charges will be to your account Only services are free e Please indicate in your correspondence equipment model amp serial number Allthe equipments are to be sent to our works only on door delivery basis For Door Delivery Transportation contact XPS GATI cargo in your city town a reliable courier service to pick the consignment from your place For their nearest local address amp phone no s look into their websites Transit insurance if the customer feels is necessary it is to be covered Nucleonix Systems will not receive the equipments sent by other modes of transportation such as Rail Road After servicing equipments will be sent back by same mode of transport s
33. he reading will fall that 15 the theory These case studies were done in Hyderabad India in Hyderabad BG is 30 uR hr we observed this phenomena of BG reducing by more than 15 for all clean samples In some other locations cities BG could be low and reduction BG could be 10 to 15 even in such cases also the material could be clean For e g in case studies table for sp4 which we have classified as low level contamination we find that by Radioactive Contamination Analyzer Bq gm System method Bq g was found to be 0 076 Bq g which is a permissible level 0 1 Bq g Hence this is a relative comparison and a guide for you to make measurements and arrive at meaningful conclusion These are the relative figures You must understand the logic of making measurements Another situation if it is contaminated to higher levels then reading will go higher than the BG In which case you can say that the sample is contaminated In case of low level contamination reading may remain same as BG or it may fall by upto to 7 than BG then itis a suspected contamination case So in this kind of situation itis difficult to identify by Rad check meter some times May be you can send one kg sample from that heat to our Radio analytical lab for detailed analysis by our Radioactive Contamination Analyzer Bq gm System which will indicate nuclide type that has contaminated amp also quantify in Bq g This is a fool proof method Please go through our case study rep
34. he steps to follow in making measurements to check for radioactive contamination Measure the natural background Measure the sample near the same spot where natural background is measured Identify whether it is clean sample or suspected contamination or sure contamination case Take appropriate action Repeat steps 1 to 4 for next measurement MEASURING THE NATURAL BACKGROUND RADIATION Natural Background radiation is the ionizing radiation constantly present in the environment emitted from a variety of natural and artificial sources It comes from 2 primary sources Cosmic radiation space and terrestrial sources soil rock vegetation air Natural background varies from location to location For Eg itis different in Mumbai and Hyderabad It also varies from one spot to another in the same location For eg it will be different inside your office building when compared to the outdoor area There is also a small variation even at the same spot 10 For measuring natural background levels take the unit to the area where actual sample measurements are to be done Make sure there are no samples close by at least a few meters away Hold at least 1 meter above the ground level and 1 metre away from side walls observe the natural background BG reading Make about three measurements amp take average of the three readings amp that should be treated as the natural B G Base value We recommend that measurement is done in nSv hr which is int
35. ibration services Calibration Standards Lab amp Facility We have two calibration labs 1 Low Level Calibration Lab ii High Dose Rate Calibration lab Low Level Calibration Lab This has a Cs 137 165 mci standard Gamma Survey Instruments Calibrator from Amersham This calibration service has NIST Traceability standard Calibration of all portable radiation monitors survey meters contamination monitors Area monitors etc is carried out in this lab upto 1 R hr max dose rates Gamma Survey instruments calibrator has Cs 137 source 161 5 mCi as on 05 Aug 2002 Itis basically a gamma survey instruments calibrator procured from AEA Technologies UK USA Has NIST traceability accuracy within 796 38 12 5 Gamma Survey instruments calibrator has Cs 137 source 161 5 mCias on 05 Aug 2002 Itis basically a gamma survey instruments calibrator procured from AEA Technologies UK USA Has NIST traceability accuracy within 7 CRC 2 camera has 60 standard obtained from Bhabha Atomic Research Centre Mumbai It is a certified source ANNUAL MAINTENANCE CONTRACT AMC Annual maintenance contract AMC services For all sophisticated instruments amp systems and also for installed monitors amp networked systems in a nuclear facility or a Radiological lab or in a Medical cyclotron facility where no of instruments are networked it is advised that customer enters into an economical Annual maintenance contract with Nucleon
