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Capintec CRC-25R, Owner'S Manual

The Capintec CRC-25R Owner's Manual is available for free download at manualshive.com. This comprehensive manual provides detailed instructions and information on operating the CRC-25R product. Accessible in digital format, this manual ensures users have all the necessary guidance to optimize their experience with this advanced device.

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CAPINTEC, INC 

CRC

®

-25R 

 

Multiplication factors for Zn62 Activity Measurements: 

Use a Calibration Number of 217 and a multiplication factor as indicated in the following table 
to obtain Zn62 activity at time “t” minutes after an initially pure source of Zn62 is obtained. 
 

Zn62 

t 

[minutes] 

Multiplication 

Factor 

t 

[minutes] 

Multiplication 

Factor 

0 1.000 45 0.368 

10 0.526 60 0.361 
20 0.425 75 0.359 
30 0.389 90 0.358 

 
 
 

Multiplication factors for Y87 Activity Measurements: 

Use a Calibration Number of 170 and a multiplication factor as indicated in the following table 
to obtain Y87 activity at time “t” hours after an initially pure source of Y87 is obtained. 
 

Y87 

t 

[hours] 

Multiplication 

Factor 

t 

[hours] 

Multiplication 

Factor 

0 1.000 5 0.664 

0.25 0.960  6  0.644 
0.50 0.926  8  0.618 
0.75 0.893  10  0.602 
1.00 0.866  12  0.593 

1.5 0.820  18  0.582 
2.0 0.784  24  0.580 
3.0 0.729  48  0.579 
4.0 0.691 

∞

 

0.579 

 

July 07 

APPENDIX III 

A3 - 3 

Summary of Contents for CRC-25R

Page 1: ... Support 6 Arrow Road Ramsey NJ 07446 Phone 800 ASK 4CRC Fax 201 825 1336 Capintec Inc Only Authorized Service Center 620 Alpha Drive Pittsburgh PA 15238 Phone 800 227 6832 Fax 412 963 0610 Copyright 2006 Capintec Inc CRC is a registered trademark of Capintec Inc ALL RIGHTS RESERVED An Eczacɩbaşɩ Monrol company ...

Page 2: ......

Page 3: ...s 2 3 Test Programs 2 3 TECHNICAL DESCRIPTION 2 4 On Off Switch 2 4 Warm Up Period 2 4 Environment Requirements 2 4 Operational 2 4 Storage 2 4 Power Requirements 2 5 Line Voltage 2 5 Line Filter 2 5 Ground Current 2 5 Power Connector and Cable 2 5 Dimensions 2 6 Console 2 6 Chamber 2 6 Cables 2 6 Performance 2 6 Regulatory Listings 2 7 EMC 2 7 Electrical 2 7 ETL Listed 2 7 GENERAL OPERATING INSTR...

Page 4: ... EXAMINATION 4 1 UNPACKING AND INSTALLATION 4 1 ASSEMBLY 4 2 Liners Dippers Optional Dipper and Holders 4 4 ENVIRONMENT REQUIREMENTS 4 5 POWER REQUIREMENTS 4 5 Readout 4 5 Printers optional 4 5 TURN ON PROCEDURES 4 6 GENERAL OPERATIONAL SETUP 4 6 ACCEPTANCE TESTING 4 8 Chamber Tests 4 8 Diagnostics Test 4 8 Daily Test 4 8 Accuracy Test 4 8 OPERATIONAL SUMMARY 4 8 SYSTEM INITIALIZATION 5 1 GENERAL ...

Page 5: ...electing Moly Assay Method 6 11 Moly Assay Limit 6 13 ADDING A NUCLIDE 6 14 Entering Nuclide Name 6 14 Entering Half Life 6 15 Entering Calibration Numbers 6 16 Determining Calibration Numbers 6 16 DELETING A NUCLIDE 6 17 CALIBRATION NUMBERS 6 18 Entering New Calibration Numbers 6 19 Changing Calibration Numbers 6 21 Restoring Original Calibration Numbers 6 22 LINEARITY TEST DEFINITION 6 23 Settin...

Page 6: ...NOSTICS 9 1 GENERAL 9 1 MEASUREMENT PROCEDURES 10 1 GENERAL 10 1 MEASUREMENT PROCEDURES 10 2 General Activity Measurement Procedure 10 2 Optimizing Low Activity Measurements 10 2 Specifying Nuclide 10 2 Pre Set Nuclide key 10 2 User Key 10 3 NUCL Key 10 3 Entering Calibration Number 10 4 SOURCES Key 10 5 Selecting Resolution 10 5 ACTIVITY AT A DIFFERENT TIME 10 6 USER ID 10 8 PRINTING A RECORD OF ...

Page 7: ...heck Test 11 12 QUALITY CONTROL QC 11 14 Single Strip Test 11 15 Two Strips Test 11 16 HMPAO Test 11 19 MAG3 Test 11 22 INVENTORY 12 1 GENERAL 12 1 INVENTORY MENU 12 1 ADDING TO THE INVENTORY 12 2 Input Activity 12 4 Measuring Activity 12 6 Mo Tc Ratio 12 6 MAKING A KIT 12 7 WITHDRAWING FROM INVENTORY 12 10 PRINTING THE INVENTORY 12 12 DELETING FROM INVENTORY 12 13 Deleting Individual Items from t...

Page 8: ...uzzer buzzes continuously 15 12 High background indication 15 12 Zero activity is indicated with a source in the well 15 13 Readings appear overly noisy for low activities 15 13 Indication of significant negative activity 15 13 The time is reset to 00 00 15 13 Printer prints junk or prints with incorrect spacing 15 13 Print head hangs up when printing tickets 15 13 Printer will not respond 15 13 A...

Page 9: ...this manual to CAPINTEC Inc 620 Alpha Drive Pittsburgh PA 15238 Phone 412 963 1988 Fax 412 963 0610 CRC 25R and CII are registered trademarks of Capintec Inc Note Federal Law restricts this device to sale by or on the order of a physician pharmacist or other licensed professional SYSTEM DESCRIPTION The CRC 25R Radioisotope Dose Calibrator consists of the following Display Unit Readout Chamber Powe...

Page 10: ...e in an OXYGEN or a FLAMMABLE ENVIRONMENT ELECTROMAGNETIC INTERFERENCE POTENTIAL This equipment complies fully with interference immunity requirements of the standard IEC 61326 Electrical equipment for measurement control and laboratory use EMC requirements This equipment generates radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interferen...

Page 11: ... basic precautions that must be observed to avoid injuring yourself the patient or damaging the equipment Follow the unpacking and assembly instructions document and read this manual carefully before using this equipment Be sure to save all provided documents for future reference Understand all warning and caution labels as explained in CHAPTER 1 SAFETY before operating this equipment February 15 ...

Page 12: ...CAPINTEC INC CRC 25R This page intentionally left blank ...

Page 13: ...Fuse Low Battery Indicates that the internal Lithium Battery has depleted AC Voltage ON power OFF power Date of manufacture CE Mark Waste in Electrical and Electronic Equipment WEEE This symbol indicates that the waste of electrical and electronic equipment must not be disposed as unsorted municipal waste and must be collected separately Environmentally Friendly Use Period EFUP 20 years from the d...

Page 14: ... exist if the wrong size of fuse is installed Figure 1 1 Located on the bottom of the Chamber are 2 labels The first label Figure 1 2 contains statements denoting not to remove the cover because there are no adjustments that the user can perform in the Chamber Figure 1 2 The second label Figure 1 3 pertains to the electrical safety of the Chamber It is necessary because of the high voltage present...

Page 15: ...our own in house calibration All Brachytherapy sources used in IVBT applications must be calibrated in an ADCL facility CAUTION In order to obtain a correct reading for any Brachytherapy sources including HDR LDR use the appropriate source holder for the source type being measured to achieve the correct geometry e g I125 Seed Holder Ir192 Ribbon Holder etc When making a measurement use the same so...

Page 16: ... mechanical shock or vibration of any kind CAUTION When working with a heavy sample especially a CapMac or Moly Assay Canister always lower it gently into the Chamber Dropping any heavy object into the Chamber can cause permanent expensive damage CAUTION The use of multiplication and division factors in Calibration Numbers is only to maintain a degree of consistency with other Capintec Dose Calibr...

Page 17: ...the CRC 25R may become susceptible to EMI CAUTION The unit contains lead Appropriate caution should be taken if the interior of the unit is exposed The unit should be disposed of in accordance with local and national regulations CAUTION The unit contains a Lithium Battery This should be disposed of in accordance with local and national regulations CAUTION The user should always verify the validity...

Page 18: ...5R Calibrator The CRC 25R power cord has a grounded 3 prong plug as a safety feature and it will only fit into a grounded outlet Do not use an adapter to defeat the grounding To avoid damaging the power cord do not place anything on it or place it where it will be stepped on If the cord becomes damaged replace it immediately Aside from the routine maintenance described in this manual do not try to...

Page 19: ...urance procedures Linearity Constancy Accuracy etc OPERATOR PROFILE The operator profile for the Nuclear Medicine Technologists Physicians and Health physicists is as follows Education o Minimum at least an Associate Degree o No maximum Knowledge o Minimum Understands the basic concepts of nuclear medicine o No maximum Language Understanding o English o Other languages are available for instructio...

Page 20: ...PENDIX I PRINCIPLE OF THE CALIBRATOR Most radioisotopes can be measured in the Chamber Eight preset nuclide keys are provided for the most often used radioisotopes Five user assignable nuclide keys are provided for commonly used radioisotopes that do not have a preset nuclide key Assays may be made reliably in the Chamber from as low as 1 microcurie 0 1 megabequerel for most radioisotopes to as hi...

Page 21: ...Enter Mo Tc limit 2 Calculations 3 Diagnostics 4 Setup 1 Time 2 Ci Bq 3 Printing 4 Other 5 Screen 1B Ci Bq Conv 2 Decay Calc 1 Daily 2 Chamber Volts 3 Accuracy 4 Enhanced 5 Moly Assay Calculate activity at another date time 1 Screen Saver 2 Contrast Enter Password last 3 digits of Serial Number 1 Inventory 1B Add 2B MMke KiP 3B WiPOdrMR 4B PrinP DB DelePe Add items to inventory Make a kit from pla...

Page 22: ...the temperature is stable within a range of 50 F to 85 F 10 C to 30 C and the maximum relative humidity is 90 non condensing to warrant maximum reliability and accuracy The instrument should be located where the barometric pressure is within a range of 27 31 inches of mercury 91 105 kilopascals Storage The instrument should be stored where the temperature is stable and the range is from 39 F to 11...

Page 23: ...put 100 240Vac 50 60Hz 1 2A Output 24Vdc 0 8A Epson TM U220D Roll Printer optional Input 100 240Vac 50 60Hz 1 0A max Output 24Vdc 1 5A HP DeskJet 6000 8000 Series Inkjet or equivalent Printer optional 100 240Vac 50 60Hz 1 5A Epson Stylus C86 Inkjet or equivalent Printer optional 100 240Vac 50 60Hz 0 4A Line Filter Line filter is provided internally Use of a filtered line is recommended if excessiv...

Page 24: ...Co60 37 4 GBq 1 00 Ci Maximum Activity Co57 206 GBq 5 57 Ci Resolution 0 001 MBq 01 µCi Electrometer Accuracy3 better than 2 System Precision better than 0 1 of FSD System Linearity within 2 Response Time Below 20µCi within 25 seconds Above 20µCi within 4 seconds 1 Longer cables are available Consult factory 2 Optional 3 Overall accuracy is determined by the calibration for the specific nuclide an...

