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3 DESCRIPTION AND OPERATION

3.1 Purpose of use

3.1.1 The dosimeter is designed to measure

individual dose equivalent

)

(

of gamma and X-

ray radiation (hereinafter – DE) and individual dose
equivalent rate

)

(



(hereinafter – DER) of gamma

and X-ray radiation, as well as support the automated
database of radiation burden to the personnel in the
ASPDC.

Содержание DKG-21 M

Страница 1: ...DKG 21 M PERSONAL GAMMA RADIATION DOSIMETER Operating manual 412118 023 02...

Страница 2: ......

Страница 3: ...NFORMATION ABOUT THE DOSIMETER 7 3 DESCRIPTION AND OPERATION 9 4 PROPER USE OF THE DOSIMETER 43 5 TECHNICAL MAINTENANCE 83 6 STORAGE 112 7 SHIPPING 113 8 DISPOSAL 116 9 WARRANTY 117 10 PACKING CERTIFI...

Страница 4: ...RECORDS OF THE DOSIMETER 121 13 CLAIMS 122 14 ACCEPTANCE AND WARRANTY 124 APPENDIX 126 APPENDIX B 128 APPENDIX C 129 APPENDIX D 130 APPENDIX E 131 APPENDIX F 132 APPENDIX G 136 APPENDIX H 138 LIST OF...

Страница 5: ...ersonal gamma radiation dosimeter The manual contains all information necessary for proper use of the DKG 21 M dosimeter hereinafter called the dosimeter and full realization of its technical possibil...

Страница 6: ...ing manual hereinafter referred to as the OM before using the dosimeter 1 2 The OM should always be kept with the dosimeter 1 3 All records in the OM should be accurate and clear Notes made in pencil...

Страница 7: ...6 1 4 When the dosimeter is handed over to another company summary records on operation shall be certified with the seal of the company which transfers the dosimeter...

Страница 8: ...ets the 33 2 22362867 010 2007 technical requirements The dosimeter is intended to be used as a stand alone device or as part of the automated system of personal dosimetry control ASPDC 21 hereinafter...

Страница 9: ...tion in Ukraine under No 1816 07 The dosimeter contains no precious materials Manufacturer Private Enterprise SPPE Sparing Vist Center 33 Volodymyr Velyky Str Lviv 79026 Ukraine tel 38032 242 15 15 fa...

Страница 10: ...igned to measure individual dose equivalent 10 p H of gamma and X ray radiation hereinafter DE and individual dose equivalent rate 10 p H hereinafter DER of gamma and X ray radiation as well as suppor...

Страница 11: ...used at industrial enterprises and companies that deal with gamma sources 3 2 Technical specifications 3 2 1 DER measurement range varies from 0 1 Sv h to 1 0 Sv h 3 2 2 DER indication range of varie...

Страница 12: ...0 95 confidence probability is 20 in the DER range of 1 0 to 10 Sv h 15 in the DER range of 10 Sv h to 1 0 Sv h 3 2 4 DE measurement range varies from 0 001 to 9999 mSv 3 2 5 Main relative permissibl...

Страница 13: ...temperature change from 20 to 50 0 is 5 per each 10 0 of deviation from 20 0 3 2 7 Energy range of registered gamma and X ray radiation is from 0 05 to 6 00 MeV 3 2 8 Energy dependence of DER and DE m...

Страница 14: ...direction perpendicular to the back panel of the dosimeter that is marked with the symbol not more than 25 for 137 Cs and 60 Co radionuclides 85 for 241 Am radionuclide 3 2 10 Time of operating mode...

Страница 15: ...ime of continuous operation of the dosimeter which is charged from a new battery under normal radiation background is at least 4000 hours 3 2 12 Unstable readings during an 8 hour continuous operation...

Страница 16: ...al radiation background is not more than 0 4 mA 3 2 15 Complementary relative permissible error limit of measurements caused by supply voltage deviation from the nominal voltage value ranging from 3 2...

Страница 17: ...l impacts temperature from 20 to 50 0 relative humidity up to 95 3 at 35 0 temperature atmospheric pressure from 84 to 106 7 kPa 3 2 19 Regarding the resistance and strength against external impacts t...