36. ifferent meters of same type Customer should not change this calibration factor which is password protected If changed will give wrong results and data How many background readings are to be noted and averaged to take as authentic background reading Typically 3 to 5 Background readings averaging should be alright Whether Non Ferrous Metals such as copper aluminum zinc brass amp non metals such as plastics wood etc also can get Radioactive Contamination Normally not Not heard of Can only packaging materials such as packing nail metal strap MS etc get contaminated and not the actual product under export Yes there are such cases which have happened and hence even these packing nails metal straps are also to be checked for radioactive contamination We manufacture SS billets rounds square bars which are longer Our question is at how many locations we should make measurements with Rad check meter If it is contaminated will it be uniform throughout the length Measurement at 2 3 locations in full length may be enough approximately one reading per meter may be enough If it is contaminated largely it will be distributed homogenously Of course a non uniform distribution of RaC is not ruled out Your measurement readings at two three locations will give you can idea on this 37Q Our Industry manufacturers small sized components such as fasteners SS rings door hinges latches etc A 38Q A 39Q A
37. iner monitoring systems large and smaller Portable instruments offered by companies world over In India Nucleonix Systems a reputed company with its vast design development amp manufacturing experience into Nuclear Instrumentation has developed a package of products to meet requirements of steel industry in different situations to detect radioactive contamination Which are these products The following are the products offered by Nucleonix Systems 1 Rad check meter With Internal detector RC 705 2 Rad check meter With external detector probe RC 705E 3 Radioactive Contamination Analyzer Bq gm system RA 1006 4 Package monitoring system PMS 1009 5 Truck Container Monitoring System For Radioactive Contamination TR 1021 Apart from products being offered by Nucleonix Systems to measure RaC whether Nucleonix also offers RaC measurement amp analysis services If yes what kind Yes Nucleonix offers a Radioactive Contamination Analyzer inspection services for all exporters at site amp issues certification and b we accept samples Approx 1Kg by courier for RaC analysis to give certification in Bq gm which is required in some cases Few customers are availing our services What is Rad Check Meter in what situations we can use this product It is sensitive economy model which checks for radioactive contamination Photons Gamma Radiation in steel Alloys Iron samples scrap metal Automotive and Engineering
38. ing saving of a set of readings this feature will enable the users to recall the readings on to the display from the SLNo set in the RECALL mode Changing of the SLNo is similar to that explained under SL NO selection By pressing PROG key display changes to Time Date XX XX XX XX XX Lable XXXXXX m hr Units SLNo Doserate 5 1 11 TO SET RTC OF THE INSTRUMENT Press PROG button to select below menu option 5 1 12 SAVE 5 1 13 ERASE RTC A XX XX XX XX Here the RTC is displayed in HH MM dd mm format and the time is in 24hr mode i e 1 00 PM will be 13 00 Now to set the RTC using A or Y buttons and set it to a desired value After changing all program parameter you can save those parameters Press STOP key Press PROG key unit you get SAVE option Press A or Y key You will observe on display as shown below SAVE OK Then press START key to start aquisition in selected mode If user wants to erase the stored memory press stop key amp then PROG to get ERASE parameter then press A or W key you will see as ERASE OK Then again go for START to acquire in selected mode 5 2 5 3 5 3 1 OPTIONS ACQ MODE DOSERATE mR hr amp mR hr CPS CPM PRESET TIME mSv hr UPDATE BG SL NO A 0 RECALIB NO YES BUZZER OFF ON RECALL SAVE PROG OK SKIP OPERATING PROCEDURE General This unit is packed and dispatched in ready to use condition On unpacking user is advis