Page 25: ...rements ETL Listed CAN CSA C22 2 No 61010 1 2004 2nd Edition Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements CAN CSA C22 2 No 61010 2 101 04 1st Edition Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Particular requirements for in vitro diagnostic IVD medical equipment ANSI UL 61010 1 2004 ...

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Page 27: ...ATING INSTRUCTIONS GENERAL This section describes general operating procedures the keyboard how to enter data and make menu selections KEYBOARD Layout CRC 25R keyboard is shown below Figure 3 1 Keyboard July 07 GENERAL OPERATING INSTRUCTIONS 3 1 ...

Page 28: ...y Pressing this key allows the user to select any nuclide in memory including nuclides added by the user The nuclide is chosen using the number letter keys CAL Key CAL Pressing this key in allows the user to input a Calibration Number to be used for the current measurement TIME Key After pressing this key a time and date is input The activity at the input time of the source being measured is displ...

Page 29: ...for Ci Bq CE Key This is the Clear Entry key and is used to erase the last character when entering data ENTER PRINT Key ENTER This key is used to accept entered data PRINT This key is used to print a record of the measurement NUMBER LETTER Alphanumeric Keys The keys with Numbers and Letters on them are used to enter data The decimal point is the UP ARROW Ñ key The DOWN ARROW Ô key is the SPC Space...

Page 30: ... one of the letters on the same key e g press the 2 key 3 times to get the letter B To go to the next character press another key If the next character is on the same key press the UP ARROW Ñ to repeat use of that key The DOWN ARROW Ô is the SPACE SPC key When entering a name for an additional nuclide the entries are constrained to conform to legitimate nuclide names MAKING MENU SELECTIONS All men...

Page 31: ... The instrument is packed and shipped as a complete unit All the accessories are contained in the cartons If an optional printer is included it will be in a separate carton The instrument is shipped in a plastic bag in order to provide a dry and clean environment during shipment CAUTION Be sure the instrument has reached room temperature prior to opening the bag Leave the box in the room 24 hours ...

Page 32: ...Sources are ordered they will be shipped separately 3 Be sure to remove all tape and protective material from the instrument prior to connecting to the power line ASSEMBLY Figure 4 1 1 Verify that all power switches Readout and Printer are in the OFF or 0 position Note If using the Slip Ticket printer please unplug from AC Power 2 Connect the Chamber Cable to the connector at the rear of the CRC 2...

Page 33: ...e other end has a 25 pin D connector to the connector at the rear of the CRC 25R Readout marked PRINTER Attach the other end to the printer Note To avoid damage do not over tighten the screws on the Cable connectors The screws should be finger tightened only Note Do not attach the printer cable to the RS232 connector If the optional printer is a USB version attach the printer cable to the connecto...

Page 34: ...00 2004 and Dipper 7300 2005 are only to be used for the measurement of Test sources Standard Sources For all other source measurements use the appropriate source holder for the source type being measured in order to obtain a correct reading If additional information is needed contact Capintec Inc for further assistance 4 4 SYSTEM SETUP March 15 ...

Page 35: ...isplay erroneous readings POWER REQUIREMENTS CAUTION If the input voltage to the following items is not within the stated limits the unit may not function correctly or may be damaged Readout 100 240Vac 50 60Hz 245mA Printers optional Okidata Microline 320 optional 120Vac 60Hz 0 9A or 230 240Vac 50 60Hz 0 5A Epson LX 300 II printer optional 99 132Vac 50 60Hz 0 6A maximum 1 4A depending on the chara...

Page 36: ...2006 ALL RIGHTS RESERVED CAPINTEC INC NJ USA ENTER to Continue Figure 4 5 Note The screen will display the revision level of the installed software GENERAL OPERATIONAL SETUP There are several things that must be done before using the CRC 25R Radioisotope Dose Calibrator for the first time The following briefly describes these steps Verify or set the date time Although the date and time are set in ...

Page 37: ...s The USER Keys U1 U2 U3 U4 U5 are a quick way to select a nuclide A nuclide may be assigned to each key Reference CHAPTER 6 CHAMBER INITIALIZATION SECTION USER KEY ASSIGNMENT Adding a Nuclide The CRC 25R contains nuclide data name half life calibration number for over 80 nuclides The user may add up to 10 nuclides the name half life and calibration number will be added for each one Reference CHAP...

Page 38: ... would much rather jump right in If you are one of those people who say if all else fails read the manual then reference Appendix IV These very simplified instructions are intended to assist in getting you familiar with the basic operation of the CRC 25R They are not intended to replace the detailed operating directions in the main body of the manual WARNING The General Operational Setup and Accep...

Page 39: ...1 Inventory 2 Calculations 3 Diagnostics 4 Setup Figure 5 1 Main Menu SETTING DATE AND TIME To view and or change the date and or time select SETUP Figure 5 2 Main Setup Menu will appear SETUP 1 Time 2 Ci Bq 3 Printing 4 Other 5 Screen Figure 5 2 Main Setup Menu Select TIME to view and or change the date and or time Figure 5 3 Date Time Verification Screen will appear showing the current date and ...

Page 40: ...YYY example July 3 2005 would be 07032005 and press ENTER The date is checked for validity If the input date is not valid a beep will sound and DATE ERROR will be displayed The date must be re entered Figure 5 5 Time Entry Screen will appear Enter Time _ hhmm Figure 5 5 Time Entry Screen Input the time as hhmm in 24 hour time format example 1 25 PM would be 1325 9 15 AM would be 0915 and press ENT...

Page 41: ...i Bq switching press MENU from the Measurement Screen Figure 5 1 Main Menu will appear From Figure 5 1 Main Menu select SETUP Figure 5 2 Main Setup Menu will appear From Figure 5 2 Main Setup Menu select CI BQ The current Ci Bq selection will be shown The example below is for the default of Selectable i e the user may select Ci or Bq Ci Bq SELECTABLE OK Y or N Figure 5 6 Ci Bq Verification Screen ...

Page 42: ...the same general area as the CRC 25R The CRC 25R may be used with the following printers RS 232 printers o Okidata Microline 320 o Epson LX 300 II o Epson TM 295II Slip printer o Epson TM U220D Roll printer USB printers o HP DeskJet 6000 8000 Series Inkjet or equivalent printer o Epson Stylus C86 Inkjet or equivalent printer Printer Power Requirements Okidata Microline 320 printer optional 120Vac ...

Page 43: ...m Figure 5 1 Main Menu select SETUP Figure 5 2 Main Setup Menu will appear From Figure 5 2 Main Setup Menu select PRINTING The currently selected printer will be displayed In the example below OKIDATA ONE LINE is used PRINTER IS OKI ONE LINE OK Y or N Figure 5 8 Selected Printer Type Note If the Okidata Microline 320 or the Epson LX 300 II is used the calibration measurement can be printed on a ti...

Page 44: ...ter For this example the printer being used is an Okidata Microline 320 Select OKI Figure 5 11 Printout Selection will appear MEASURMENT ON 1 TICKET 2 ONE LINE Figure 5 11 Printout Selection The Okidata Microline 320 can print measurements on a ticket or on regular paper If the printing will be done on tickets select TICKET If printing will not be done on tickets select ONE LINE For this example t...

Page 45: ... the Turbo OKIDATA 320 Printer Setup Data If any differences are found they must be corrected The buttons referred to are all located on the front panel of the printer The Paper Lever is on the right side of the top surface of the printer near the paper roller To print and correct the Setup 1 Make sure that the form paper is properly loaded in the printer 2 Press the SEL button to take printer off...

Page 46: ...M button until Baud Rate is printed C Press the SET button until 4800 BPS is printed 9 If any differences remain return to step 6 for the next group 10 Press the SHIFT MENU SEL buttons to return to SEL on line Note The Setup printout shown in Figure 5 13 Listing of the Turbo OKIDATA 320 Printer Setup Data is for example only Your printer Setup may differ slightly from that shown Verify that the se...

Page 47: ...1 sec Top Feed Page Length Control by Actual Page Length Set Up Graphics Uni directional Set Up Receive Buffer Size 64K Set Up Paper Out Override No Set Up Print Registration 0 SET SHIFT SET Set Up Operator Panel Functions Full Operation Set Up Reset Inhibit Yes Set Up Print Suppress Effective No Set Up Auto LF No Set Up Auto CR No Set Up SI Select Pitch 10CPI 17 1 CPI Set Up SI Select Pitch 12CPI...

Page 48: ...ejects a printed page The buttons referred to are all located on the front panel of the printer 1 Make sure that the paper is properly loaded and the printer is off 2 Hold down the TEAR OFF FONT button and then turn on the printer The printer enters Default Setting mode and prints instructions as shown in Figure 5 14 Epson LX 300 II Printer Language Selection Instructions for selecting the languag...

Page 49: ...CAPINTEC INC CRC 25R Figure 5 14 Epson LX 300 II Printer Language Selection Instructions March 15 SYSTEM INITIALIZATION 5 11 ...

Page 50: ...5 15 Epson LX 300 II Printer Current Settings turn off the printer to exit Default Setting mode If changes are needed proceed to step 6 6 Press the TEAR OFF FONT button The printer prints instructions for changing the settings as shown in Figure 5 16a Epson LX 300 II Printer Changing Settings Instructions 5 12 SYSTEM INITIALIZATION March 15 ...

Page 51: ...CAPINTEC INC CRC 25R Figure 5 16a Epson LX 300 II Printer Changing Settings Instructions March 15 SYSTEM INITIALIZATION 5 13 ...

Page 52: ...CAPINTEC INC CRC 25R Figure 5 16b Epson LX 300 II Printer Changing Settings Instructions 5 14 SYSTEM INITIALIZATION March 15 ...

Page 53: ...ed 8 When all changes are complete turn off the printer to exit Default Setting mode The new settings will remain in effect until they are changed again or the printer is reset to the default settings Note The Setup printout shown in Figure 5 15 Epson LX 300 II Printer Current Settings is for example only Your printer Setup may differ slightly from that shown Verify that the settings which are the...

Page 54: ... Figure 5 17 USB Printer Selection Press the number corresponding to your printer For this example the printer being used is an Epson Stylus C86 Inkjet Select EPSON Figure 5 18 Selected Printer Type will appear PRINTER IS USB EPSON OK Y or N Figure 5 18 Selected Printer Type If the displayed setting is correct press YES Figure 5 2 Main Setup Menu will re appear If the displayed setting is not corr...

Page 55: ...is not correct press NO Figure 5 9 Printer Type Screen will appear SCREEN SETUP The CRC 25R s screen contrast and screen saver backlight timeout can be set by the user To view and or change the selected screen saver and or to adjust the screen contrast press the MENU key from the Measurement Screen Figure 5 1 Main Menu will appear From Figure 5 1 Main Menu select SETUP Figure 5 2 Main Setup Menu w...

Page 56: ...ayed setting is not correct press NO Figure 5 22 Screen Saver Selection Screen will appear Screen Off 1 After 5 min 2 After 10 min 3 After 15 min 4 Never Figure 5 22 Screen Saver Selection Screen Press the number corresponding to the desired timeout Figure 5 21 Screen Saver Verification Screen will re appear showing the chosen timeout period If the displayed setting is correct press YES Figure 5 2...