Страница 18: ...esistant to the influence of atmospheric precipitation rain 3 2 21 The dosimeter is resistant to the influence of condensed atmospheric precipitation 3 2 22 The dosimeter has Clock and Alarm clock ope...

Страница 19: ...after the PC and in manual mode with the help of control buttons 3 2 25 The dosimeter sends audio and light signals if the preset DER or DE threshold levels are exceeded 3 2 26 DER and DE values as we...

Страница 20: ...reteness of the record change of 1 min in the range of 5 to 255 min with reference to real time 3 2 28 The dosimeter supports transmitting the history record of dose accumulation to the PC via the inf...

Страница 21: ...finished blocking the modes of indication DER DER threshold DE threshold clock and alarm clock change DER threshold DE threshold and correction of clock and alarm clock settings 3 2 30 The LCD can be...

Страница 22: ...ting and its indication power supply range from 2 5 to 2 6 V segments from 1 to 3 start blinking in the right upper corner of the LCD power supply less than 2 4 V four segments together with the indic...

Страница 23: ...3 2 34 The dosimeter has a feature of storage in the non volatile memory and transmission to ASPDC software the signs of DER exceeding the upper limit of the measurement range during its operation 3 2...

Страница 24: ...urs and average service life not less than 10 years Limit tolerance state criterion is deviation of parameters from the values stated in 3 2 3 that cannot be eliminated 3 2 36 3 Average shelf life und...

Страница 25: ...24 3 2 36 4 Average period of failure recovery at the authorized repair center or on the manufacturer premises without time required for shipping and verification after repair is not more than 2 hours...

Страница 26: ...kit of the dosimeter 3 3 1 The delivery kit is presented in Table 3 1 Table 3 1 Delivery kit of the DKG 21 M dosimeter Type Item Quantity 412118 023 02 Personal gamma radiation dosimeter DKG 21 M 1 CR...

Страница 27: ...able 3 1 continued Type Item Quantity 412118 023 02 Operating manual 1 412915 018 Packaging 1 Screwdriver 1 468353 014 USB IrDA adapter Delivered in separate order CD Software Delivered in separate or...

Страница 28: ...with a printed circuit board equipped with a circuit of anode voltage formation digital processing control and indication an infrared port of data exchange and a battery The detector of gamma and X ra...

Страница 29: ...ndication supports scaling and linearization of the counting response of the detector measurement of DER by measuring the average pulse frequency of the detector output measurement of DE by measuring...

Страница 30: ...modes of the dosimeter indication of measurement results Power for operation is supplied by a disk type lithium battery of CR 2450 Panasonic 3 4 2 Design description The dosimeter is designed as a fla...

Страница 31: ...s well as the optical system of the infrared port 5 are placed behind the windows Three acoustic holes 6 of the loudspeaker alongside the THRESHOLD 7 and MODE 8 control buttons are located in the midd...

Страница 32: ...4 3 Operation of the dosimeter 3 4 3 1 The dosimeter consists of the battery B the control buttons MODE and THRESHOLD the circuit of digital processing and control DPC the anode voltage former for the...

Страница 33: ...d levels of audio alarm The DPC is implemented on the basis of special processor and is used for control of the operating modes of the dosimeter control of the anode voltage former digital processing...

Страница 34: ...ode voltage 400V required to operate the detector The DCC is implemented on the basis of a number of switching and regulating elements and serves to regulate the dead time of the detector The NVM is i...

Страница 35: ...ensated gas discharge Geiger Muller counter of SBM 21 type is used as the ionizing radiation detectors IRD It is intended to detect gamma and X ray radiation the parameters of which are measured by th...

Страница 36: ...f real time counting by the processor By briefly pressing the MODE button the processor switches to the active state and outputs the control signals for AVF which starts generating 400 V voltage for S...

Страница 37: ...processor normalizes the duration dead time with high precision each time the counter is initiated which allows taking it into account in the applied algorithm of the pulse flow processing for lineari...

