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iSERIES Algorithm

D. Optimizing the CANBERRA

i

SERIES

for Air Sample Counting

The CANBERRA iSERIES family includes the

i

SOLO manual and

i

MATIC

automatic Alpha/Beta counting systems. The iSERIES uses a proprietary algorithm
(United States Patent 6,822,235) to strip the short-lived naturally occurring radon,
which would otherwise mask longer-lived radiation of concern. This section is
intended to instruct users on how to improve the analysis results

iSERIES Algorithm

The CANBERRA

i

SERIES algorithm is discussed in Mirion Technologies (Canberra)

literature. An entire algorithm manual is available from Mirion Technologies
(Canberra) (part number 9237566). This appendix will not discuss the details of the
algorithm in detail beyond what is required to optimize the results. The steps
performed by the algorithm are summarized below:

1.

Use built-in logical test to determine if the Po-212 (ThC' or Thoron, 8.78
MeV) contribution is significant

2.

Use the Peak Shape of Po-212 (ThC', 8.78 MeV) to derive correction for the
Bi-212 (ThC, 6.05 MeV) contribution.

3.

Take into account pseudo coincident beta counts in the Po-212 (ThC', 8.78
MeV) peak.

4.

Use a double exponential tail prediction function to determine the Po-212
(ThC', 8.78 MeV) contribution.

5.

Use built-in logical test to determine if the Po-214 (RaC' or Radon, 7.68 MeV)
contribution is significant.

6.

Use a double exponential tail prediction function to determine the Po-214
(RaC', 7.68 MeV) contribution.

7.

Evaluate statistical uncertainty on the corrected counts.

iMatic Automatic Counting System User's Manual - 9239221K

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Содержание iMatic Automatic LB

Страница 1: ...iMatic Automatic LB System 9239221K V1 26 User s Manual...

Страница 2: ...arty or used for any commercial purpose or for any use other than that granted to the purchaser without the written permission of Mirion Technologies Canberra Inc Mirion Technologies Canberra Inc 800...

Страница 3: ...11 Sample Changer Control Keys 11 Count Key Count Pause Resume 12 Halt 12 Rear Panel Controls and Connectors 13 Sample Changer 14 Loading Sample Carriers 15 Uninterruptible Power Supply 16 3 Setup Men...

Страница 4: ...Group Summary 43 Print Header 44 Define Std Source 44 Select User Source 45 Half life Days 46 Source Calibration Date 46 Source Calibration Month 47 Source Calibration Day 47 Source Calibration Year 4...

Страница 5: ...66 Set Hour 66 Set Minute 66 Set Second 67 Define Users 67 Auto restack 68 Timed Count 68 Clear QC Log 69 Data Output Setup 70 Output Modes 70 Output Configuration 71 Printer Enable 72 Set Analysis Pa...

Страница 6: ...roblems 94 Firmware Versions 94 Gain Calibration 95 Analysis Calibrations 97 Sample Distance 98 Sample Analysis Delay 99 Count Time 99 Sample Collection Time 100 Filter Media Selection 102 Regions 104...

Страница 7: ...8 AC Power Connection 138 G Technical Reference 139 Cleaning the PIPS Detector 139 Battery Care 140 Nickel Metal Hydride Battery 140 Memory Backup Battery 140 Protected Memory Corruption 141 iLink 142...

Страница 8: ...l indicates the connection point for the primary earth ground supply Product complies with appropriate current EU directives Product complies with appropriate current FCC UL CSA 61010 1 directives Mec...

Страница 9: ...interference that must be determined and corrected for The Canberra iMatic instrument is an automated single detector counting system for the measurement of low level alpha and beta radiation The syst...

Страница 10: ...mes Names of files and directory path names are shown in Arial C GENIE2K Soft Keys Buttons Soft keys buttons are shown in Special Bold type Titles Titles of books and of manual chapters and section ar...

Страница 11: ...lt and then press Enter Note that pressing the Cancel key has no effect at this point The only way to continue is to press Enter after making a selection Cancel This selection will allow the iMatic to...

Страница 12: ...to test and train users on the system without the use of radioactive sources The demo mode is entered by turning the main power switch off and then turning the power back on while holding the Count bu...

Страница 13: ...ith a typical counting rate of 1000 cpm Procedure C Procedure C produces a 210 Pu spectrum at a typical counting rate of 1000 cpm Procedure D Procedure D produces a spectrum consisting of 210 Pu with...

