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biodex ATOMLAB 100 Operation And Service Manual

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ATOMLAB 100
DOSE CALIBRATOR
OPERATION AND SERVICE MANUAL
VERSION 2.1
086-250
086-258
B
IODEX
Biodex Medical Systems, Inc.
20 Ramsay Road, Shirley, New Y ork, 11967-4704, Tel: 800-224-6339 (Int'l 631-924-9000), Fax: 631-924-9241, Email: sales@biodex.com, www.biodex.com
FN: 08-008 1/08

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  • Page 1 ATOMLAB 100 DOSE CALIBRATOR OPERATION AND SERVICE MANUAL VERSION 2.1 086-250 086-258 IODEX Biodex Medical Systems, Inc. 20 Ramsay Road, Shirley, New Y ork, 11967-4704, Tel: 800-224-6339 (Int’l 631-924-9000), Fax: 631-924-9241, Email: sales@biodex.com, www.biodex.com FN: 08-008 1/08...
  • Page 2 ATOMLAB 100 DOSE CALIBRATOR This manual covers installation and operation of the following products: #086-250 Atomlab 100 Dose Calibrator (115V) #086-258 Atomlab 100 Dose Calibrator (250V) NOTE: Prior to making activity measurements after a preset Dial Value has been changed on ANY isotope selection key, all Atomlab model Dose Calibrators must be power cycled;...
  • Page 3 B. The cost of transportation into and out of the service location will be the responsibility of of the customer. IODEX Biodex Medical Systems, Inc. 20 Ramsay Road, Shirley, New Y ork, 11967-4704, Tel: 800-224-6339 (Int’l 631-924-9000), Fax: 631-924-9241, Email: sales@biodex.com, www.biodex.com...
  • Page 4 7. Non-warranty/non-service contract charges for repair are as follows: a. Materials b. Time Service Currently $125.00 per Hour c. Shipping Charges IODEX Biodex Medical Systems, Inc. 20 Ramsay Road, Shirley, New Y ork, 11967-4704, Tel: 800-224-6339 (Int’l 631-924-9000), Fax: 631-924-9241, Email: sales@biodex.com, www.biodex.com...
  • Page 5 ATOMLAB Dose Calibrator Operation Manual Packing Slip PACKING SLIP The Atomlab 100 Dose Calibrator (#086-250 or #086-258 Shipping Cartons: with RS-232 port) and its respective components comes carefully packed in two cartons inside a large, single ship- ping box. The cartons, each marked with an appropriate serial number, are labeled: •...
  • Page 6 NOTE: Do not discard the packing materials, cartons or shipping boxes. You will need them should it become neces- sary to return any of the Atomlab components in the future. Biodex Medical Systems Release 2.0...
  • Page 7 ATOMLAB Dose Calibrator Operation Manual Packing Slip Figure P-1: The Atomlab Dose Calibrator Major Components. Biodex Medical Systems Release 2.0...

  • Page 8: Table Of Contents

    Chapter Four: Description ................4-1 Describes features and functions of your Dose Calibrator, including the Detector and Display units. Chapter Five: Operation...................5-1 Describes the full operation of your Atomlab 100 Dose Calibrator Glossary Appendices Appendix A Atomlab Dose Calibrator Troubleshooting Procedures ........A-1 Appendix B Atomlab 100 Dose Calibrator Specifications ..........B-1...