Страница 38: ...ssing the THRESHOLD button in the corresponding measurement mode the processor switches to the programming mode of threshold levels values sound of light and audio alarm triggering or correction of cl...

Страница 39: ...03 3 5 2 The front panel of the dosimeter is inscribed with the full name of the dosimeter trademark of the manufacturer a sign of a legally regulated Measurement Instrument in accordance with the Te...

Страница 40: ...ingress protection rating of the housing IP54 according to DSTU EN 60529 2018 mechanical center of the detector with symbol year of manufacture 3 5 4 Labeling quality complies with Design Documentatio...

Страница 41: ...l film seal covering the screw heads which fasten together the upper and the lower panels or a paste seal in the hollow above the head of the fastening screw 3 5 6 The container has the following insc...

Страница 42: ...ymbols name of the shipper and point of origin Information symbols gross and net weight in kg Handling marks No 1 Fragile handle with care No 3 Keep dry No 11 Top 3 5 7 Shipping container with the pac...

Страница 43: ...accordance with the Design Documentation 412118 023 03 3 6 2 The dosimeter is packed in a special cardboard box which together with the operating manual in its turn is placed in a transparent polyeth...

Страница 44: ...re presented in Table 4 1 ble 4 1 Operating limitations Name of operating limitations Parameters of operating limitations 1 Ambient air temperature From 20 to 50 2 Relative humidity Up to 95 3 at 35 t...

Страница 45: ...f external examination 4 2 1 1 Before using the dosimeter unpack it and check if the delivery kit is complete Examine for mechanical damages 4 2 2 Rules and order of examination for operational readin...

Страница 46: ...tery Clean it if possible or replace if not Insert the battery and close the battery compartment 4 2 2 3 Please replace the battery if there are signs of the low battery on the LCD three to four blink...

Страница 47: ...al Note Before installing a new battery press and hold down the MODE button for at least 2 seconds 4 2 3 Guidelines on switching on and testing the dosimeter 4 2 3 1 Prepare the dosimeter for operatio...

Страница 48: ...d the loudspeaker for 2 s During the self test all segments of the LCD are highlighted and a single tone beep is formed If some LCD segments are not highlighted it indicates its failure A malfunction...

Страница 49: ...entered the mode of DE indication DE units of measurement expressed in mSv should appear on the LCD 4 2 3 3 Press shortly the MODE button and make sure the dosimeter has entered the mode of real time...

Страница 50: ...he LCD After setting the alarm clock 4 3 3 7 press shortly the MODE button to switch it on which should be indicated by a symbol on the LCD 4 2 3 5 Hold the MODE button pressed for 4 s to switch the d...

Страница 51: ...roubles and troubleshooting Trouble Probable cause Troubleshooting 1 The dosimeter does not switch on at pressing the MODE button 1 The battery is discharged 2 Poor contact between the battery and the...

Страница 52: ...ed Trouble Probable cause Troubleshooting 2 The Err symbol is displayed on the LCD after the battery has been replaced Failure of the nonvolatile memory of the dosimeter Send the dosimeter for repair...

Страница 53: ...tion of the dosimeter Failure of the anode voltage former or the ionizing radiation detector Send the dosimeter for repair to the manufacturer 4 2 4 2 At failure to eliminate the troubles presented in...

Страница 54: ...quirements in accordance with DSTU EN 61010 1 2014 4 3 1 2 The dosimeter contains electric circuits of voltage up to 400 V demount the dosimeter when the power supply is switched off 4 3 1 3 The dosim...

Страница 55: ...on rating is 54 according to DSTU EN 60529 2018 4 3 1 6 All works with the dosimeters should be performed in compliance with the requirements of valid rules and standards 4 3 1 7 Disposal of the dosim...

Страница 56: ...s and it is impossible to completely deactivate the device the dosimeter should be buried as solid radioactive waste 4 3 2 Operating modes of the dosimeter 4 3 2 1 The dosimeter operates in the follow...

Страница 57: ...to be measured programming of audio and light alarm threshold levels of DE indication and correction of real time indication and correction of the alarm clock settings switching the alarm clock on of...