39. ion Analyzer only Using Rad Check Meter you can definitely classify the product and say whether it is i CLEAN ii CONTAMINATED Or iii SUSPECTED CONTAMINATION CASE Also if your industry is a steel mill Foundry having induction smelting furnaces it is absolutely necessary to go in for Radioactive Contamination Analyzer to obtain contamination in Bq g amp also to identify type of nuclide that has contaminated 23Q Is Rad check meter a Radiation calibrated meter What calibration standard Nucleonix Systems has at their works factory Up to what accuracy it reads A Nucleonix Systems has two calibration labs i Low Level Calibration Lab ii High Dose Rate Calibration Lab Rad Check meters are calibrated at low level calibration lab using a Gamma survey instrument calibrator make Amersham UK USA It has NIST National Institute of standards amp technology USA traceability Rad check meter is calibrated upto 15 accuracy for readings above 100 uR hr 24Q Whether this Rad Check meter measure natural background radiation accurately at any Place A No this gives a background reading slightly lower than the actual natural BG This reading we can call it as the base value Rad check meter is designed to be more sensitive on the front face ofthe detector so that it can detect Radioactive Contamination RaC from a longer distance compared to an ordinary Micro R Survey meter Itis for this reason the meter will show less reading of
40. ions encountered from the industry we thought it may be appropriate to put these queries in the form of FAQ s and make an article so that majority of the industry personnel are benefitted 1Q A 2Q A 3Q A 4Q A 5Q A 6Q A What is Radioactive Contamination in Steel Iron Alloy Casting Products Scrap metal engine block scrap and other miscellaneous scrap incoming when purchased may get mixed up with any of the Radionuclide substances Sources such as co 60 Am 241 Cs 137 etc medical amp industrial sources can enter the factory accidentally leading to Radioactive contamination when processed further in a steel industry Also semi finished inputs such as flats bars rounds castings other parts received from vendors as inputs to automotive or Engineering component industry may have radioactive contamination already How it can happen There are lot of industrial amp medical radioisotope products used in cancer hospitals amp industries When they are disposed illegally not following AERB guidelines it is likely that they come into steel plants amp large foundries through input scrap metal or through semi processed inputs purchased from other industrial unit amp can lead to radioactive contamination of the end product What is the remedy amp how to detect amp segregate contaminated parts There are sensitive low level radioactive contamination inspection systems Truck conta
41. it as 0 1 Bq gm What is Natural background radiation Inthe nature exists background radiation due to geo structure terrain rocks cosmic radiation flooring tiles walls etc also contribute to background radiation levels Natural background varies from place to place and could be in the range of 3 4 UR h to 30 40 uR h 0 03uSv h to 0 4uSv h At a single location also natural background varies and this is called statistical variation For practical purposes we take the highest observed reading in a location as natural background Rad check meter is an instrument which measures radiation dose rates from natural background radiation levels onwards Its sensitivity is typically 1 uR hr or 0 01 hr Is natural background level different at different places Yes itis different in different cities amp places for e g in Hyderabad India it is more itis approx 30 UR hr In Mumbai India it is approx 6 to 8 uR hr About FIVE times less than that in Hyderabad Whether contamination reading as shown in the display will be same in different places for the same sample under same measurement condition No unless the background level is same at two different places where you would have made measurement meter reading will be different for the same contamination levels This is because the background at these two places may be different Please note that natural background levels get added up to the meter reading along with rea
42. ity actual level in terms of Bq g by Rad Check Meter However one can say that itis a suspected contaminated case amp needs to more study amp thorough investigation Now by increasing the mass ofthe sample under measurement amp by recording observations if one finds that BG has come thas when the mass was less close to BG then certainly itis a contamination case However whether it is less than 0 1 Bq g can not be quantified by this measurement One has to analyser this by GRS MCA method High Level Contamination Samples Samples SP9 amp SP10 were analysed amp BG was found to increase from 4096 to 8096 Hence when BG increases even by a small margin or remains same one should suspect of contamination Rad Check Meter with Internal Verses External Probe From the tabulated data one can notice that external probe behaved to be more sensitive percentage reduction in BG was less compared with internal probe for low level contamination cases amp for high level contamination 96 increase was more compared with internal detector probe version Hence we advise all steel industry people to prefer external detector probe version though it is slightly costly In What unit one should measure Is it nSv hr or mR hr 96 BG increase for higher contamination case is found to be high in nSv hr mode relatively compared to mR hr mode of dose rate measurement Hence nSv hr mode of measurement one should prefer Also Sv is an SI unit amp unive