  • Page 9: Quality Assurance Testing Of Atomlab Dose Calibrators

    Quality Assurance Testing of Atomlab Dose Calibrators is provided in Appendix J. OVERVIEW Biodex Medical Systems’ Atomlab 100 Dose Calibrators are designed to perform accurate radioisotope measurements simply and quickly. Due to our unique electronics and soft- ware, the performance you obtain when using these units will surpass the latest stringent regulatory performance standards.
  • Page 10 The Increment/Decrement keys are represented by ⇑ and ⇓. Keys in Boldface Type (i.e., PRINT) must be pressed for a response. When there is an option in a step, it will be represented by upper case brackets { }. Biodex Medical Systems Release 2.0...
  • Page 11 ATOMLAB Dose Calibrator Operation Manual Chapter 2 CHAPTER TWO: INSTALLING YOUR ATOMLAB 100 DOSE CALIBRATOR OVERVIEW We strongly suggest that you read this chapter before mov- ing on to the operation chapter. This will help ensure that your Atomlab Dose Calibrator is up and running properly, and that you have adequate access to the unit to perform all the functions that will be discussed.
  • Page 12 Choose a location for your dose calibrator which is not fre- quently used by other personnel — one where the table on which it lies will not be bumped. In general, make sure your work area is clean, dry, and dust free. Biodex Medical Systems Release 2.0...
  • Page 13 Refer to Figure 2-2 for an illustration of the Detector Unit's Connection cable connector and rear panel. The Detector Cable is gray, ten feet long, and has white identical male connectors on both ends. The connectors are of a self-locking type. Biodex Medical Systems Release 2.0...
  • Page 14 Detector Cable, and the Operational Light. NOTE: For the next procedure ensure your dose calibrator Display Unit is turned OFF. Connection Rotate the Display Unit so that you are looking at the rear panel. Locate the connector labeled CHAMBER. Biodex Medical Systems Release 2.0...
  • Page 15 2) The orientation of the Fuse Holder determines the power your dose calibrator requires. When the label 100-120 and its corresponding arrow points to the arrow directly below the Fuse Holder, you can plug your unit into an 100 VAC power source. Biodex Medical Systems Release 2.0...
  • Page 16 Fuse Holder, you must plug your unit into a 240 VAC power source. NOTE: Your Atomlab 100 has already been configured for your use. If, however, you turn the Fuse Holder upside down to change the voltage required, the fuses within the Fuse Holder must have the proper rating.
  • Page 17 GENERAL CLEANING INSTRUCTIONS As required, wipe down the exterior of the unit using a soft rag slightly dampened with alcohol. Biodex Medical Systems Release 2.0...
  • Page 18 Refer to the Front Panel Display illustrated in Figure 3-1. On Display the Atomlab 100, the unlabeled key to the right of the ⇑⇓ on the Electronic Thumbwheel is referred to as the ENTER key. The 4-digit display associated with the Electronic Thumbwheel is referred to as the Electronic Thumbwheel Display.
  • Page 19 ENTER key when it begins to flash. The Self-Test will continue and, if no errors are detected, the Atomlab 100 will enter its normal operating mode. If you are using multiple chambers, refer to the Instruction Sheet pro- vided with your Multi-Chamber Manual Interface for details on entering multiple chambers during the Self-Test.
  • Page 20 The LED will go OFF automatically when com- pleted and the displayed value should be less than 0.1 µCi. The activity value will remain in memory until the BKGND key is pressed again or the system is turned OFF. Biodex Medical Systems Release 2.0...
  • Page 21 AVERAGING PERIOD The Atomlab 100 automatically selects the proper averaging period or time constant for the proper display of low activity sources. When you first lower the source into the well, the activity value quickly jumps to the final value.
  • Page 22 LED come ON. This indicates the Display Units Atomlab 100 is in Setup mode. Observe that the unit indica- tor to the right of the Activity Display (for example, µCi) is blinking at the same rate as the LED on the OTHER key.
  • Page 23 OVERVIEW By this point, you should have already setup, installed and powered up your Atomlab 100 as described in Chapters 1, 2 and 3. Now, before getting into the actual operation proce- dures, we suggest you take a few minutes and review this chapter.
  • Page 24 On the rear panel of the Detector Unit are the connectors for power and data communication with the Display Unit. The Detector Unit can be located up to three meters away from the Display Unit. Biodex Medical Systems Release 2.0...
  • Page 25 Method The current from the chamber is collected on a capacitor in the feedback loop of the electrometer whose capacitance value is stable and measured to a high degree. Biodex Medical Systems Release 2.0...
  • Page 26 For example, 12.03 µCi = .445 MBq and 63.9 mCi = 2.36 GBq. If the numeric display reads 0.445 and MBq is indicat- ed, the activity value is 445,000 Becquerels; if 2.36 is dis- played and GBq indicated, the activity is 2,360,000,000 Becquerels. Biodex Medical Systems Release 2.0...
  • Page 27 Standard The standard radioisotope (Isotope Selection) keys for the Isotopes Atomlab 100 include: Co-57, Cs-137, I-131, In-111, Ga-67, Xe-133, I-123, Tl-201, Mo-99 and Tc-99m.The Co-57 and Cs-137 keys are primarily used for accuracy and Constancy Tests while the Mo-99 key is used for the Moly Breakthrough Test.
  • Page 28 Press the flashing ENTER key. The LED indicator on every key will come ON. When the Self-Test is completed and no faults have been detected, the LED on the TEST key turns OFF. At this point, the system is ready to use. Biodex Medical Systems Release 2.0...