Страница 58: ...o switch the dosimeter on When switched on the dosimeter is testing the LCD and the loudspeaker for 2 s All LCD segments are highlighted and a one tone sound signal is generated If some LCD segments a...

Страница 59: ...ghted Sv h units of measurement At the same time the infrared port of the dosimeter is activated for 15 s While the infrared port is active you can perform the procedure of data exchange with the PC p...

Страница 60: ...t is active As soon as data exchange with the PC is finished the dosimeter starts accumulating dose history with the preset interval Otherwise the dosimeter starts operating in the stand alone mode wi...

Страница 61: ...ff If the dosimeter is switched on in the stand alone mode i e no data exchange with the PC is done it will switch off If during switching it on data exchange between the dosimeter and the PC took pla...

Страница 62: ...red from any other operating mode by shortly pressing the MODE button The units of measurement are expressed in Sv h The process of DER measurement accumulation and averaging will start after the dosi...

Страница 63: ...e time of data updating on the LCD falls to minimum 2 s The units of measurement are expressed in Sv h mSv h and Sv h The statistical error of the displayed DER measurement result is indicated by the...

Страница 64: ...issible range The main direction of the dosimeter when DER is measured is the direction perpendicular to the front rear panel of the dosimeter DER measurement result is considered to be the arithmetic...

Страница 65: ...ered radiation Note The process of data averaging can be stopped forcedly for quick evaluation of DER To do this press and hold down the THRESHOLD button until Clr symbols appear on the LCD Release TH...

Страница 66: ...pressed for about 5s to start programming Thelow orderdigitwillstartblinkingontheLCD Set an appropriate value of the low order digit by shortly pressing and releasing the THRESHOLD button Press short...

Страница 67: ...meter will return to the mode of DER measurement The threshold level is stored in the nonvolatile memory of the dosimeter Switching on and off and replacing the dosimeter s battery does not change the...

Страница 68: ...eded Important If the process of the new threshold level programming is paused for more than 30 seconds the user presses no buttons of the dosimeter the dosimeter will automatically return to the mode...

Страница 69: ...ets off the alarm system when the threshold level is exceeded 4 3 3 4 Indication of DE measurement Press shortly the MODE button to enter the mode of DE measurement indication from any other operating...

Страница 70: ...ow In this case a blinking decimal point in the mode of DE measurement indication may indicate to a possible incorrectness of DE value 4 3 3 5 Programming of audio and light DE alarm threshold levels...

Страница 71: ...he MODE button to proceed to programming of another digit the latter will start blinking in its turn The necessary value of the digit is set with short pressing and releasing the THRESHOLD button Afte...

Страница 72: ...change the threshold level Press and hold the THRESHOLD button down for maximum 4 s after the threshold level value appears to check the value of the fixed DE threshold level Hold the THRESHOLD butto...

Страница 73: ...rm the user that the DE threshold level is likely to be quickly reached the dosimeter sends an interrupted audio signal when 90 of the programmed threshold level is achieved Press any button to switch...

Страница 74: ...hreshold level value of 0 000 mSv is set automatically after the dosimeter is produced indicating that the alarm is switched off 4 3 3 6 Setting the measure DE value to zero Setting DE measured value...

Страница 75: ...set The CLr symbols will blink three times and the dosimeter will return to the mode of DE measurement indication as a confirmation of reset To cancel reset press shortly the THRESHOLD button or do no...

Страница 76: ...r operating mode This mode follows the mode of indication of DE measurement It is indicated by a one second blinking symbol between the two pairs of the LCD digits The digits from the right to the lef...

Страница 77: ...further pressing and holding down the THRESHOLD button The minutes can also be corrected by short pressing of the THRESHOLD button Each pressing will change the value per unit Press shortly the MODE b...

Страница 78: ...turn to the mode of real time indication All changes made will be canceled 4 3 3 8 Indication and correction of alarm clock settings Press shortly the MODE button to enter this mode from any other ope...

Страница 79: ...oper values of units and tens of minutes by further pressing and holding the THRESHOLD button The minutes can also be corrected by short pressing of the THRESHOLD button The value will change per unit...