Page 57: ...To Adjust Screen Press Enter When Done Figure 5 23 Contrast Adjustment Screen The UP ARROW and DOWN ARROW keys are used to adjust the contrast The UP ARROW key will make the background of the screen gradually darker and the DOWN ARROW key will make the background gradually lighter When the screen contrast is at an acceptable level press ENTER to save the contrast value and return to Figure 5 20 Sc...

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Page 59: ...a quick way to select a nuclide A nuclide may be assigned to each key To assign keys press MENU from the Measurement Screen Select SETUP The Setup Menu appears Select OTHER Input the password last 3 digits of the Readout serial number and press ENTER Figure 6 1 Other Menu appears 1 User Keys 2 Sources 3 Moly Setup 4 Nuclides 5 Linearity 6 Remote PC Figure 6 1 Other Menu From the Other Menu select ...

Page 60: ...ure 6 3 User Key Verification screen will appear showing the current key assignment In the example Co60 has been assigned to U1 Note From the factory all USER Keys are set to NONE U1 Co60 OK Y or N Figure 6 3 User Key Verification If no assignment has been made the word NONE will appear after the key name If the assignment is correct press YES and Figure 6 2 User Key Selection screen will re appea...

Page 61: ...ll re appear If the assignment is not correct press NO Figure 6 4 Nuclide Name Assignment Screen will re appear TEST SOURCES Test Sources Standard Sources are used for the Accuracy and Constancy Tests The Accuracy and Constancy may be tested using Co57 Co60 Ba133 Cs137 or Ra226 There can be a Test Source for each of these nuclides One or more of the Test Sources must be designated as the source s ...

Page 62: ...Source for the designated nuclide When shipped from the factory the CRC 25R does not have Test Source information entered When a source is selected Figure 6 6 No Source Verification Screen will appear Co57 is used in the example Co57 NO SOURCE OK Y or N Figure 6 6 No Source Verification Screen If there is no source for the selected Test Source press YES Figure 6 5 Test Source Menu will re appear I...

Page 63: ...is correct press YES Figure 6 5 Test Source Menu will re appear To change the data or to delete the source press NO Figure 6 8 Source Existence screen will appear Do You Have Co57 Yes or No Figure 6 8 Source Existence If the selected Test Source is no longer being used press NO and it will be deleted Figure 6 5 Test Source Menu will re appear To input data for the selected Test Source press YES Fi...

Page 64: ...acter is on the same key press the UP ARROW to repeat use of that key The DOWN ARROW is the space key Press ENTER when correct serial number has been input Figure 6 10 Entering Calibration Date will appear Entering Calibration Date The calibration date is input next Co57 CALIBRATED _ MMDDYYYY Figure 6 10 Entering Calibration Date Input the Test Source calibration date in the form MMDDYYYY example ...

Page 65: ...ecommended Minimum at Current Time limits Minimum at Current Time Maximum Source Ci Bq Ci Bq Co57 50 0 µCi 1 85 MBq 1 0 Ci 37000 MBq Co60 50 0 µCi 1 85 MBq 1 0 Ci 37000 MBq Ba133 50 0 µCi 1 85 MBq 1 0 Ci 37000 MBq Cs137 50 0 µCi 1 85 MBq 1 0 Ci 37000 MBq Ra226 10 0 µCi 0 37 MBq 1 0 Ci 37000 MBq Figure 6 12 Test Source Calibration Activity Limits Input the value of the calibrated activity and then ...

Page 66: ...ow be displayed with the data that has just input If the displayed information is not correct press NO Figure 6 8 Source Existence will appear If the displayed information is correct press YES Figure 6 5 Test Source Menu will re appear CONSTANCY TEST SOURCE The source for the Constancy Test is chosen from the Test Sources designated as Daily Sources From the Figure 6 5 Test Source Menu select CONS...

Page 67: ...ource has been designated as a Daily Source it will be set as the default Constancy Test Source as shown in Figure 6 15 Constancy Source Verification In the example below Co57 is the only source CONSTANCY TEST Co57 Any Key to Continue Figure 6 15 Constancy Source Verification Press any key to continue Figure 6 5 Test Source Menu will re appear More than One Daily Source Chosen If more than one Tes...

Page 68: ...e the Daily Test Source to be used for the Constancy Test Figure 6 16 Constancy Source Verification screen will re appear MOLY ASSAY SETUP Moly Assay can be performed using a CAPMAC or CANISTER When Moly Assay is chosen from the Test Menu reference CHAPTER 10 MEASUREMENT PROCEDURES SECTION MOLY ASSAY Figure 6 18 Moly Assay Method Selection the Moly Assay Method Selection screen will appear However...

Page 69: ...ast 3 digits of Readout serial number and press ENTER Figure 6 1 Other Menu appears From the Other Menu select MOLY SETUP Figure 6 19 Moly Setup Menu will appear MO ASSAY 1 Moly Method 2 Mo Tc Limit Figure 6 19 Moly Setup Menu Selecting Moly Assay Method Select MOLY METHOD from the Moly Setup Menu Figure 6 20 Current Moly Assay Methods Screen will appear The current selections are displayed defaul...

Page 70: ...ES if the method will be used or NO if the method will not be used The example for CANISTER is shown Will You Use CAPINTEC CANISTER Figure 6 21 Moly Assay Method Selection Screen After answering for all three methods Figure 6 20 Current Moly Assay Methods Screen will re appear showing the current settings If all of the current selections are correct press YES Figure 6 19 Moly Setup Menu will re ap...

Page 71: ...splayed value is not acceptable press NO Figure 6 23 Mo Tc Limit Entry Screen will appear The value is input in µCi mCi or MBq GBq if in Becquerel mode INPUT Mo Tc Limit in µCi mCi _ Figure 6 23 Mo Tc Limit Entry Screen Input the new value and press ENTER Figure 6 22 Mo Tc Limit Verification Screen will re appear displaying the new value Note The minimum value that can be input is 0 001 µCi mCi 0 ...

Page 72: ...enu appears From the Other Menu select NUCLIDES The Nuclides Menu appears 1 Add Nuclide 2 Del Nuclide 3 New Cal Num Figure 6 24 Nuclides Menu Select ADD NUCLIDE to add nuclide data Entering Nuclide Name TYPE IN NUCLIDE NAME _ Figure 6 25 Entering Nuclide Name Use the alphanumeric keys to input the nuclide name The first 2 characters will be displayed as letters press the SPC key for a blank if the...

Page 73: ...scroll the half life from Min to Year to Day to Hour If the value needs to be changed press the CE key When the value and unit are correct press ENTER Figure 6 27 Nuclide Verification screen will appear Y 87 HL 80 30H OK Y or N Figure 6 27 Nuclide Verification If the source name and or half life is are not correct press NO Figure 6 25 Entering Nuclide Name screen will re appear If the source name ...

Page 74: ...ntry a 10 1200 Multiplication a 10 10 1200 Multiplication a 100 10 999 Division a 2 400 1200 Table 6 1 Calibration Number Limits Table ENTER CALIBRATION _ Figure 6 28 Enter Calibration Number If the calibration number is known input the number and press ENTER Figure 6 24 Nuclides Menu will appear If the calibration number is not known input 450 and press ENTER The calibration number can then be de...

Page 75: ... source 5 Record the Calibration Number of the nuclide for future reference 6 Input the calibration number following the instructions in the Entering New Calibration Numbers section on page 6 19 DELETING A NUCLIDE Any nuclide added by the user may be deleted From Figure 6 24 Nuclides Menu select DEL NUCLIDE Figure 6 29 Nuclide Name Assignment Screen will appear SPECIFY NUCLIDE _ Figure 6 29 Nuclid...

Page 76: ...te Nuclide Verification Screen will appear showing the selected nuclide name and its half life Y 87 HL 80 30H DELETE Y or N Figure 6 31 Delete Nuclide Verification Screen If the displayed nuclide is not correct press NO Figure 6 24 Nuclides Menu will re appear If the displayed nuclide is correct press YES Figure 6 24 Nuclides Menu will re appear CALIBRATION NUMBERS Up to 40 nuclides including user...

Page 77: ...ress ENTER Figure 6 1 Other Menu appears From the Other Menu select NUCLIDES Figure 6 24 Nuclides Menu will appear From the Nuclide Menu select NEW CAL NUM Figure 6 32 Choose Nuclide for Calibration Number screen will appear Cal Numbers CHOOSE NUCLIDE Press NUCL or Pre set nuclide key or User key Figure 6 32 Choose Nuclide for Calibration Number The nuclide can be chosen via the NUCL key Pre Set N...

Page 78: ...ibration Number and press ENTER After the Calibration Number is entered Figure 6 35 New Cal Verification Screen will appear Sr89 Orig Cal NONE New Cal 123 OK Y or N Figure 6 35 New Cal Verification Screen If the new Calibration Number is not correct press NO Figure 6 34 Enter Calibration Number screen will re appear If the new Calibration Number is correct press YES The new Calibration Number will...

Page 79: ...y Pre Set Nuclide key or USER key Figure 6 37 Change Original Cal will appear Tc99m is shown in the example TC99m Orig Cal 080 Change Cal Figure 6 37 Change Original Cal To leave the Calibration Number set to the original value press NO Figure 6 36 Choose Nuclide for Calibration Number screen will re appear To change the displayed Calibration Number press YES Figure 6 38 Enter Calibration Number s...

Page 80: ...or Calibration Number screen will re appear Restoring Original Calibration Numbers Choose the nuclide whose Calibration Number is to be restored via the NUCL key Pre Set Nuclide key or USER key Figure 6 40 Restore Cal will appear asking if the original calibration number should be restored Tc99m is shown in the example with 082 as the new Calibration Number TC99m Orig Cal 080 New Cal 082 Restore O...

Page 81: ...o Continue Figure 6 41 Linearity Not Defined Error Screen Press MENU from the Measurement Screen Select SETUP The Setup Menu appears Select OTHER Input the password last 3 digits of Readout serial number and press ENTER Figure 6 1 Other Menu appears From the Other Menu select LINEARITY If a Linearity Test has previously been defined Figure 6 42 Message if Test Already Defined will appear otherwise...

Page 82: ... NUMBER OF TESTS 8 12 _ Figure 6 44 Number of Tests Entry This test can be performed with 8 to 12 measurements Input the number of measurements that will be performed and press ENTER For each measurement starting with the 2nd measurement the nominal time in hours with respect to the first measurement that the measurement will be performed is input The minimum time in hours is 1 and the maximum tim...

Page 83: ... 4 3 5 4 6 5 7 6 8 7 9 8 10 9 11 10 12 11 OK Y or N Figure 6 46 Standard Test Verification If the displayed times are incorrect press NO Figure 6 44 Number of Tests Entry will re appear If the displayed times are correct press YES Figure 6 1 Other Menu will reappear Setting Up Lineator Test This test requires 8 measurements A Lineator Test Calibration procedure must be performed before any Lineato...

Page 84: ...bration Measurement Verification screen will appear Tube 5 1 4 Activity x xxmCi Initial Factor n nn OK Y or N Figure 6 49 Lineator Calibration Measurement Verification To repeat the measurement press NO Figure 6 47 Lineator Calibration Prompt will re appear To accept the measurement press YES The next Lineator Calibration Prompt screen will appear until all 8 tubes are measured If a printer is att...