43. ix system Detailed AMC proposal can be obtained from our customer support division CSD by giving required inputs Inputs required by our CSD to send you AMC proposal Name year amp data of purchase 51 Nos of equipments Model No s No of equipments for which AMC is required Additionally no of calls per annum required for preventive amp breakdown maintenance may also be indicated Advantage of entering into AMC Equipment services offered will be prompt amp timely Nucleonix systems maintain required spares spare tested PCBs detectors amp other critical components which may become obsolete Obsolescence in electrons is quite rapid If you enter into AMC guaranteed service for the period of AMC will be the responsibility of Nucleonix Systems Nucleonix Systems will maintain Engineers at your disposal to attend to AMC calls on time Without AMC prompt service calls are not guaranteed e If some critical components become obsolete then Nucleonix systems may request you to upgrade the product with new model or new electronics which may be expensive if you are not under AMC Training on maintenance servicing To alimited extent we offer training on maintenance repairs at our works to customers on chargeable basis Details can be obtained from our customer support division by customers who may require such services 39 HOW TO REPLACE BATTERY When you observe battery low voltage indication LB
44. lready installed 1 Double click on windowsxp kb936929 sp3 x86 enu _u5Kng file in windows xp service pack3 folder Login with Administrator privileges on your PC Insert NucSoft software CD and run NucSoft bat to start installation The Batch file automatically installs the necessary files NucSoft bat should have installed NucSoft xls and NucSoftLogin xls automatically in C In case you do not find these files in C Copy NucSoft xls and NucSoftLogin xls to c NucSoft bat should have installed USB_Serial Bridge drivers automatically In case it is not installed Install by 1 Double Clicking on driver exe in BAFOProlific_USBSerialBridge_Driver folder in CD and follow the steps NucSoft bat should have installed dotNET framework automatically In case it is not installed Install dotNET framework by 1 Double Clicking on dotNetFx40_Client_x86_x64 exe in dotNETClient folder in CD and follow the steps NucSoft bat should have installed Setup exe for NucSoft automatically To verify this click on Start gt All Program gt Nucleonix Systems If you do not find NucSoft shortcut then it means NucSoft is not installed Run NucSoft Setup by double clicking on Setup exe application in Debug folder NucSoft should have installed Skype automatically In case it is not installed Run Skype Setup by Double clicking on SkypeSetup in SkypeSetup folder Internet Connectivity is required Skype is required for Remote technical support
45. ls Step wise sequence for configuration and use of the survey meter i Update BG background radiation level ii ACQ mode selection Select either CPS CPM DOSERATE PRESET TIME mSv hr modes iii Select time constant for doserate mode or select preset time for PRESET TIME mode iv Enable Disable the alarm level V Acquire in the selected mode vi Store acquired readings in the memory optional vii Download stored readings to PC through 5232 port optional TO UPDATE BACKGROUND Switch ON the unit BG gets updated automatically Ensure to keep the surveymeter amp probe about 1mtr above ground and atleast 4 5 mtrs away from any scrap amp sources UPDATING BG PLEASE WAIT This screen appears after switching ON the unit Atthe end of 20 seconds below screen appears indicating completion of acquisition for background NEW BG XXXX Now user can proceed to acquisition of samples materials 5 1 2 5 1 3 5 1 4 5 1 5 5 1 5 TO SELECT ACQ MODE Press PROG key to select below menu option ACQ MODE XXXXXX Now using Wor Abuttons select suitable menu option CPS CPM DOSERATE PRESET TIME To select time constant for doserate mode after selecting DOSERATE mode in the MODE menu press PROG to select below menu option RANGE SELECTION XXXXX Now using WorAbuttons select suitable TC LOW MED or HIGH TC TO SELECT PRESET TIME FOR PRESET TIME MODE After selecting PRESET TIME mode in
46. nel with handle from the bottom enclosure of the unit 40 Step 5 41