Страница 80: ...HOLD button make the non blinking sound symbol appear on the LCD to switch the alarm clock on Press shortly the THRESHOLD button to switch the alarm clock off The sound symbol should extinct Fix the a...

Страница 81: ...tomatically return to the mode of indication and correction of alarm clock settings All changes made will be canceled Note The alarm clock will continue working even after the power supply of the dosi...

Страница 82: ...the alarm clock rings 4 3 3 10 Battery status control The mode of battery status control is turned on automatically at switching on the dosimeter It is indicated by the four segment battery symbol di...

Страница 83: ...e replaced with a new one 4 3 3 10 Operability check of the detector The mode of detector s operability check is switched on as soon as the dosimeter is on If the detector fails the Err1 symbol is dis...

Страница 84: ...l maintenance of the dosimeter 5 1 1 General instructions The list of operations performed during technical maintenance hereinafter called TM of the dosimeter the order and the peculiarities of operat...

Страница 85: ...term storage everyday use periodical use annually External examination Delivery kit completeness check Operability check Power supply disconnection Verification of the dosimeter 5 1 3 1 5 1 3 2 5 1 3...

Страница 86: ...e procedure of the dosimeter 5 1 3 1 External examination External examination of the dosimeter should be performed in the following order check the technical condition of surface inspect for integrit...

Страница 87: ...rability check of the dosimeter Operability check of the dosimeter is performed according to item 4 2 3 of the present OM 5 1 3 3 2 Procedure for pre repair fault detection and rejection The need to t...

Страница 88: ...at do not affect the correct readings of measurement results c the lack of sound and light alarm for major repair a disability of measurement channel b defects of the LCD that affect the correct readi...

Страница 89: ...ch the dosimeter off open the lid of the battery compartment remove the battery examine the battery compartment check the contact clamps accuracy clean the battery compartment from contamination and c...

Страница 90: ...ystem and are handed over for verification must be unlocked as regards the prohibition of access to all their modes of operation indication of individual dose equivalent individual dose equivalent rat...

Страница 91: ...n technique No External examination 5 2 7 1 Testing 5 2 7 2 Calculation of main relative permissible error limit of DER measurement in the DER range of 1 0 Sv h to 1 0 Sv h 5 2 7 3 5 2 7 4 Calculation...

Страница 92: ...rification facilities Name Regulatory Document or Main Technical Specifications 3 testing equipment DER range from 0 01 Sv h to 1 Sv h Energy range from 59 KeV to 1 25 MeV Main relative permissible er...

Страница 93: ...30 15 cm PMMA walls polymethylmethacrylate front wall thickness 2 5 mm other walls thickness 10 mm phantom is filled with distilled water Control aneroid barometer M 67 62 832 003 Pressure measuremen...

Страница 94: ...cal Specifications Aspiration psychrometer 4 82 844 000 Temperature measurement range from 30 C to 50 C Temperature measurement error is 0 1 C Relative humidity measurement range from 10 to 100 Relati...

Страница 95: ...tch Measurement range from 1 s to 59 min Notes 1 Measurement equipment shall be applied according to the law in the field of metrology and metrological activity 2 Use of other measuring instruments to...

Страница 96: ...ication conditions Verification should be performed under the following conditions ambient air temperature range within 20 5 C relative air humidity from 30 to 80 atmospheric pressure from 86 kPa to 1...

Страница 97: ...external examination the dosimeter should meet the following requirements the delivery kit should be completed as stated in Table 3 1 labeling should be accurate QCD seals should not be violated the d...

Страница 98: ...e delivery kit is not completed as stated in Table 3 1 verification should be stopped until the delivery kit is complete 5 2 7 1 1 4 If labeling and sealing requirements are not satisfied and the dosi...

Страница 99: ...Even if a single operation stated in 4 2 3 cannot be performed the dosimeter should not be verified and should be sent for repair 5 2 7 3 DER and DE measurements should be performed on the phantom wi...

Страница 100: ...ected to gamma source The indicator of the dosimeter should be directed towards gamma source 5 2 7 4 Calculation of main relative permissible error limit of DER measurement is performed as follows 5 2...