  • Page 29 2) Press TEST two times to display the current chamber version. 3) Press TEST three times to display the current chamber number. 4) Press TEST four times to display high voltage. 5) Press TEST five times to return to Setup mode. Biodex Medical Systems Release 2.0...
  • Page 30 There are four keys which perform specific functions: the keys labeled SETUP, TEST, and BKGND, and the unlabeled key, which on the Atomlab 100 is referred to as ENTER in this manual. In conjunction with the Electronic Thumbwheel (described below), these keys allow the user to perform...
  • Page 31 2) Do not introduce other high energy radioactive sources near the location of the Atomlab 100. Try to maintain a stable environment. 3) Leave your Dose Calibrator ON at all times, or make sure you turn it ON at least one hour prior to using it.
  • Page 32 If any faults are detected, refer to Appendix A or the Atomlab Dose Calibrator Trouble-shooting Guide. If two or more chambers are connected to your Atomlab 100, Self-Test the system must be programmed to initialize each chamber (Multiple as explained in the following procedure.
  • Page 33 Remove your Cs-137 check source from its shield and place it into the Sample Holder. Lower the holder, with source, into the Chamber Well. Press the Cs-137 key. The Activity Display will now show the activity of your Cs-137 check source. Biodex Medical Systems Release 2.0...
  • Page 34 Tc-99m gamma. Therefore, when a Tc-99m source is placed in a properly shielded lead container and inserted into the Chamber Well of the Atomlab 100, any measured radiation will be due to Mo-99 gamma transmission. Biodex Medical Systems...
  • Page 35 2) Once the countdown is finished, verify that the Activity Display reads 0.05 µCi or less. Wait about 30 seconds more for the Atomlab 100 to stabilize. If the value is too high, press the BKGND key. You may continue when the BKGND LED indicator goes OFF.
  • Page 36 Press any standard Isotope Selection Key. The current Calibrated Value for the key will show in the Electronic Thumbwheel Display. If you are calibrating for an isotope not listed on the front panel, select the 1 or 2 key. Biodex Medical Systems Release 2.0...
  • Page 37 Thumbwheel Display. The ENTER LED turns OFF. 6) Press the SETUP key. The SETUP LED turns OFF to indicate the Atomlab 100 is out of Setup mode. NOTE: Should you find that you never use one or more of the standard Isotope Selection keys, you may use the proce- dure above to reset them for a radioisotope you do frequent- ly measure.
  • Page 38 Press the ENTER key. The 1 (or 2) key is now programmed and will retain the Calibration Value you set it to, even if you turn OFF your Atomlab 100. Press the SETUP key. The Atomlab 100 is now out of Setup mode. The Standard...
  • Page 39 5) If the activity is < 2µCi, place the Sample Holder back in the Chamber Well and, if the activity value now reads greater than 0.05 µCi, again press the BKGND key. Detector Liner Check Repeat the above procedure, but only remove and replace the Well Liner. Biodex Medical Systems Release 2.0...
  • Page 40 A chart projecting how the activity of a source will decay Decay Chart over a period of time at specified time intervals. Biodex Medical Systems GL-1 Release 2.0...
  • Page 41 A partially transparent radiation shield behind which doses can be prepared. Linearity Tests The test of a dose calibrator to determine the variation in the displayed activity values from the true ones over the measurement range of the instrument. Biodex Medical Systems GL-2 Release 2.0...
  • Page 42 Comparison of the expected and actual activity values constitutes the test of linearity. Biodex Medical Systems GL-3 Release 2.0...
  • Page 43 The Atomlab's electrometer does this automatically by constantly subtract- ing the first of two successive activity measurements from the second, so that any offset is compensated for. Biodex Medical Systems GL-4 Release 2.0...
  • Page 44 Should you encounter any of the problems discussed in the following sections, immediately perform the accompanying steps to ascertain whether your dose calibrator requires servicing. If you conclude that it does, contact the Biodex Customer Service Department at 1-800-224-6339 for further instructions.
  • Page 45 Holder into the rear panel of the Display Unit. Re-insert the Power Cord into the outlet and turn the power back ON. If your system still will not power up, call the Biodex Customer Service Department. FLUCTUATIONS IN ACTIVITY MEASUREMENT...
  • Page 46 Activity Display is inaccurate, ensure that the Calibration Value for the proper Isotope Selection key is correct. DETERMINING THE CURRENT SOFTWARE VERSION To verify the current Atomlab 100 Display Unit firmware level: 1) Press SETUP. 2) Press TEST. The Display Unit software level will appear on the ETD (#1) window.
  • Page 47 100V-120V is upside down), and the corresponding arrow directly below the label points to the arrow on the rear panel directly below the Fuse Holder, then you must plug your dose calibrator into a 200 VAC power source. Biodex Medical Systems Release 2.0...
  • Page 48 If it is burned or broken in any way the fuse must be replaced. If the filament does not appear to be broken or burned, test the fuse for continuity with an ohm meter. Figure A-1: Removing the Fuse Holder Biodex Medical Systems Release 2.0...
  • Page 49 "Er.1, Er.2", etc. Each time you press the TEST key the next Error Message, if further faults have been detected, will be displayed. The TEST LED will flash continuously to inform you that more errors have been detected. Biodex Medical Systems Release 2.0...
  • Page 50 Some of these faults can be easily corrected over the phone by the Biodex Customer Service Department. Other faults, howev- er, require that you return the dose calibrator to Biodex Medical Systems for servicing. Chamber...