47. orts closely as given in the website from that you will observe in case of suspected low level contamination the BG fall is relatively less By 196 to 7 596 All these case studies were undertaken by Nucleonix Systems with the interest to help the Steel Industry in identifying amp tackling the radioactive contamination in their products It is up to you to use this data for your benefit amp advantage We are not aware whether anybody else has done this kind of case study You please check up with AERB BARC on this subject if you wish to know further Our studies are to help our customers in using our products to identify a contaminated sample One can notice from the case studies that as BG fall reduces contamination levels in Bq g increase Fair conclusions We can say that if BG falls by more than 8 to 1096 by meeting the mass size criteria to cover the detector face then one can conclude that sample is having contamination levels 0 1 Bq g which are in acceptable limits If the BG falls more than 12 to 1596 or above then the sample can be declared as clean If BG falls 196 to 896 or remains same as BG then itis a suspected contamination case amp ifthe levels are above 0 1 Bq g then itis a contamination case 29 41Q Allowable limits of contamination being less than 0 1 Bq gm where as Rad Check meter measures in UR hr A or nSv hr mode only How one can one correlate or come to conclusion that the contamination is less than 0
48. outgoing finished goods in trucks containers Inspection at the 1st entry level saves the industry from buying contaminated scrap metal amp saves on electricity bills amp other processing costs by melting the scrap metal in smelting furnaces When Radioactive Contamination Analyzer Bq gm system for Nuclide Identification amp its quantification is to be used This is a powerful tool used for exact quantification of nuclide present in a contaminated sample This system identifies amp quantifies the contamination in Bq Kg or Bg gm of the sample This is an ideal choice in quality assurance departments of all steel iron alloy Foundry casting industries medium amp large This facilitates loading of sample up to 1 to 2 kg on to the detector area for measurement What 15 the unit of measurement that is normally used in these above systems Normally the units used in these meters globally are Sv sivert In India we have been using R Roentgen But Nucleonix Systems has been providing both these units Sv amp R Additionally meters may have CPS CPM modes Nucleonix meters have FOUR modes of operation nSv hr uR hr CPS CPM In the Rad Check Meters you may find m R hr micro roentgen hour amp nSv hr nano sivert hour m micro 10 n nano 10 m milli 10 Can we have some idea on measuring units used How do you define Sv amp R The SI unit of dose equivalent 1 Sv 1 J kg one Joule of energy
49. q gm system RA 1006 This is a foolproof test and recommended for steel industry having smelting induction furnaces Is there any Equipment offered by Nucleonix Systems to know the exact nuclide which has contaminated Whether the equipment can quantify the contamination levelin Bq gm or Bq Kg Yes we have a system already in our manufacturing range which is being used now by many customers in steel industry who have induction furnaces amp manufacture products like billets bars flats rods etc This system is called Radioactive Contamination Analyzer Bq gm system RA 1006 This system records gamma ray spectra of different isotopes present in the sample under test amp spectra can be analyzed to know the type of nuclide amp also its contamination level in terms of Bq gm or Bq kg 21Q A 220 Which unit of measurement is recommended for measurement in Rad Check Meter Since Seivert is used in EU amp UK it is better to measure in nSv hr using Rad Check meter Of course one can also measure in R hr but has to use conversion factor for interpretation in Sv hr or nSv hr if required Can we have conversion from UR hr or pSv hr or nSv hr to Bq as Rad Check Meter does not measure Bq Conversion from UR hr or uSv hr or nSv hr to for a contaminated steel sample is difficult Conversion factor cannot be given right away for the following reasons One is size shape mass of sample amp sample ori
50. roducts final or raw materials what is to be done by you After ascertaining that there is a strong case of Radioactive Contamination by measuring with any of the suggested products you can approach Atomic Energy Regulatory Board AERB in India or appropriate regulatory authority in your country for further help amp guidance who will advice actually after they inspect your premises on what do amp how to dispose contaminated material Please contact Head Radiological Safety Division AERB Address given below is for Indian customers Contact Head Radiological Safety Division Atomic Energy Regulatory Board Niyamak Bhavan Anushaktinagar Mumbai 400 094 Fax 022 25990650 Mobile 9820864880 You have mentioned that for clean sample BG reduces by 15 in your user manual How did you get this figure How one should really make meaningful measurements to declare a sample a Clean b Contaminated amp c Suspected contamination case Please understand all our observations made are based on case studies go through website done by us for identification of Radioactive Contamination RaC for three situations a Clean b Contaminated or c Suspected contamination case We have clearly mentioned in our case studies for a clean sample when you touch the sample background BG reduces from its initial value depending of the thickness mass of the material If the sample is clean as it is preventing natural background entering the probe t