Page 85: ...ntry Input the number of measurements that will be performed and press ENTER Figure 6 51 Calicheck Calibration Prompt screen will appear The example below is given for the 5th measurement Measure Tube 5 Black Green Any Key to Continue Figure 6 51 Calicheck Calibration Prompt Place the Linearity Test Source in the calibrator and press any key to continue the measurement Figure 6 52 Calicheck Measur...

Page 86: ...port will show the measured activity and calibration factor for each tube REMOTE NUCLIDE ASSIGNMENT LEGACY SYSTEMS ONLY Note This section is only included for legacy systems Remote Displays are no longer available as an option If a Remote Display unit was part of a legacy CRC 25R system up to 8 nuclides can be assigned to the remote This allows the user to select any one of the assigned nuclides f...

Page 87: ...ide at Figure 6 55 Remote Choose Nuclide Screen select the nuclide via the Pre Set Nuclide keys USER keys or NUCL key Figure 6 56 Remote Choose Nuclide Delete Nuclide Screen will appear CHOOSE NUCLIDE Already On List Delete Y or N Figure 6 56 Remote Choose Nuclide Delete Nuclide Screen Press YES to delete the selected nuclide from the Remote Nuclide list Figure 6 55 Remote Choose Nuclide Screen wi...

Page 88: ...ress ENTER Figure 6 1 Other Menu will re appear USB PORT SETTINGS Two selections are provided for adjusting the USB port settings when connecting the Calibrator to a Nuclear Management software system They are USB Timeout and USB Protocol By default the USB Timeout is disabled and the USB Protocol is Legacy The defaults will work with Capintec s Communications software These settings may need to b...

Page 89: ...lume changes or container variation for isotopes of interest Diagnostic Test When DIAGNOSTICS is selected the instrument s memories and the programs are checked and the results are displayed If a printer is attached to the system the results will also be printed If any of the tests fail contact Capintec s only Authorized Service Center at 1 800 227 6832 Reference CHAPTER 9 DIAGNOSTICS Daily Test T...

Page 90: ...ecked over the entire range of activities which are reasonably anticipated to be used The initial linearity should be performed using decay method of measuring a short lived isotope over time Thereafter use of calibrated sleeves is acceptable DAILY QUALITY ASSURANCE TESTS Daily Tests The Daily Test should be conducted at the beginning of each working day prior to measuring any samples which will b...

Page 91: ...rmed once per week To perform a contamination test 1 Make sure that the dipper is in the Chamber and there is no source in the dipper 2 From the Chamber Measurement screen press NUCL and input 2657 for Co57 and press ENTER 3 Press the DOWN ARROW 4 Record the displayed activity 5 Remove the dipper from the Chamber and record the displayed activity 6 Subtract the activity in step 5 from the activity...

Page 92: ... 800 227 6832 Reference CHAPTER 9 DIAGNOSTICS YEARLY TESTS Linearity Test The linearity of the CRC 25R should be checked over the entire range of activities which are reasonably anticipated to be used The initial linearity should be performed using decay method of measuring a short lived isotope over time Thereafter use of calibrated sleeves is acceptable The three most common methods are describe...

Page 93: ...easurement screen Background measurement is also part of the Daily Test function Reference this chapter SECTION DAILY TEST Background on page 8 4 Figure 8 1 Background No Sources Screen will appear MEASURE BACKGROUND NO SOURCES Any Key to Continue Figure 8 1 Background No Sources Screen Remove all sources from the vicinity of the Chamber and press any key except HOME to continue with the Backgroun...

Page 94: ...ould be investigated If any sources are found nearby repeat the measurement If the background is above the acceptable range 530µCi 20MBq the value will not be shown but Figure 8 11 Background Too High Screen will appear BACKGROUND TOO HIGH SEE MANUAL Any key to Continue Figure 8 4 Background Too High Screen This TOO HIGH background cannot be accepted by the CRC 25R If the cause of the high reading...

Page 95: ...hanced 5 Moly Assay Figure 8 5 Tests Menu Select DAILY from Figure 8 5 Tests Menu Figure 8 6 Auto Zero Instruction screen will appear Auto Zero The first part of the Daily Test is the Auto Zero AUTO ZERO NO SOURCES Any Key to Continue Figure 8 6 Auto Zero Instruction Remove all sources from the vicinity of the Chamber and press any key except HOME to continue Figure 8 7 Auto Zero Please Wait Scree...

Page 96: ...ke sure that no sources are in the area If any sources are found remove them and repeat the measurement If no sources were found contact Capintec s only Authorized Service Center in Pittsburgh at 1 800 227 6832 Press ENTER to accept the result and continue the Daily Test Figure 8 9 Background Please Wait Screen will appear until a measurement is available Background The second part of the Daily Te...

Page 97: ...ble the reason for the high value should be investigated If any sources are found nearby repeat the measurement If the background is above the acceptable range 530µCi 20MBq the value will not be shown but Figure 8 11 Background Too High Screen will appear BACKGROUND TOO HIGH SEE MANUAL Any key to Continue Figure 8 11 Background Too High Screen This TOO HIGH background cannot be accepted by the CRC...

Page 98: ...measurement is available CHAMBER VOLTAGE PLEASE WAIT Figure 8 12 Chamber Voltage Please Wait Screen When a measurement is available Figure 8 13 Chamber Voltage Results Screen will appear CHAMBER VOLTA 151 2V GE OK ENTER to Accept Figure 8 13 Chamber Voltage Results Screen The measurement is compared with the value input at the factory If the results are out of range the message FAIL SEE MANUAL app...

Page 99: ...step through performing the Accuracy Test for all sources that have been designated as a Daily Source reference CHAPTER 6 CHAMBER INITIALIZATION SECTION TEST SOURCES Note If no sources were designated as Daily Test sources then the message NO DAILY SOURCE DATA Any Key to Continue will appear and the test will be completed The Accuracy and Constancy tests will not be performed In the example below ...

Page 100: ...ation is greater than 10 contact Capintec s only Authorized Service Center Note that higher than expected deviations may be within the limit of error depending the accuracy of the check source being used Press ENTER to accept the measurement If the source being measured is not the Constancy Source Figure 8 15 Accuracy Test in Daily Test Instruction Screen for the next Daily Source will appear If t...

Page 101: ... VOLTS To perform the Chamber Voltage measurement press TEST from the Measurement Screen Figure 8 5 Tests Menu will appear Chamber Voltage measurement is also part of the Daily Test function Reference this chapter SECTION DAILY TEST Chamber Voltage on page 8 6 Select CHAMBER VOLTS Figure 8 19 Chamber Voltage Remove Sources Screen will appear CHAMBER VOLTAGE REMOVE SOURCES Any Key to Continue Figur...

Page 102: ...ct Capintec s only Authorized Service Center at 1 800 227 6832 Press ENTER to accept the result Figure 8 5 Tests Menu will re appear ACCURACY TEST To perform an Accuracy Test press TEST from the Measurement Screen Figure 8 5 Tests Menu will appear Accuracy Test is also part of the Daily Test function Reference this chapter SECTION DAILY TEST Accuracy and Constancy Test in Daily Test on page 8 7 Th...

Page 103: ...urce corrected for decay 4 The percent deviation of the measured activity from the anticipated activity If the deviation is greater than 20 the reading will be replaced by a dashed line this indicates an error condition perhaps the wrong source is being measured Deviations greater than 5 should be investigated If the deviation is greater than 10 contact Capintec s only Authorized Service Center No...

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Page 105: ...m diagnostic testing will begin The instrument s memories and the programs are checked and the results printed if a printer is attached to the system and displayed Figure 9 2 Diagnostics Screen if OK If any of the tests fail contact Capintec s only Authorized Service Center at 1 800 227 6832 The following data is printed A list of the nuclides their half lives and calibration numbers User Added Nu...

Page 106: ...T FAIL fc10 Any Key to Continue Figure 9 3 Diagnostics Screen if fails Note The value displayed after FAIL is for example only and is not a real value At power up the CRC 25R s program is copied from the SD card into RAM memory If the System Test fails restart the unit and perform the test again If it fails again contact Capintec s only Authorized Service Center reference CHAPTER 15 CLEANING AND M...

Page 107: ...The indicates that a Remote Display is attached to the Chamber If there is not a Remote Display connected to the Chamber this symbol will not be displayed Note This applies only to legacy systems Remote Displays are no longer available as an option If the message NO CHAMBER appears on the screen verify that the Chamber cable is attached securely to the connectors on the Readout and Chamber If the ...

Page 108: ... capable of detecting activities in the range of a few hundredths of a microcurie However in order to perform meaningful measurements at such a low level the following conditions must be met The calibrator must be in excellent as new working condition without excessive low end noise or fluctuations The measurement must be made in a low background area with constant ambient background rate and The ...

Page 109: ...NUCLIDE _ Figure 10 2 Nuclide Name Assignment Screen Press the alphanumeric keys corresponding to the nuclide name The number on each key will appear For example if Cs137 is entered 27137 will appear on the screen Press ENTER when the nuclide has been specified Figure 10 1 Measurement Screen will re appear showing the new nuclide name The entire name does not have to be input If the nuclide is not...

Page 110: ... be made by entering a Calibration Number instead of selecting a nuclide from memory Press CAL Figure 10 4 Enter Calibration Screen will appear ENTER CALIBRATION _ Figure 10 4 Enter Calibration Screen A calibration number may include a multiplication sign on the keyboard displayed as X or a division sign However the CRC 25R is always direct reading and the multiplication or division sign is only u...

Page 111: ...2 Figure 10 5 Measurement Screen after Cal entered SOURCES Key The SOURCES key is used to select the nuclides that have been selected as Test Sources Pressing the key will cycle through the selected Test Sources If no Test Sources have been entered pressing this key will cause an error beep For example Co57 and Ra226 are the Test Sources Pressing the SOURCES key will bring up Co57 pressing a secon...

Page 112: ...t date and time will be displayed and can be printed if a printer is attached to the system along with the measured activity This feature is only available when a nuclide is specified because the half life of the nuclide must be known Press TIME Figure 10 6 Time Date Input Screen will appear Tc99m 12 34 549 µCi hhmm DD MM YY Figure 10 6 Time Date Input Screen 10 6 MEASUREMENT PROCEDURES March 15 ...

Page 113: ... all that needs to be input is the time hhmm and day DD For example If today is July 30 and the desired future time is 9 00 tomorrow input 900 for the time press the DOWN ARROW input 31 for the day and press ENTER Figure 10 8 Future Activity Different Day will appear If the future time is sometime the day after tomorrow then the time hhmm day DD and month MM will need to be input For example If to...

Page 114: ...0 1 Measurement Screen will re appear USER ID Note A printer must be attached to the system in order to use the User ID feature A two digit identification number 01 99 may be assigned to each user of the CRC 25R This ID will be included on the printed record after the label BY When the ID is input the digits will not be displayed on the screen The CE key may be used to correct an entry If using an...

Page 115: ...the User ID if desired Press ENTER on the readout Single Line Chosen Input the User ID if desired Press ENTER on the readout Epson LX 300 II Printer Ticket Chosen If the printer is set up for continuous feed press LOAD EJECT on printer Move the paper release lever back to single sheet Slide the left edge guide until it locks in place at the guide mark Adjust the right edge guide to match the width...

Page 116: ...oly Setup Reference CHAPTER 6 CHAMBER INITIALIZATION SECTION MOLY ASSAY SETUP To perform a Moly Assay press TEST from Figure 10 1 Measurement Screen Select MOLY ASSAY If the assay method has not been uniquely specified Figure 10 9 Moly Assay Method Selection screen will appear The method must chosen first SELECT 1 CAPMAC for Mallinckrodt Gen 2 CAPMAC for Bristol Myers Gen 3 Capintec Canister Figur...