Страница 101: ...iage so that the mechanical center of the 3 collimator coincides with the mechanical center of the detector Take five measurements of background DER 10 H in 3 with 10 s interval in thirty minutes afte...

Страница 102: ...arriage together with the phantom and the dosimeter in the position where DER from the source with 137 Cs radionuclide is 10 0 p H 8 1 Sv h Take five measurements of DER with 10 s interval in eight mi...

Страница 103: ...f the 3 by the formula 10 10 10 p p p H H H 5 2 Note The distance between the mechanical center of the source and the mechanical center of the dosimeter s detector is considered to be the distance bet...

Страница 104: ...ive permissible error limit of DER measurement in percentage following the procedure according to recommendations of DSTU GOST 8 207 2008 5 2 7 4 5 Perform operations 5 2 7 4 3 5 2 7 4 4 for DER 10 0...

Страница 105: ...ue of all received errors is the limit of main relative permissible error of DER measurement 5 2 7 4 8 If the main relative permissible error limit of DER measurement at 0 95 confidence probability do...

Страница 106: ...measurement does not meet the requirements stated in 5 2 7 4 8 the dosimeter cannot be verified and should be sent for repair 5 2 7 5 Calculation of the main relative permissible error limit of DE mea...

Страница 107: ...s stated in 5 2 7 3 in the 3 carriage so that the mechanical center of the 3 collimator coincides with the mechanical center of the dosimeter s detector 5 2 7 5 3 Prepare the dosimeter for DE measurem...

Страница 108: ...4 In the period of time according to the stop watch expressed in seconds and calculated by the formula t 3600 t where t is the period of time expressed in seconds used to place the source into the co...

Страница 109: ...DE measurement in percentage by the formula 2 0 2 0 0 2 10 10 10 10 1 1 10 p p p p p H H H H H 5 3 where t H H p p 10 10 0 0 DE of 3 equipment 2 2 0 0 10 10 t H H p p main relative permissible error l...

Страница 110: ...permissible error limit of DE exposure time measurement that should not exceed 5 t permissible error limit of the stop watch t 1 error caused by response of a user t 1 error caused by the process of p...

Страница 111: ...relative permissible error limit of DE measurement at 0 95 confidence probability does not exceed 15 5 2 7 5 7 If the limit of main relative permissible error of DE measurement does not meet the requi...

Страница 112: ...ication and verification after repair are registered in the Table of Appendix F or by issuing a certificate of verification of legally regulated measuring equipment 5 2 7 6 2 If the dosimeter is recog...

Страница 113: ...e from mechanical damage in dry ventilated and clean storehouses at the ambient temperature from 5 to 40 C and relative humidity up to 80 at 25 C temperature The storehouse should be free of dust vapo...

Страница 114: ...eters may be shipped in any kind of closed vehicles in compliance with conditions 4 2 GOST 15150 69 ambient air temperature from 30 to 50 C relative humidity up to 100 at 35 C when the following rules...

Страница 115: ...7 3 The dosimeters in shipping container should be placed and fixed in the vehicle to ensure their stable position throughout the way without displacement and to avoid shocks 7 4 Observe the inscript...

Страница 116: ...he influence of atmospheric precipitations during loading unloading 7 6 The dosimeters may be delivered by parcel post in conformance with the rules established by the Ministry of Infrastructure of Uk...

Страница 117: ...nvironmental Protection and On Waste i e metals are recycled or melted and plastic parts are dumped Note If the dosimeter is soiled by liquids or dry radionuclides and it is impossible to completely d...

Страница 118: ...erves the guidelines for its use shipping and storage conditions presented in the 412118 023 02 operating manual 9 2 The warranty period of the dosimeter use shall terminate and be of no further effec...

Страница 119: ...is invalid in case of use shipping and storage violations any mechanical damages or if the warranty seals are violated In this case the repair is performed at the user s expense 9 6 After the warranty...

Страница 120: ...ype with ___________________ serial number is packed by the Private Enterprise SPPE Sparing Vist Center in accordance with the requirements specified in 33 2 22362867 010 2007 ________________________...