51. rsally accepted including in EU UK amp Germany and USA Hence make measurements in nSv hr preferably Hope this summary of conclusions will help you better in your day to day analysis amp measurements You may email us info nucleonix com info nucleonix net for more information or send your sample for Bq g analysis by MCA method in case of suspected contamination cases 31 Z 0195 sinu eds ge 2g Ly XoJdde 9 e xoudde Aq payono syoojq Z gds pds ue9jp eds oj punoJBxoeg og r JO e2ej y ejduues Jo ssouyoiu 9 edeus ezis ay uodn Buipuedep GZ 01 0 JO 1 BU o Ng Uey JAMO peseeJoep Hulpess uea 104 uo Buipuedep e Aq punoJBxoeq 104 z Sg 9 0 9 292 107 9202 0912 or 39olq 5 eq JejnBuejo2es z UIPULIS 20000 20020 2200 K 68 aii 3 m Soseo BAB 104 L oN suie16 edeus pue eip 921
52. rvicing Department NUCLEONIX SYSTEMS PRIVATE LIMITED Plot No 162 A amp B PHASE II I D A Cherlapally Hyderabad 500 051Ph 040 27263701 329145448 32918055 E mail info nucleonix com www nucleonix com For all the Radiation monitoring equipment detectors built in or external probes will not have one year warranty but only inspection warranty at the time of supply is provided Since detectors will may have fragile glass construction we do not provide warranty In case of failure of these components Nucleonix will supply detector replacement at cost cost price Note In respect of all types of portable radiation monitors it may be necessary to checkup and recalibrate the equipment once a year at our works EQUIPMENT REPAIRS SERVICING POLICY WITH IN INDIA During Warrantee The following procedure is to be followed by the customers with in India for availing services repairing facility during warrantee period e Equipments are to be sent to our works for availing free repair services during warrantee after the customer receives approval from the customer support division by sending an e mail For all equipments costing less than 6 0 lakhs one year warrantee amp free service is offered when the equipments are sent to our works only For larger systems such as installed systems networked systems specialized systems costing more than 6 0 lakhs during one year warrantee free service is offered at site Field service En
53. s will be similar to that of services during warranty However customer will have to pay for cost of parts replaced freight charges both ways amp customs clearance charges in both the countries Nucleonix systems plans to introduce audio visuals on web or on CDs to facilitate product demonstration installation amp minor maintenance very soon 37 12 4 12 5 HOW TO AVAIL CALIBRATION SERVICES FOR INDIAN CUSTOMERS Nucleonix Systems offers radiation calibration services to its customers Calibration services are provided for Nucleonix Systems manufactured products only in general as a company policy How to avail calibration services It is best advised that each of the Radiation monitors including Area monitors are calibrated once in a year When you want to send your Radiation monitor Area monitor Contamination monitor for calibration to our works You may send the equipment for calibration by following the steps given below 1 Our standard calibration charges per equipment All types of Radiation monitors including portable survey meters contamination monitors amp Area Gamma Monitors are Rs 2500 Packing Freight charges You can emaila work order accepting these charges 2 Email your work order and despatch send the equipment to our works if it is 5 years old or less including details of mode of transport sent with docket particulars 3 Also mention in your work order amp clearly indicate that you will agree to p
54. se rates close to natural background levels can be measured accurately This Rad Check Meter is an ideal choice for the Recycled steel casting industry amp Engineering component industry amp serves as a good quality assurance QA tool to check for Radioactive Contamination RaC This unit employs microcontroller based design and has number of unique features User can store upto 1000 readings at the press of a button and can recall back for visual indication on a dot matrix LCD display This unit is provided with a builtin RS232 port optionally through which the stored data can be down loaded into PC Some important features of this unit are Microcontroller based design Compact elegant and light weight User can store upto 1000 readings Detects Gamma and X radiation Measures dose rate from 1 10000uR hr or 10nSv hr 100k nSv hr Countrate mode CPS 0 50000 CPM 0 5000 Detector 1 x 1 Nal TI Detector probe assembly is built into the instrument enclosure box RS 232 serial port Optional Built in audio Works on 6V DC dry cells D DO C D D DO DO D D snp APPLICATIONS This is a handheld portable instrument used to check for Radioactive contamination in both finished products and raw materials made of stainless steel castings iron products engineering precision components buckles metal rings zips ornamental metal rings in leather jackets textile garments etc Input raw materials of iron steel scr