Page 117: ... Figure 10 10 Moly Assay Background Choice The skip the Mo99 background measurement with the CAPMAC or CANISTER press NO Figure 10 14 Moly Assay Instruction Screen will appear to begin the Mo99 Assay To proceed with Mo99 background measurement remove all sources from the vicinity of the Chamber and press any other key except HOME to continue Figure 10 11 Moly Assay Background Wait Screen will appe...

Page 118: ...d nearby repeat the measurement If the background is above the acceptable range the value will not be shown but Figure 10 13 Moly Assay Background Measurement Too High Screen will appear Mo99 BKG ERROR TOO HIGH Any key to Terminate Figure 10 13 Moly Assay Background Measurement Too High Screen This TOO HIGH background cannot be accepted by the CRC 25R If the cause of the high reading nearby source...

Page 119: ...a measurement is available Since this is also a measurement of a very low activity the screens are similar to background Mo99 ASSAY PLEASE WAIT Figure 10 15 Moly Assay Wait Screen When the measurement is ready Figure 10 16 Moly Assay Accept Screen will appear Mo99 ASSAY 47µCi OK ENTER to Accept Figure 10 16 Moly Assay Accept Screen Press ENTER to accept the measurement and continue to the Tc99m As...

Page 120: ...tinue The Tests Menu will re appear The Mo99 Tc99m ratio is calculated and displayed The ratio is compared to the allowable value which can be changed in Moly Setup Reference CHAPTER 6 CHAMBER INITIALIZATION SECTION MOLY ASSAY SETUP and the time when the ratio will exceed this limit is calculated If the calculated time limit is less than 12 hours a usage message is displayed depending upon the use...

Page 121: ...n in ml and press ENTER The concentration of the elution is calculated and displayed as shown in Figure 10 20 Elution Concentration screen Note The minimum value that can be input is 1 000 The maximum value that can be input is 100 0 Tc99m 1 232 Ci 123 2mCi ml Any Key to Continue Figure 10 20 Elution Concentration Press any key except HOME to print if a printer is attached to the system a ticket w...

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Page 123: ...bed in CHAPTER 8 BACKGROUND AND TESTS ENHANCED TESTS MENU Press TEST from the Measurement Screen Figure 11 1 Tests Menu will appear TESTS 1 Daily 2 Chamber Volts 3 Accuracy 4 Enhanced 5 Moly Assay Figure 11 1 Tests Menu Select ENHANCED Figure 11 2 Enhanced Tests Menu will appear TESTS 1 Geometry 2 Linearity 3 QC Figure 11 2 Enhanced Tests Menu August 07 ENHANCED TESTS 11 1 ...

Page 124: ...maximum number of samples is 10 The test can be performed using a syringe or a vial Measuring with Syringe From Figure 11 3 Syringe Vial Selection screen select SYRINGE Figure 11 4 Initial Volume Entry screen will appear for each measurement Enter INITIAL Volume In ml _ Figure 11 4 Initial Volume Entry Input the initial volume up to 4 digits for the sample and press ENTER Figure 11 5 Geometry Meas...

Page 125: ...ut the first added volume up to 4 digits to the syringe and press ENTER Figure 11 5 Geometry Measurement Screen will re appear After the 2nd and subsequent measurements Figure 11 7 Another Sample Question Screen will appear asking if another sample will be measured The maximum number of samples is 10 Another Sample Yes or No Figure 11 7 Another Sample Question Screen If the previous sample was not...

Page 126: ...r each measurement The test begins by entering the initial volume of the vial as shown in Figure 11 8 Initial Volume Entry screen Enter INITIAL Volume In ml _ Figure 11 8 Initial Volume Entry Input the initial volume up to 4 digits for the vial and press ENTER Figure 11 9 Geometry Measurement Screen will appear for each measurement Note The minimum value that can be input is 0 100 The maximum valu...

Page 127: ...Figure 11 11 Another Sample Question Screen If the previous sample was not the last sample to be measured press YES to measure another sample Figure 11 10 Added Volume Entry will re appear Input the added volume up to 4 digits for the next sample and press ENTER The total volume input must be less than 99ml if it is not less the message VOLUME TOO LARGE ANY KEY TO CONTINUE will appear Press NO if ...

Page 128: ...press NO The report will show the variation of each measurement with respect to the selected base The variation for the base will be shown as BASE PERFORMING LINEARITY TEST Note In order to perform a Linearity Test a Linearity Test Method must be defined from the Linearity Setup in the Other Menu reference CHAPTER 6 CHAMBER INITIALIZATION SECTION LINEARITY TEST DEFINITION If a Linearity Method is ...

Page 129: ...will appear for the first measurement Test 1 First Measurement Any Key to Continue Figure 11 14 Standard Linearity Test First Measurement Prompt Place the linearity source in the Chamber and press any key except HOME to perform the measurement Figure 11 15 Standard Test Measurement Screen will appear Tc99m 6 27mCi ENTER to Accept Figure 11 15 Standard Test Measurement Screen Press ENTER to accept ...

Page 130: ...o return to Figure 11 1 Tests Menu press NO The report will show the predicted and actual activity and the variance Second Through Last Measurements Perform the measurements at time intervals close to that entered when the test was defined The actual elapsed time will be used in the calculations From Figure 11 1 Tests Menu select ENHANCED Figure 11 2 Enhanced Tests Menu will appear Select LINEARIT...

Page 131: ...t press YES Figure 11 14 Standard Linearity Test First Measurement Prompt will appear Test 2 Measure At 6 Hours Elapsed 5 Hr 55 Min Any Key to Continue Figure 11 19 Standard Linearity Test Subsequent Measurement Prompt Figure 11 19 Standard Linearity Test Subsequent Measurement Prompt will appear giving the test number the time at which the test should be performed and the actual elapsed time The ...

Page 132: ...AR 1 x xxmCi x xx 2 x xxmCi x xx Any Key to Continue Figure 11 21 Standard Linearity Test Test Results Screen Press any key except HOME to continue If a printer is attached to the system a Standard Linearity Test Measurement report will print and the prompt to print again will appear To print the test results again press YES To return to Figure 11 1 Tests Menu press NO The report will show the pre...

Page 133: ... ENTER to accept the measurement Figure 11 24 Lineator Measurement Verification will appear Tube 5 1 4 Present Factor n nn Ratio p pp OK Y or N Figure 11 24 Lineator Measurement Verification To repeat the measurement or if the measurement is not acceptable press NO Figure 11 22 Lineator Measurement Prompt will re appear If the measurement is acceptable press YES The next Lineator Measurement Promp...

Page 134: ...s attached to the system a Lineator Test report will print The report will show the measured activity the present factor and the ratio for each tube set The prompt to print again will appear To print the test results again press YES To return to Figure 11 1 Tests Menu press NO Calicheck Test The Calicheck Test steps the user through the measurement of each tube Figure 11 27 Calicheck Measurement P...

Page 135: ...n nnnmCi OK Y or N Figure 11 29 Calicheck Measurement Verification To repeat the measurement or if the measurement is not acceptable press NO Figure 11 27 Calicheck Measurement Prompt will re appear If the measurement is acceptable press YES The next Calicheck Measurement Prompt screen will appear until all tubes are measured After the last measurement the results screens will appear CALICHECK TES...

Page 136: ...d to the system a Calicheck Linearity Test report will print The report will show the result and the variation from mean for each tube The prompt to print again will appear To print the test results again press YES To return to Figure 11 1 Tests Menu press NO QUALITY CONTROL QC Radiochromatography Quality Control tests can be performed using four methods Press TEST from the Measurement Screen Figu...

Page 137: ...nue Figure 11 33 1 Strip Measurement Message Top Place the Top of Strip in the Chamber and press any key except HOME to perform the measurement Figure 11 34 QC Test Measurement Screen will appear Tc99m 6 27mCi ENTER to Accept Figure 11 34 QC Test Measurement Screen Press ENTER to accept the measurement Figure 11 35 1 Strip Measurement Message Bottom screen will appear Place BOTTOM of Strip in Cham...

Page 138: ...easured values and results The prompt to print again will appear To print the test results again press YES Press NO to continue Figure 11 37 Perform Another Test Screen will appear Do Another Test Y or N Figure 11 37 Perform Another Test Screen To perform another test press YES Figure 11 33 1 Strip Measurement Message Top will re appear If another test is not desired press NO to exit Figure 11 1 T...

Page 139: ... Measurement Screen Press ENTER to accept the measurement Figure 11 40 2 Strips Measurement Message Bottom A screen will appear Place BOTTOM of Strip A in Chamber Any Key to Continue Figure 11 40 2 Strips Measurement Message Bottom A Place the Bottom of Strip A in the Chamber and press any key except HOME to perform the measurement Figure 11 39 QC Test Measurement Screen will appear Press ENTER to...

Page 140: ... Continue Figure 11 42 2 Strips Measurement Message Bottom B Place the Bottom of Strip B in the Chamber and press any key except HOME to perform the measurement Figure 11 39 QC Test Measurement Screen will re appear Press ENTER to accept the measurement Figure 11 43 2 Strips Results Screen will appear QC TEST Two Strips Free Tc99m xx x Reduced Hydrolized xx x Purity xx x Any Key to Continue Figure...

Page 141: ...Tests Menu will appear HMPAO Test The Tc99m HMPAO Test consists of 6 measurements the top and then the bottom of strip A the top and then the bottom of strip B and the top and then the bottom of strip C Select HMPAO from Figure 11 32 QC Test Selection Menu Figure 11 45 HMPAO Measurement Message Top A screen will appear Place TOP of Strip A in Chamber Any Key to Continue Figure 11 45 HMPAO Measurem...

Page 142: ...ME to perform the measurement Figure 11 46 QC Test Measurement Screen will re appear Press ENTER to accept the measurement Figure 11 48 HMPAO Measurement Message Top B screen will appear Place TOP of Strip B in Chamber Any Key to Continue Figure 11 48 HMPAO Measurement Message Top B Place the Top of Strip B in the Chamber and press any key except HOME to perform the measurement Figure 11 46 QC Tes...

Page 143: ...r Any Key to Continue Figure 11 50 HMPAO Measurement Message Top C Place the Top of Strip C in the Chamber and press any key except HOME to perform the measurement Figure 11 46 QC Test Measurement Screen will re appear Press ENTER to accept the measurement Figure 11 51 HMPAO Measurement Message Bottom C screen will appear Place BOTTOM of Strip C in Chamber Any Key to Continue Figure 11 51 HMPAO Me...

Page 144: ...n will appear To print the test results again press YES Press NO to continue Figure 11 53 Perform Another Test Screen will appear Do Another Test Y or N Figure 11 53 Perform Another Test Screen To perform another test press YES Figure 11 45 HMPAO Measurement Message Top A will re appear If another test is not desired press NO to exit Figure 11 1 Tests Menu will appear MAG3 Test The Tc99m MAG3 Test...

Page 145: ...Test Measurement Screen Press ENTER to accept the measurement Figure 11 56 MAG3 Measurement Message Fraction 2 screen will appear Place Fraction 2 in Chamber Any Key to Continue Figure 11 56 MAG3 Measurement Message Fraction 2 Place the Fraction 2 in the Chamber and press any key except HOME to perform the measurement Figure 11 55 QC Test Measurement Screen will re appear Press ENTER to accept the...