  • Page 51: Atomlab 100 Dose Calibrator Specifications

    Calibration Values is within 3% or 0.3 µCi, whichever is greater. NOTE: Intercomparison of calibrated sources and the Atomlab 100 requires combining the uncertainties of both the Atomlab 100 and the calibrated source to determine expected agreement. Biodex Medical Systems Release 2.0...
  • Page 52 Two user programmable keys: 1 and 2. OTHER key for setting on-the-spot Calibration Values for non-standard isotopes. CALIBRATION VALUE DISPLAY Four digit Calibration Value Display with Increment/Decrement keys to change value. Range is from 000.1 to 999. Biodex Medical Systems Release 2.0...
  • Page 53 0 to 40°C Humidity: 0 to 95% rh, non-condensing For optimum performance, the Atomlab 100 should be oper- ated in a normal laboratory environment where the tempera- ture and humidity are maintained for normal human comfort and the ambient radiation level is low and constant.
  • Page 54 Keys can be reset for new Calibration Values. The Mo-99 key is calibrated for Mo-99 assay in a shielded vial of Tc-99m. The Atomlab 100 provides a 30-second countdown. Calibrator Co-57 and Cs-137: used for accuracy and constancy Constancy checks.
  • Page 55 Selection keys. To enter Setup mode, press the key once. Pressing the key a second time takes the Atomlab 100 out of Setup mode. The TEST key enables the Dose Calibrator’s Self-Test pro- gram, which includes a test of the electrometer sensitivity, chamber bias supply, software checksum, and the display.
  • Page 56 ATOMLAB Dose Calibrator Operation Manual Appendix B NOTE: Authorized European Community Representative: Prothia, Paris, France 0413 98-131 Biodex Medical Systems Release 2.0...