55. systems 30 CHAPTER X CASE STUDIES OF CONTAMINATED SAMPLES amp REPORT Components Samples from a few Steel industries steel component manufacturers exporters were analysed at Radio analytical lab of Nucleonix Systems for Radioactive Contamination RaC Also it is important to note that these measurements were made in the presence of Natural Background BG of 190nSv hr amp 20 Applicability of these results summary is to be verified where the natural BG s are of the order of 5 6 UR hr or 50 to 60 nSv hr Our next case study with all these samples will be carried out at a location where the natural BG will be of this order Analysis was carried out by using three following types of equipments manufactured amp offered by Nucleonix Systems 1 Rad Check Meter with Internal detector 2 Rad Check Meter with External Detector probe 3 Gamma Ray Spectroscopy System with MCA Measurement summery has been tabulated As part of the study three clean samples SP1 SP2 amp SP3 low level contaminated samples SP4 to SP8 amp highlevel contaminated samples SP9 amp SP10 were studied Data was recorded with Rad Check Meters in both nSv hr UR hr with sample in contact including Background BG as well In respect of MCA data was recorded in Bq g after acquiring the spectrum For analysis sample dimension size amp weight criteria as desired was observed The following are the important conclusions on
56. t is a sure contamination case Reading need not be 2 times or 1 5 time BG It can be slightly higher than BG If you are not sure amp think that the sample needs thorough investigation then send it to Nucleonix for detailed analysis What should be the minimum mass amp size of the sample to check for RaC using Rad Check Meter It is advised for one to take a sample of mass at least of three Kg approx or more but not less Also the size amp shape ofthe component should belarge enough to cover the complete front face of the detector probe meter so that detector face is covered by the sample when touched Higher the mass results of inspection will be more authentic If your product is small in size amp less in wt then put multiples of these components together such that mass amp front face of the meter covering criteria is met This is important What should be technical qualifications of the person operating the instrument The person should be a basic science graduate or a diploma engineer with an understanding of radiation He she should be very responsible and meticulous in taking the measurements 27 32Q A 33Q A 34Q A 35Q A 36Q A Whatis Calibration Factor This is set at factory by Nucleonix when the equipment is calibrated in Radiation calibration lab It may be from 0 75 to 1 5 depending upon the sensitivity of the detector Itis not same for all meters It can be different for d
57. tch Pte Date Modified Sew X3 vt Date Thurs December 22 2011 XS im 15 is not there in your system you have install the software gt Following window appear for installing NET LIU _ Q Drm TT gt Press any key from keyboard the installation will start and the following win dow will appear Click Click on computuer symbol 16 gt Follow the installation procedure When following screen appear click continue Follow screen will appear several times each time click yes ue ene bere an ee gt If following screen appear then click on ignore then click OK gt Installation complete successfully You can check by clicking NucSoft then you have to enter the given user name and password 17 Enter user name and password t 0 USER LOGIN Uw she Lage PASSWORD X mm t Nm i A aqa P mt After entering the user name and password the screen appears like this Now you have to configure the comm port and buad rate 2 4 ered to P lana Linn Pot COM Saf ata OK 18 gt Now you can see the following screen Now you can enter the com port number in the given slot as 1 and press OK LITT Bala nt So berars Mor eai gt Now you can see the following
58. then go to acquire mode amp record BG Now touch the meter to the surface ofthe component under inspection if the reading shown goes 10 to 2096 lower than the BG reading then the sample can be declared as clean Ifthe reading is very close to BG amp marginally less or equal to BG itis a suspected contamination case Is fixing preset alarm level advised or not for RaC inspection Or one should look at the readings carefully amp interpret Please do not fix any preset alarm level for RaC inspection Best way is to touch the meter to the component amp observe the reading doserate to check how closely itis to BG or away from BG or lower than BG Based on this reading only one should interpret Fixing preset alarm level above BG amp checking or interpreting for RaC can be misleading amp one can miss definitely low level contamination cases Hence never do this for RaC inspection Whatis the difference between suspected contamination case SCC amp sure contamination case Suspected contamination case is a situation when the Rad Check Meter reading is very marginally lower or same as the BG This happens if the contamination levels are very low of the order of 0 1 to 0 4 Bq g Under this condition take larger mass of 3 4 kg or much more amp touch the meter if the reading goes higher then it a sure contaminated case Also initially it when you touch the component part if the reading goes higher than BG even slightly more then i