Page 146: ... to Continue Figure 11 58 MAG3 Results Screen Press any key except HOME to continue If a printer is attached to the system a QC Test MAG3 report will print The report will show the measured values and results The prompt to print again will appear To print the test results again press YES Press NO to continue Figure 11 59 Perform Another Test Screen will appear Do Another Test Y or N Figure 11 59 P...

Page 147: ... INVENTORY MENU Press MENU from the Measurement Screen Figure 12 1 Main Menu will appear 1 Inventory 2 Calculations 3 Diagnostics 4 Setup Figure 12 1 Main Menu Select INVENTORY Figure 12 2 Inventory Menu will appear INVENTORY 1 Add 2 Make Kit 3 Withdraw 4 Print 5 Delete Figure 12 2 Inventory Menu August 07 INVENTORY 12 1 ...

Page 148: ...uclide of the item to be added to Inventory by pressing one of the 8 Pre Set Nuclide keys the NUCL key or one of the USER keys If Tc99m is the selected nuclide the name of the study will then be selected from Figure 12 4 Tc99m Select Study Screen SELECT STUDY 0 NONE 1 BONE 5 RENAL 2 LUNG 6 LIVER 3 HIDA 7 BRAIN 4 HEART 8 LYMPH Figure 12 4 Tc99m Select Study Screen If plain Tc99m not a kit is being ...

Page 149: ...and press ENTER Figure 12 6 Enter Lot Number Screen will appear ENTER LOT NUMBER _ Figure 12 6 Enter Lot Number Screen An optional Lot Number of up to 15 characters digits or letters may be input Input the Lot Number and press ENTER If a Lot Number is not required press ENTER Figure 12 7 Enter Volume Screen will appear Enter Volume In ml _ Figure 12 7 Enter Volume Screen Input the volume in ml and...

Page 150: ...ES Figure 12 12 Inventory Measurement Screen will appear Input Activity If the activity is to be input Figure 12 9 Inventory Activity Entry Screen will appear ENTER ACTIVITY value unit _ mCi to change unit ENTER to Accept Figure 12 9 Inventory Activity Entry Screen Input the value of the activity and then press the RIGHT ARROW Ô Use the arrow keys to scroll the activity units mCi µCi Ci if using C...

Page 151: ...e input date is not valid a beep will sound and DATE ERROR will be displayed The date must be re entered Figure 12 11 Inventory Time Entry Screen will appear Enter Time _ hhmm Figure 12 11 Inventory Time Entry Screen Input the time as hhmm in 24 hour time format example 1 25 PM would be 1325 9 15 AM would be 0915 and press ENTER The time is checked for validity If the input time is not valid a bee...

Page 152: ...a study the Mo to Tc ratio may be input ENTER Mo Tc 0 FOR NONE _ Figure 12 13 Enter Mo Tc Screen Input the Mo to Tc ratio If the value is not known input 0 and press ENTER Note The minimum value that can be input is 0 000 The maximum value that can be input is 1 000 The input measured values will then be displayed for verification If the values are correct press YES and the item will be stored in ...

Page 153: ...ponding to the desired Tc99m Note When making a kit from the Inventory the Readout Unit must be in the same units Ci or Bq as the source was when added to the Inventory If the selected item is in the other units Ci or Bq the following error message will appear Ci Bq MUST BE SELECTED ON MAIN SCREEN TO WITHDRAW FROM ITEM ENTERED IN Ci Bq ANY KEY TO CONTINUE The details of the selected item will be d...

Page 154: ... may be input to distinguish the item being added from another one with the same nuclide and study Input the 2 digit ID number for the kit and press ENTER If an ID number is not required input 0 for NONE and press ENTER Figure 12 17 Enter Lot Number for Kit Screen will appear ENTER LOT NUMBER _ Figure 12 17 Enter Lot Number for Kit Screen An optional Lot Number of up to 15 characters digits or let...

Page 155: ...The kit input activity and volume required for that activity will be displayed Withdraw the displayed volume and prepare the kit Press any key except HOME to continue and Figure 12 19 Kit Measure Activity Screen will appear MEASURE ACTIVITY Any Key to Continue Figure 12 19 Kit Measure Activity Screen Place the kit in the Chamber and press any key except HOME to continue Figure 12 20 Kit Measuremen...

Page 156: ...OW Ñ and DOWN ARROW Ô keys to navigate between screens Press the number in front of the item to select it Press MENU to return to Figure 12 2 Inventory Menu Note When withdrawing from the Inventory the Readout Unit must be in the same units Ci or Bq as the source was when added to the Inventory If the selected item is in the other units Ci or Bq the following error message will appear Ci Bq MUST B...

Page 157: ...he activity value and units are correct press ENTER Figure 12 23 Date of Use Entry Screen will appear Date of Use ENTER for TODAY _ MMDDYYYY Figure 12 23 Date of Use Entry Screen Input the date in the form MMDDYYYY example July 3 2005 would be 07032005 and press ENTER The date is checked for validity If the input date is not valid a beep will sound and DATE ERROR will be displayed The date must be...

Page 158: ...ress YES Figure 12 25 Measure Activity Screen will appear MEASURE ACTIVITY Any Key to Continue Figure 12 25 Measure Activity Screen Place the sample in the Chamber and press any key to continue Figure 12 26 Withdraw Activity Measurement Screen will appear Tc99m 6 27mCi ENTER to Accept Figure 12 26 Withdraw Activity Measurement Screen When the activity has stabilized press ENTER to accept the measu...

Page 159: ... Menu A list of items in the Inventory appears showing nuclide name study if any and ID if any If there is more than one screen use the UP ARROW Ñ and DOWN ARROW Ô keys to navigate between screens Press the number in front of the item to select it to be deleted Press MENU to return to Figure 12 2 Inventory Menu When an item is selected to be deleted the details of the selected item will be display...

Page 160: ...abort deleting the entire Inventory press HOME The Measurement screen will appear Press YES to print the Inventory Press NO to skip printing Figure 12 29 Delete Whole Inventory Confirmation Screen will appear ARE YOU SURE YOU WANT TO DELETE WHOLE INVENTORY Figure 12 29 Delete Whole Inventory Confirmation Screen If NO is pressed Figure 12 2 Inventory Menu will appear and the Inventory contents will...

Page 161: ...he USER keys Figure 13 1 Dose Entry Screen will appear Enter Dose value unit _ mCi to change unit ENTER to Accept Figure 13 1 Dose Entry Screen Input the desired dose and then press the RIGHT ARROW Ô key Use the arrow keys to scroll through the activity units mCi μCi or Ci for Curie mode MBq or GBq for Becquerel mode If the value needs to be changed press CE Note The displayed unit Ci or Bq is set...

Page 162: ...0 A report will be printed giving the time and required volume for the desired dose at time intervals appropriate to the nuclide for up to 30 time intervals If there is not enough volume for the dose the printout will read REQUIRED VOLUME GREATER THAN EXISTING VOLUME A sample printout is shown in Figure 13 3 Dose Table Printout Figure 13 3 Dose Table Printout 13 2 DOSE TABLE July 07 ...

Page 163: ...ween Ci and Bq and Decay Calculation From the Measurement Screen press MENU Figure 14 1 Main Menu will appear 1 Inventory 2 Calculations 3 Diagnostics 4 Setup Figure 14 1 Main Menu Select CALCULATIONS Figure 14 2 Calculations Menu will appear 1 CiQBq Conv 2 Decay Calc Figure 14 2 Calculations Menu July 07 CALCULATION UTILITIES 14 1 ...

Page 164: ...e value of the activity to be converted and then press the RIGHT ARROW Ô key Use the arrow keys to scroll the activity units µCi GBq MBq Ci mCi If the value needs to be changed press CE When the activity value and units are correct press ENTER Figure 14 4 Ci Bq Result Screen will appear in the example 100 mCi was entered 100 0mCi 3 70GBq ENTER to Continue MENU to End Figure 14 4 Ci Bq Result Scree...

Page 165: ... Tc99m was chosen If you want to perform the decay calculation for a nuclide which is not in memory press the CAL key Figure 14 6 Entering Half Life for Decay Calculation screen will appear HALF LIFE value unit _ MIN to change unit ENTER to Accept Figure 14 6 Entering Half Life for Decay Calculation Input the value of the half life and then press the RIGHT ARROW Ô key Use the arrow keys to scroll ...

Page 166: ...t press ENTER Figure 14 8 Decay Calculation Activity Starting Time Date Screen will appear Tc99m 6 007 H FROM _ hhmmPDDPMMPYY ENTER for NOW Figure 14 8 Decay Calculation Activity Starting Time Date Screen Input the starting time date as per the instructions below If the starting time date is now press ENTER Figure 14 9 Decay Calculation Activity Ending Time Date Screen will appear The time date en...

Page 167: ... 00 tomorrow input 900 for the time press the DOWN ARROW Ô input 31 for the day and press ENTER Figure 14 9 Decay Calculation Activity Ending Time Date Screen will appear If the future time is sometime the day after tomorrow then the time hhmm day DD and month MM will need to be input For example If today is July 30 and the desired future time is 9 00 the day after tomorrow input 900 for the time ...

Page 168: ...0 µCi 15 59 Jul 20 2005 99 7µCi 22 01 Jul 20 2005 Figure 14 10 Decay Calculation Results Screen When finished viewing the results Press the MENU key to exit Decay Calculation and return to Figure 14 2 Calculations Menu Press the HOME key to return to the Measurement screen Press any other key to return to Figure 14 5 Choose Nuclide for Decay Calculation Screen 14 6 CALCULATION UTILITIES July 07 ...

Page 169: ...UTION DISCONNECT THE POWER BEFORE CLEANING TO AVOID ELECTRICAL SHOCK OR DAMAGING OF THE CRC 25R NEVER ALLOW WATER OR LIQUIDS TO PENETRATE THE CHAMBER OR THE READOUT ENCLOSURE DO NOT USE AEROSOL DISPENSERS TO SPRAY THE EQUIPMENT WITH CLEANING SOLUTIONS OR LIQUIDS TO AVOID DAMAGING THE CASE OR DISPLAY SCREEN DO NOT USE AROMATIC HYDROCARBONS CHLORINATED SOLVENTS OR METHANOL BASED CLEANING SOLUTIONS P...

Page 170: ...em refer to the Remote Display owner s manual for proper cleaning procedures Note This applies only to legacy systems Remote Displays are no longer available as an option Disinfecting Instructions All surfaces can be disinfected with bleach using a mixture of 1 cup of bleach per gallon of water Wipe all surfaces using a non abrasive cloth lightly dampened with the bleach mixture After disinfecting...

Page 171: ...ous readings The Quality Assurance Tests should be immediately performed if The equipment has been subjected to extreme physical stress Liquids enter the Readout unit and or Chamber or Any cable shows signs of damage SERVICING The system is covered by a two year limited warranty under normal conditions of use Other than the Readout Unit fuses reference FUSE SERVICING on page 15 5 and internal Lith...

Page 172: ...osal company to decommission your equipment Figure 15 1 No Recycling Material Code Important Information 1 External Electrical Cables 2 Lithium Battery Contained on the CPU printed circuit board inside of the readout unit 3 Printed Circuit Boards Iometer CPU Power Supply LCD Controller 4 Electrolytic Capacitor Power Supply Printed Circuit Board 5 Lead Lead Shielding around Chamber 5 3 3 2 1 4 1 15...