  • Page 57: Decay Calculations

    The following is a calculation of the decayed activity of Tc- Calculation 99m, with an initial activity of 43 mCi, after 53 minutes: 1) A = 43 mCi. 2) For Tc-99m, T = 6.007 h. Biodex Medical Systems Release 2.0...
  • Page 58 99m, with an initial activity of 43 mCi, after 32.5 hours: = 43 mCi. For Tc-99m, T = 6.007 h. t = 32.5 h. t / T = 32.5 h / 6.007 = 5.410. N = 5, R = 0.410. Biodex Medical Systems Release 2.0...
  • Page 59 X (.410) = .75262. 7) A (N) x X (R) = 43 mCi x (0.03125) x (.75262) = 1.01 mCi. (N) = 2 0.25 0.125 0.0625 0.03125 0.01563 0.007813 0.003906 0.001953 0.000977 Table 1 Biodex Medical Systems Release 2.0...
  • Page 60 .72447 .72397 .72347 .72297 .72247 .72196 .72146 .72096 .72047 .71997 .71947 .71897 .71847 .71797 .71747 .71698 .71648 .71598 .71549 .71499 .71450 .71400 .71351 .71301 .71252 .71203 .71153 .71104 .71055 .71005 .70956 .70907 .70858 .70809 .70760 Biodex Medical Systems Release 2.0...
  • Page 61 .51192 .51157 .51121 .51086 .51051 .51015 .50980 .50945 .50909 .50874 .50839 .50803 .50768 .50733 .50698 .50663 .50628 .50593 .50558 .50523 .50488 .50453 .50418 .50383 .50348 .50313 .50278 .50243 .50208 .50174 .50139 .50104 .50069 .50035 .50000 Biodex Medical Systems Release 2.0...
  • Page 62 N = integer number of half lives in time t; and R = decimal remainder after dividing t by T . To verify this, remember three important relations regarding exponentials: (A + B) ln(A) = A ; and Biodex Medical Systems Release 2.0...
  • Page 63 R from 0.001 to 0.999. For the above example (5) = 0.03125 (0.410) = 0.75262 = X A = [X (N) x X (R)] A = [0.03125 x 0.75262] 43 mCi = 1.01 mCi Biodex Medical Systems Release 2.0...

  • Page 64: Pre-Set Calibration Values

    Tl-201 72.91 h 18.8 I -123 13.221 h 12.9 Xe-133 5.243 d 19.0 Ga-67 3.261 d 30.2 I n-111 2.805 d 12.7 I -131 8.021 d 22.2 Cs-137 30.0 y 17.4 Co-57 271.7 d 29.3 Biodex Medical Systems Release 2.0...
  • Page 65 Tl-201 72.91 h 18.0 I -123 13.221 h 14.4 Xe-133 5.243 d 19.6 Ga-67 3.261 d 28.0 I n-111 2.805 d 13.5 I -131 8.021 d 22.6 Cs-137 30.0 y 17.3 Co-57 271.7 d 27.0 Biodex Medical Systems Release 2.0...
  • Page 66 Chart B on page E-6. To determine the firmware level of your dose calibrator, refer to Appendix H. NOTE: For Y-90, be sure to see the section "Dial Settings for Y-90", at the end of this chapter. Biodex Medical Systems Release 2.0...
  • Page 67 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 68 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 69 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 70 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 71 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 72 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 73 ATOMLAB Dose Calibrator Operation Manual Appendix E Biodex Medical Systems Release 2.0...
  • Page 74 If it falls outside the range, then verify that: a) there is a well liner in place b) a hook style dipper is used c) the annual accuracy and daily constancy tests results are acceptable Biodex Medical Systems Release 2.0...
  • Page 75 (CCPE). If the sum of the errors is in the range of -2% to +2%, then the new dial value should be used. If not, contact Biodex Technical Support. The user may also want to con- tact the radiopharmacy to determine if a calibration error may have occurred.
  • Page 76 Instead the working standards are in epoxy resin form in a plastic vial E package. These standards have been calibrated against the National Institute of Standards & Technology sources in the Biodex Medical Systems Release 2.0...
  • Page 77 Finally, a Tc-99m source in a 10 ml vial of saline is calibrat- ed in the two standard ionization chambers. After calibra- tion, the response to the Tc-99m standard is measured and verified to be within 2%. Biodex Medical Systems Release 2.0...