59. u can send such type of suspected samples of about 1 kg from each heat for analysis to our Radio analytical lab Another important thing is all the Steel mills and also the foundries who have furnaces at their factory can purchase Radioactive Contamination Analyzer Bq gm System install it at their QC department which becomes an important analytical tool And it will help in identifying amp quantifying in Bq g Simply what they need to do is from each heat they have to take about one kg sample amp put it for analysis to identify and quantify the contamination in bq g They can do self certification As part of their QC Already more than companies have purchased our systems for this purpose This they can issue certificate to all their customers when they supply their products Billets Bars flats Castings etc ABOUT AUTHOR Sri J Narender Reddy Founder amp Managing Director of M s Nucleonix Systems Private Limited holds master s degree in Engineering with specialization of advanced Electronics from Jawaharlal Nehru Technology University Hyderabad Authorized more than TEN technical papers amp presented in National seminars amp Symposia Is a Life member of Quite a few professional bodies such as Indian Nuclear Society Indian Association for Radiation Protection Indian Society for Radiation Physics etc Successfully executed several large scale projects Responsible for development of several first of its kind products at Nucleonix
60. uch as XPS GATI COURIER RPP 36 b 12 3 a All types of Radiation detectors glass ware PMTs etc which are fragile are not covered in warrantee if the failure is due to physical damage external or internal due to shock dropping miss handling etc If the failure is due to a natural fault then only it is covered under warrantee for a limited period of three months However complete electronics is covered for 1 year warrantee You can also send the equipment personally to our works for repairs either during or after warrantee after fixing up with our service dept Customer Support Division If possible we may repair on same day or your person can stay for a day or two amp get it repaired amp or calibrated After warrantee Services On expiry of lyr warrantee if you like to send the equipment low cost less than 6 0 lakhs for repairs to our works you may please observe the following procedure Send an e mail with details mentioning that you agree to pay service charges which includes Basic service charges per unit module in the range of Rs 2500 to Rs 10 000 depending on the sophistication of the unit calibration charges if applicable for your equipment cost of components packing charges Return Freight charges actual Once our customer support department responds amp requests you to despatch the equipment to our works for repairs you may do so by following the steps given below Followed by this you can send
61. und to have high level contamination Sp9 Steel Nuts manufactured by a steel industry are found to have high level contamination 34 CHAPTER XI CALIBRATION CERTIFICATE This is to certify that the following unit s has been calibrated at the Radiation Standards and Calibration Lab using Gamma Survey Instrument Calibrator Model 773 of Nuclear Associate This calibrator is traceable to NIST USA Instrument Name RAD CHECK METER EXTERNAL INTERNAL Nal Detector SENG Type No RC 705 E amp I Calibration Date Range Covered 0 10 000 uR hr Calibration Accuracy Within 15 WITH CS 137 Validity One Year from the date of calibration Over Load Test Passed i 10 times Calibration Factor Head of 0 Nucleonix Services Division TO 35 12 1 12 2 a CHAPTER XII AVAILING OF MAINTENANCE CALIBRATION SERVICES AND WARRANTY CLAUSE with in India GENERAL As per the warranty clause of the company we provide one year warranty during which period we provide free service at our works Hence in case of any mal function in our instruments you are requested to send the unit back to our works by RPP COURIER SPEED POST PARCEL GATI XPS door delivery We shall arrange immediate rectification replacement within two weeks from the date of receipt of the equipment at our place Please note that the equipment will be serviced at our works only The equipment is to be sent to The Se

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