Page 173: ... the screwdriver to open the fuse cover door Refer to Figure 15 2 Readout Fuse Replacement 3 To remove the first of the two fuse carriers insert the tip of the screwdriver behind the arrow and pull it out Repeat this process for the second fuse 4 Remove the blown fuse s from the carrier and replace it them with T 2 0AL 250 Volt fuse s 5 Re insert the fuse carriers with the arrows pointing up Figur...

Page 174: ...Data a If a printer is attached to the system obtain a Diagnostic Printout by pressing the MENU key and then selecting the DIAGNOSTIC function All stored data will be printed This information will be re entered in steps 5 and 9 after the new battery has been installed b If a printer is not available locate a copy of the original Calibration Sheet that was supplied with the unit and record the foll...

Page 175: ...CAPINTEC INC CRC 25R Figure 15 3 c Remove the access panel as shown in Figure 15 4 Figure 15 4 March 15 CLEANING AND MAINTENANCE 15 7 ...

Page 176: ...f the arrow toward the end of the battery holder with the three prongs as shown in Figure 15 5 Figure 15 5 e Lift the other end of the battery up and slide it out The battery holder will appear as shown in Figure 15 6 Figure 15 6 15 8 CLEANING AND MAINTENANCE March 15 ...

Page 177: ...attery and verify the proper orientation as shown in Figure 15 7 the positive side of the battery must face up Figure 15 7 b Slide the battery into the battery holder under the three prongs as shown in Figure 15 8 Figure 15 8 March 15 CLEANING AND MAINTENANCE 15 9 ...

Page 178: ...n the power to the Readout Unit and verify that Low Battery symbol does not appear on the display 5 Initialize the System a From the Sign On screen press ENTER b From the Measurement Screen press MENU c The Factory Password must now be entered When the menu appears on the display press the MENU key again d When the display goes blank press 5 SPC 1 3 Asterisks will appear on the display while you a...

Page 179: ...Figure 15 11 g Press 2 to select SERIAL to re enter the Readout Unit s Serial Number Figure 15 12 will appear MAIN UNIT S N 000000 Correct Figure 15 12 h Press 6 NO to answer no to the Main Unit Serial Number i Input the serial number of the Main Unit and press ENTER j Press 9 YES to answer yes to the new serial number Figure 15 10 will re appear k Turn off the power switch on the back of the Read...

Page 180: ...you call for service You may be able to save a considerable amount of time and money Nothing appears on the display Make sure calibrator is plugged into a live outlet and is turned on Check fuse and replace if necessary Reference the FUSE SERVICING section on page 15 5 Nothing happens when any key is pressed One of the keys may be stuck Try wiggling each key A brief power line disruption may have ...

Page 181: ...ACEMENT procedure on page 15 6 Printer prints junk or prints with incorrect spacing Make sure that the Printer Menu Setup is correct Reference CHAPTER 5 SYSTEM INITIALIZATION SECTION PRINTING Print head hangs up when printing tickets On the Okidata Microline 320 printer the lever on left side of print head must be set to position 2 Printer will not respond Make sure printer is plugged into a live ...

Page 182: ...nting Flange 7310 2307 Shielded Platform with 2mm shielded glass 5150 3010 Shielded Platform with 4mm shielded glass 5150 3011 Dosilift remote lowering raising of syringes or vials 5120 2175 Okidata 320 Ticket and Report Printer 5110 1150 Epson LX 300 II Ticket and Report Printer 5110 0126 Epson Roll Printer 5430 0058 Epson Ticket Printer 5430 0100 HP Inkjet Printer 5430 0146 Printer Ribbons CALL ...

Page 183: ...igure 15 13 RANGEZ L APPAREIL DANS UN ENDROIT DONT LA TEMPÉRATURE VARIE ENTRE 4 C 39 F ET 43 C 110 F RANGEZ L APPAREIL DANS UN ENDROIT DONT L HUMIDITÉ EST INFÉRIEURE À 90 SANS CONDENSATION ET DONT LA PRESSION BAROMÉTRIQUE SE SITUE ENTRE 15 ET 33 PO DE MERCURE ENTRE 51 ET 112 kPa ÉVITEZ TOUT CHOC THERMIQUE ET MÉCANIQUE LAISSEZ RÉCHAUFFER À TEMPÉRATURE AMBIANTE PENDANT UNE PÉRIODE DE 24 HEURES AVANT...

Page 184: ...ropriate Department of Transportation DOT and if shipped by air the International Aviation and Transportation Administration IATA requirements for the shipment of the pressurized 12 Atmosphere Ionization Chamber Detector must be met 15 16 CLEANING AND MAINTENANCE March 15 ...

Page 185: ...ity in time interval dt dt dN A The special unit of activity is Curie Ci 1 Ci 3 7 x 1010 s 1 exactly Note The term nuclear transformation is meant to designate a change of nuclide of an isomeric transition ICRU REPORT 19 1971 The SI International System of Units unit for activity is the reciprocal second s 1 and is named the Becquerel Bq i e 1 Bq 1 Nuclear Transformation per second 1 Ci 3 7 x 1010...

Page 186: ...ity by detecting one or more of the above radiations α Particle Radiation The most energetic α particle emitted by a radionuclide has an energy of less than 10MeV which corresponds to a range of about 10mg cm2 8cm in air Because of its short range an α particle from a radionuclide cannot penetrate to the ionization chamber s sensitive volume and therefore cannot be detected All α decays however ar...

Page 187: ...n chamber Electron Capture The actual electron capture process cannot be detected since the electron is not emitted but is captured by the nucleus The capture of the orbital electron however leaves a vacancy in the atomic orbital shell resulting in x rays as the atom de excites The energy of K x ray is approximately keV 100 Z E 2 k where Z is the atomic number of the daughter nucleus γ rays are al...

Page 188: ...emsstrahlung stopping or braking radiation The intensity and the energy spectrum of Bremsstrahlung are highly dependent upon the source configuration and media surrounding the sample In this manual the term photon will be used when the method of production of the radiation has no bearing on the discussion Interactions of Photons with Matter There are three mechanisms by which photons can interact ...

Page 189: ...eV it is about 80 percent and at 10MeV it is about 98 The number of Compton interactions per unit mass varies directly as the atomic number and inversely as the atomic weight of the medium Z A Pair Production The process of pair production is difficult to comprehend because it is strictly a relativistic quantum mechanical effect What is observed to take place is that in the presence of the electri...

Page 190: ...t 250keV the scattering of photons is mainly forward and at the low energy region attenuation of photons by the outer wall of the chamber becomes significant For a CRC calibrator the backscattering effects are more significant for photons of energies between 70keV and 250keV than photons in other energy regions Effects of the Container The radioactive standard materials in the ampoules now being p...

Page 191: ...opes can be accurately assayed independently of the sample size Effects of Impurities An Ionization chamber itself does not have intrinsic energy discrimination capability The presence of radioisotope impurities will affect the reading of the instrument unless the effect of impurities is eliminated by photon filtration as is done with Mo99 breakthrough in Tc99m However the presence of low level ra...

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Page 193: ...ector S i 10 i 2 The detector response and the sensitivity have the following relation 3 i i i S I i R Where Ii is the intensity of the photon whose energy is Ei The procedure is to measure the response of the detector to all the available primary standard samples and to establish the sensitivity of the detector as a function of photon energy so as to satisfy equation 3 for all standards Once the ...

Page 194: ...volume of the chamber and therefore these photons do not contribute to the activity measurement Calibration Setting Numbers The relationship between the response of the detector and the gain setting relative to that for Co60 in order for the instrument to give a direct reading of the activity is given by A R 1 GA 4 The calibration setting number is linearly related to the chamber response All the ...

Page 195: ...when it is not in equilibrium with the daughter nuclide A general equation for this situation is also given in that appendix Since the determination of the Calibration Numbers and the calibrations normalization of the instrument are performed using standard reference materials issued by the NIST and or the LMR the Calibration Numbers for radioisotopes are given for sample configuration similar to ...

Page 196: ...tting Number is followed by a multiplication sign or a division sign and a number If the sample contains radioactive impurities the meter indication will always be higher than the actual activity of the principal isotope It will not however be the total activity of the principal isotope and the impurities If a Radium Needle is measured the reading will be lower than the true activity in the needle...

Page 197: ... I125 is in a glass syringe or subtract 25 if it is in a plastic syringe Since the attenuation of low energy radiation is very dependent upon the material of the container the value given in the syringe correction column should be used mainly as a guide giving relative magnitude If a measurement of activity in a glass vial is anticipated the container correction for low energy isotopes will be sub...

Page 198: ...on NM MIRD Pamphlet No 10 1975 ORNL76 M J Martin Ed Nuclear Decay Data for Selected Radionuclides ORNL 5114 Oak Ridge National Laboratory March 1976 NDT70 M J Martin and P H Blichert Toft Radioactive Atoms Auger Electrons α β γ and X Ray Data Nuclear Data Tables A Vol 8 Nos 1 2 October 1970 NDS Nuclear Data Sheets Academic Press Martin M J Martin Evaluated Nuclear Data File Nuclear Data Project Oa...

Page 199: ...D 4 NM75 11 C Carbon 457 20 38 M 2 ORNL76 13 N Nitrogen 457 9 965 M 4 ORNL76 15 O Oxygen 462 122 24 S 14 ORNL76 18 F Fluorine 472 109 71 M 2 NIST 08 22 Na Sodium 957 1 7 2 602 Y 1 NBS73 Ref for 0 51 1 27 MeV 24 Na Sodium 658 2 14 959 H 4 ORNL76 26 Al Aluminum 481 2 7 2E5 Y 3 ORNL76 27 Mg Magnesium 331 9 458 M 12 ORNL76 28 Mg Magnesium 719 3 4 20 91 H 3 ORNL76 Pure NOTE NM75 yields a Cal No of 804 ...

Page 200: ...ribute to dose 54 Mn Manganese 309 312 14 D 5 ORNL76 55 Fe Iron 374 2 72 Y 2 ORNL76 55 Co Cobalt 481 7 17 54 H NDS76 56 Co Cobalt 648 2 77 9 D 12 NDT70 56 Ni Nickel 844 4 6 1 D 3 NDT70 Decays to 56 Co See App IV 56 Mn Manganese 627 2 2 577 H 1 ORNL76 57 Co Cobalt 112 1 9 271 7 D 2 NBS76 Ref for 122 keV Capintec Low Energy Reference 58 Co Cobalt 389 70 82 D 3 ORNL76 59 Fe Iron 430 44 51 D 2 ORNL76 ...

Page 201: ...0 6 26 32 H 7 ORNL76 77 As Arsenic 481 100 26 38 8 H 3 ORNL76 Estimation use only 77 Br Bromine 091 3 56 H 2 ORNL76 79 Kr Krypton 050 3 35 04 H 10 ORNL76 81 Rb Rubidium 174 4 58 H NM75 Pure 81m Kr Krypton 915 10 13 S 1 NM75 Pure 81 Rb 81m Kr Rubidium Eqb Krypton 270 NM75 Reading gives act of 81 Rb or 81m Kr in equilibrium sample Eqb after 2 minutes 82 Br Bromine 536 2 2 35 34 H 2 ORNL76 82 Rb Rubi...