  • Page 78: Atomlab Computer Interconnection

    PC PORT COMMUNICATIONS Starting with Version 5.0 of the Atomlab 100 firmware, the PC port is bidirectional. Until this release, the PC port was strictly a transmission port for the calibrator. The calibrators...
  • Page 79 Dose Calibrator continues until a space is encountered. It may be from two till Records six characters in length. There are thirteen isotope names. Typical sample records are shown below (version 5 firmware): Atomlab 100 ~Tc-99m 31.5 2.54 µCi ~Mo-99 179.
  • Page 80 "2". Then press "1" each time you would like the cali- brator to send you a record. ADDITIONAL CONTROLS As of Version 5.0 of the Atomlab 100 firmware, the PC port for the calibrator will include additional commands that will allow full control of the calibrator through the PC port. A series of one byte codes are equated to each button on the keyboard.
  • Page 81 ATOMLAB Dose Calibrator Operation Manual Appendix G Code Isotope Tc-99m Mo-99 Tl-201 I -123 Xe-133 Ga-67 I n-111 I -131 Cs-137 Co-57 OTHER SETUP TEST BKGND Unlabeled Up Arrow ETW#1 Dn Arrow ETW#1 N/A = Not Applicable Biodex Medical Systems Release 2.0...

  • Page 82: Electromagnetic Compatibility

    EMC information pro- vided in the ACCOMPANYING DOCUMENTS. See chart on next page NOTE: Portable and mobile RF communications equipment can affect MEDICAL ELECTRICAL EQUIPMENT. NOTE: Contact Biodex Medical Systems for additional EMC information. Biodex Medical Systems Release 2.0...
  • Page 83 ATOMLAB Dose Calibrator Operation Manual Appendix H Biodex Medical Systems Release 2.0...

  • Page 84: Determining The Firmware Level Of Your Dose Calibrator

    DETERMINING THE FIRMWARE LEVEL OF YOUR DOSE CALIBRATOR Use the following procedure to determine the firmware level of your Atomlab 100 Display and Chamber Units. 1) Press SETUP four times. 2) Press TEST. The Display Unit firmware level will appear on the Electronic Thumbwheel Display.
  • Page 85 USER with the following energy photons in its emission spectrum. where PSA = Plastic Syringe Activity. *Manufactured by Sun Nuclear Corporation, Melbourne, FL; distributed by Biodex Medical Systems. July 8, 2004 P/N 107012 Rev. B; © 2004, Sun Nuclear Corp.
  • Page 86 (cf) by divid- ceutical therapy, whichever is largest. If cf < 0.90 or > 1.10, contact Biodex ing the average of all decay corrected technical support and provide full measurements ( ) by each M , i.e.,...
  • Page 87 ATOMLAB Dose Calibrator Operation Manual Appendix J ® Biodex Medical Systems Quality Assurance Testing of AtomLab Dose Calibrators repeated to verify. AtomLab dose calibra- a syringe and inject it into the vial. Assay Repeat step 5 twice more until you have tors have been tested for volume the vial.
  • Page 88 Dose Calibrator power switch must be turned OFF and then back ON. Failure to power cycle after changing any preset key may cause a measurement ERROR on any or all isotope keys. Biodex Medical Systems Release 2.0...
  • Page 89 The date on the Report of Calibration does not expire until the dose calibrator is returned to the manufacturer. Biodex Medical Systems Release 2.0...
  • Page 90 IODEX Biodex Medical Systems, Inc. 20 Ramsay Road, Shirley, New Y ork, 11967-4704, Tel: 800-224-6339 (Int’l 631-924-9000), Fax: 631-924-9241, Email: sales@biodex.com, www.biodex.com...

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