Страница 121: ...gamma radiation dosimeter of 412118 023 02 type with __________serial number is manufactured to meet the technical requirements specified in 33 2 22362867 010 2007 and is accepted for use QCD head ___...

Страница 122: ...121 12 PERFORMANCE RECORDS OF THE DOSIMETER 12 1 Performance records of the dosimeter are provided in Table 12 1 Table 12 1 Date Purpo se Period Duration Who operated Signatu re Note Start End...

Страница 123: ...In case of failure or troubles during the warranty period of the dosimeter the user should draw up a statement of claim and send the dosimeter to the producer enterprise 13 2 All claims are registered...

Страница 124: ...123 Table 13 1 Date of failure Claim summary Action taken Note...

Страница 125: ...repair type _____________________made by the manufacturer PE SPPE Sparing Vist Center is accepted in accordance with the requirements specified in 33 2 22362867 010 2007 and acknowledged fit for use...

Страница 126: ...e dosimeter to the technical requirements specified in 33 2 22362867 010 2007 provided that the customer observes the requirements of the operating manual QCD head ______________________ signature pri...

Страница 127: ...PENDIX Figure 1 Anisotropy of DKG 21 M dosimeter vertical plane 100 80 60 40 20 0 Cs 137 Co 60 Am 241 c 1 9 0 0 15 0 0 18 0 0 00 27 0 0 3 0 0 12 0 0 36 0 0 6 0 0 33 0 0 30 0 0 24 0 0 21 0 0 241 Cs 137...

Страница 128: ...127 Figure 2 Anisotropy of DKG 21 M dosimeter horizontal plane 100 80 60 40 20 0 Cs 137 o 60 Am 241 c 1 90 0 150 0 1800 0 0 270 0 30 0 120 0 360 0 60 0 3300 3000 240 0 210 0 241 Cs 137 Co 60...

Страница 129: ...128 APPENDIX B Figure B Appearance of the dosimeter...

Страница 130: ...EMOVAL FROM STORAGE Date of putting in prolonged storage Met hod Date of removal from storage Name of the enterprise in charge of putting the unit in prolonged storage or removing from storage Date po...

Страница 131: ...130 APPENDIX D STORAGE Date Storage conditions Position name and signature of the responsible official of placing in storage of removing from storage...

Страница 132: ...d time of trouble Operating mode Type external manifestation of trouble Cause of trouble number of operation hours of the failed element Action taken and claim note Position name and signature of the...

Страница 133: ...cation Date of measurement Name Value accordingto specification year 20 Actual value Measured by position signature 1 Main relative error limit of DER measurement with confidence probabilityof0 95 in...

Страница 134: ...133 APPENDIX F F 1 Date of measurement year 20 year 20 year 20 Actual value Measured by position signature Actual value Measured by position signature Actual value Measured by position signature...

Страница 135: ...Y SPECIFICATIONS Verified specification Date of measurement Name Value according to specifi cation year 20 Actual value Measured by position signature 2 Main relative error limit of DE measurement wit...

Страница 136: ...135 APPENDIX F F 2 Date of measurement year 20 year 20 year 20 Actual value Measured by position signature Actual value Measured by position signature Actual value Measured by position signature...

Страница 137: ...136 APPENDIX G REPAIR Name and type of the component part Reason for repair Date Name of the repair organization of arriving for repair of completi on of repair...

Страница 138: ...ENDIX G REPAIR Number of hours worked before repair Type of repair midlife major etc Name of repair works Position name and signature of the responsible person who performed repair who accepted after...

Страница 139: ...138 APPENDIX H VERIFICATION AND INSPECTION RESULTS Date Verification or inspection type Verification or inspection result Position name and signature of the verification officer Note...

Страница 140: ...ABBREVIAITONS ASPDC automated system of personal dosimetry control LS loudspeaker IRD ionizing radiation detector DER individual dose equivalent rate PC personal computer SW software DCC detector cont...

Страница 141: ...140 IrPC infrared port circuit DPC digital processing and control circuit AVF anode voltage former LCD digital liquid crystal display DE individual dose equivalent NVM nonvolatile memory B battery...

Страница 142: ...141...

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