Page 202: ...Pure 95 Zr Zirconium 271 64 02 D 5 NDT70 Pure 95 Zr 95m95 Nb Zirconium Eqb Niobium 145 95m Nb 3 61 D 1 NDT70 Reading gives sum of 95m Nb 95 Nb activity in equilibrium sample Eqb after 2 years 97 Nb Niobium 249 72 1 M 7 ORNL76 97 Zr 97m Nb Zirconium Eqb Niobium 341 12 16 90 H 5 ORNL76 Reading gives sum of 97 Zr 97m Nb activity in equilibrium sample Eqb after 10 minutes 97m Nb Niobium 271 60 S 1 ORN...

Page 203: ... eqb sample Eqb after 5 minutes 106 Ru 106 Rh Ruthenium Eqb Rhodium 480 10 369 D 2 NDT70 Reading gives sum of 106 Ru 106 Rh activity in equilibrium sample 108m Ag Silver 830 3 127 Y 21 ORNL76 108 Ag Silver 099 10 6 15 2 37 M 1 ORNL76 Large β contribution 109 Cd 109m Ag Cadmium Eqb Silver 047 or 180 2 40 4 462 6 D 4 39 8 S Reading gives act of 109 Cd 109m Ag or Total Act in eqb sample Eqb after 6 m...

Page 204: ...3m Te Tellurium 177 12 119 7 D 1 NDT70 124 Sb Antimony 720 60 20 D 3 ORNL76 124 I Iodine 570 5 4 18 D 2 ORNL76 125 I Iodine 319 25 1 45 59 6 D 2 NBS76 125 Sb Antimony 289 10 2 758 Y 1 NDT70 Pure 125 Sb Antimony Eqb 125m Te 371 12 2 758 Y 1 NDT70 Reading gives 125 Sb Act in eqb sample Eqb after 1 year 125 Sb 125m Te Antimony Eqb Tellurium 364 12 NDT70 Reading gives sum of 125 Te and 125m Te in eqb ...

Page 205: ... 2 6 475 D 10 ORNL76 133 I Iodine 225 20 8 H 1 ORNL76 Decays to 133m Xe 133m Xe Xenon 100 20 3 2 19 D 1 Decays to 133 Xe See App IV 133 Xe Xenon 188 12 1 95 5 243 D 1 NBS76 133m Ba Barium 132 12 3 38 9 H 1 ORNL76 Decays to 133 Ba 133 Ba Barium 591 10 3 10 5 Y 1 ORNL76 134 Te Tellurium 533 3 6 41 8 M 8 ORNL76 134m Cs Cesium 037 or 160 2 15 2 91 H NM75 Decays to 134 Cs 134 Cs Cesium 726 2 3 2 065 Y ...

Page 206: ...181 Hf Hafnium 387 6 42 4 D 1 ORNL76 181 W Tungsten 165 3 11 121 2 D 3 ORNL76 188 W Tungsten 111 100 69 4 D 5 NM75 Decays to 188 Re Eqb after 7 days See App IV 188 Re Rhenium 496 10 16 98 H 2 NM75 188 W Tungsten Eqb 188 Re 522 10 Reading gives 188 W Act in eqb sample Eqb after 5 days 188 Re Rhenium Eqb 188 W 516 10 Reading gives 188 Re Act in eqb sample 188 W 188 Re Tungsten Eqb Rhenium 217 10 Rea...

Page 207: ...h 489 10 60 55 M 6 NM75 212 Pb Lead Eqb 212 Bi 158 Reading gives 212 Pb Act in eqb sample Eqb after 8 hours 212 Bi Bismuth Eqb 212 Pb 135 Reading gives 212 Bi Act in eqb sample 212 Pb 212 Bi Lead Eqb Bismuth 030 or 146 2 Reading gives sum of 212Pb 212Bi activity in equilibrium sample 224 Ra Radium 646 100 3 66 D 4 NM75 226 Ra Radium chain of daughters 778 0 5 1600 Y 7 NBS73 Reading in grams Common...

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Page 209: ...ter the pure parent isotope was produced and F is the decay branching ratio B The chamber response R may be obtained from the calibration number N using the following equation 0797 0 1075 8 N R When the half life of the parent nucleus TA is much shorter than that of the daughter nucleus TR the parent decays down to the daughter After about 10 TA we can assume that only the daughter is left except ...

Page 210: ...836 20 0 594 5 0 806 25 0 566 6 0 781 30 0 545 7 0 757 40 0 519 8 0 737 50 0 496 9 0 718 100 0 485 10 0 701 150 0 484 Multiplication factors for Ni56 Activity Measurements Use a Calibration Number of 844 and a multiplication factor as indicated in the following table to obtain Ni56 activity at time t days after an initially pure source of Ni56 is obtained Ni56 t days Multiplication Factor t days M...

Page 211: ...8 10 0 526 60 0 361 20 0 425 75 0 359 30 0 389 90 0 358 Multiplication factors for Y87 Activity Measurements Use a Calibration Number of 170 and a multiplication factor as indicated in the following table to obtain Y87 activity at time t hours after an initially pure source of Y87 is obtained Y87 t hours Multiplication Factor t hours Multiplication Factor 0 1 000 5 0 664 0 25 0 960 6 0 644 0 50 0 ...

Page 212: ...3 100 0 426 10 0 836 150 0 374 15 0 776 200 0 347 20 0 727 300 0 322 25 0 685 600 0 309 30 0 650 0 308 Multiplication factors for Te121m Activity Measurements Use a Calibration Number of 187 and a multiplication factor as indicated in the following table to obtain Te121m activity at time t days after an initially pure source of Te121m is obtained Te121m t days Multiplication Factor t days Multipli...

Page 213: ...000 90 0 878 10 0 977 120 0 861 20 0 958 150 0 849 30 0 941 180 0 841 40 0 927 360 0 824 50 0 914 540 0 822 60 0 903 0 821 Multiplication factors for Te129m Activity Measurements Use a Calibration Number of 817 and a multiplication factor as indicated in the following table to obtain Te129m activity at time t hours after an initially pure source of Te129m is obtained Te129m t hours Multiplication ...

Page 214: ...r 0 1 000 4 0 342 0 25 0 836 5 0 318 0 50 0 725 10 0 275 1 00 0 586 15 0 266 2 00 0 447 20 0 265 3 00 0 380 24 0 264 Equilibrium Multiplication factors for Xe133m Activity Measurements Use a Calibration Number of 100 and a multiplication factor as indicated in the following table to obtain Xe133m activity at time t days after an initially pure source of Xe133m is obtained Xe133m t days Multiplicat...

Page 215: ...Factor 0 1 000 60 0 807 10 0 990 75 0 676 20 0 975 90 0 514 30 0 952 120 0 217 45 0 897 180 0 019 Multiplication factors for W188 Activity Measurements Use a Calibration Number of 111 and a multiplication factor as indicated in the following table to obtain W188 activity at time t hours or days after an initially pure source of W188 is obtained W188 t hours Multiplication Factor t days Multiplicat...

Page 216: ...s indicated in the following table to obtain Pb212 activity at time t hours after an initially pure source of Pb212 is obtained Pb212 t hours Multiplication Factor t hours Multiplication Factor 0 1 000 5 0 772 0 5 0 924 6 0 768 1 0 0 875 7 0 766 2 0 0 820 8 0 765 3 0 0 793 9 0 765 4 0 0 779 10 0 764 Equilibrium A3 8 APPENDIX III July 07 ...

Page 217: ...curacy and Constancy You will be required to perform your normal or manual Accuracy and Constancy tests if you have not entered your Reference Source data in the CRC 25R To input Reference Source data refer to CHAPTER 6 CHAMBER INITIALIZATION SECTION TEST SOURCES 1 Background Adjustment Background adjustment is performed automatically in the Daily Test sequence It can also be performed by pressing...

Page 218: ... as shown below Example To measure Tc99m place the sample in the Chamber and press The activity for Tc99m is automatically displayed F18 Ga67 In111 Tc99m I123 I131 Xe133 Tl201 Tc99m 2 USER DEFINED KEYS There are 5 User defined keys You can assign nuclides to these keys See CHAPTER 6 CHAMBER INITIALIZATION SECTION USER KEY ASSIGNMENT Example If the assignment for U1 is Co57 place the sample in the ...

Page 219: ...xample Press Input the Calibration Number Press Future Activity The CRC 25R has a special feature that allows you to automatically determine the activity of a sample at some point in the future From the Measurement screen press TIME Example Press Input the new time date in the 24 hour format Press The FUTURE activity is displayed Enter Test Data Reference CHAPTER 6 CHAMBER INITIALIZATION SECTION T...

Page 220: ...een entered in the system Input the serial number of the Test Source and press ENTER Input the Calibration Day and press ENTER Input the Calibration Activity and press ENTER Press YES to answer yes to Use Daily The system will display the entered data Verify the data and confirm with YES To correct any errors press NO Press to return to the Measurement Screen HOME Cs137 displays Test source data o...

Page 221: ...est 11 12 defining 6 27 Canister 4 7 10 10 CapMac 4 7 10 10 CE key 3 3 Chamber Measurement Procedures 10 2 Chamber Voltage 8 6 8 9 Ci Bq Choosing 5 3 Conversion 14 2 key 3 3 Cleaning 15 1 Cleaning Instructions 15 1 Constancy Test 8 7 Source 4 7 6 8 Contamination Test 7 3 contrast 5 17 screen 5 19 D Daily Test 7 1 7 2 8 3 Accuracy Test 8 7 Auto Zero 8 3 Background 8 4 Chamber Voltage 8 6 Constancy ...

Page 222: ...1 15 2 Low Activity Measurements 10 2 Low Battery 1 1 15 6 M MAG3 Test 11 22 Main Menu 5 1 9 1 12 1 14 1 Measurement Activity at a Different Time 10 6 Calibration Number 10 4 Nuclide Specification 10 2 Procedures 10 2 Measurement Results Geometry Test 11 5 Menu Enhanced Tests 11 1 Inventory 12 1 Main 5 1 9 1 12 1 14 1 Nuclides 6 14 Other 6 1 Screen Setup 5 17 Select 11 2 Selections 3 4 Setup 5 1 T...

Page 223: ...ceiving Condition Examination 4 1 Regulatory Listings 2 7 Remote Legacy Systems Only Adding Nuclides 6 30 Nuclide Assignment 6 28 Remove Nuclides 6 29 Replacement Parts 15 14 Requirements Environment 2 4 4 5 Resolution Selecting 10 5 S Safety 1 1 Safety Tips 1 6 screen contrast 5 17 5 19 saver 5 17 5 18 setup 5 17 Screen Setup Menu 5 17 Select Menu 11 2 Selecting Resolution 10 5 Servicing 15 3 Fus...

Page 224: ...arterly 7 4 Yearly 7 4 Tests Menu 8 3 11 1 Time entering 5 1 TIME key 3 2 10 6 Training Operator 2 1 Troubleshooting 15 12 Two Strip Test 11 16 U Unpacking 4 1 USB Port Settings 6 30 User ID number 10 8 10 15 User Key Assignment 4 7 Chamber 6 1 USER keys 3 2 10 3 V Voltage High 1 2 1 4 W Withdrawing activity from Inventory 12 10 Y Yearly Tests 7 4 Yes or No 3 4 i 4 INDEX March 15 ...

Page 225: ...xpress or implied warranties and we make no warranty that the products sold herein are merchantable or are suitable for any particular purpose The benefits of this warranty shall extend only to the buyer and to none other We shall have no liability of any nature arising out of the use or application of the product in conformity with this warranty If the product shall fail to perform in conformity ...

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