Страница 14: ...dure J Procedure J produces a Radon Thoron background spectrum with a typical counting rate of 1000 cpm Front Panel Controls The iMatic is completely controlled via front panel keys and a liquid cryst...

Страница 15: ...n flashing External DC power is absent Power LED is yellow Battery LED is green until the battery level discharges to the low power battery threshold at which time the Battery LED flashes yellow The L...

Страница 16: ...t batteries installed however the unit does not indicate the absence of batteries Display The Display key is used to adjust the display contrast and viewing angle for the best visibility The Display k...

Страница 17: ...actory default information that may be modified by you to customize the system to satisfy specific requirements Entering an Alphanumeric Name 1 When the text field is displayed the cursor _ will be lo...

Страница 18: ...arted Table 1 Alphanumeric Characters A a B b C c D d E e F f G g 0 H h 1 I l 2 J j 3 K k 4 L l 5 M m 6 N n 7 O o 8 P p 9 Q q R r S s T t U u V v W w X x Y y Z z 10 iMatic Automatic Counting System Us...

Страница 19: ...lows you to return to the previous menu of a submenu Setup The Setup key allows you to enter into the main system menu The Setup menu provides access to many other functions including editing count pr...

Страница 20: ...samples based on the Group Plate procedure The Count key also serves as a count pause key Once the sample is counting pressing the Count key will pause the count Press the Count key to resume the coun...

Страница 21: ...n page 139 on how to install and care for the batteries CAUTION Use of non rechargeable batteries or rechargeable batteries other than those supplied or recommended by Mirion Technologies Canberra may...

Страница 22: ...32 This connector is used to attach the iMatic to a computer or data logger for data transfer Sample Changer The iMatic system uses a very reliable sample changer that is automatically controlled by t...

Страница 23: ...er down 2 Place a SAFETY plate on the sample slide and then slide the SAFETY plate towards the left sample stack 3 Place an END plate on the sample slide and then slide the SAFETY plate towards the le...

Страница 24: ...Matic system contains an internal Uninterruptible Power Supply UPS that will power the system for typically 6 to 8 hours when the normal AC mains supply is lost An internal battery charger continuousl...

Страница 25: ...ee There are eighteen choices on the first level menu 1 Delete Data 2 Set Security Level 3 Define Procedure 4 System Information 5 Setup Printer 6 Define Report 7 Define Std Sources 8 Detector Paramet...

Страница 26: ...o return to the Setup menu 3 Move the cursor to the line 2 Yes Delete and then press Enter Note To avoid having insufficient memory to count a sample the iMatic can be programmed to automatically prin...

Страница 27: ...rity OFF 2 Setup Only 3 Setup User 4 Setup User ID 5 System Locked The Sets Security Level menu option sets the security level and supervisor and user information for the iMatic The default setting is...

Страница 28: ...dures are entered and modified from the Define Procedure menu The system will guide you through the steps to set counting and analysis parameters reporting modes and contents that make up a complete p...

Страница 29: ...ure Name and enter a name you will automatically be stepped to 2 Select Calibration and so on This auto stepping feature makes it much easier and faster for you to enter procedures and greatly reduces...

Страница 30: ...o item 2 Select Calibration and press the Enter key 5 Using the arrow keys select the desired calibration and then press the Enter key 6 Press the Enter key to accept and automatically advance to the...

Страница 31: ...2 ALPHA COMPENSATED DATA pre defined 3 RAW DATA pre defined 4 NCPM DATA pre defined 5 User Report 6 User Report 7 User Report 8 User Report 9 User Report 10 User Report To select the report format fo...

Страница 32: ...ne Procedure Menu Pressing the Cancel key again will bring up a Save Changes question Select 1 No if the change was an error or 2 Yes to save the change s made Sample Iterations The Sample Iterations...

Страница 33: ...ter the Count Preset 1 Press the Setup key 2 Using the arrow keys position the cursor to item 3 in the menu Define Procedure and then press the Enter key 3 Using the arrow keys select the procedure an...

Страница 34: ...Unit 1 Press the Setup key 2 Using the arrow keys position the cursor to item 3 in the menu Define Procedure and then press the Enter key 3 Using the arrow keys select the procedure and then press the...

Страница 35: ...The iMatic allows four individual alpha and beta action limits to be independently set for each user procedure Procedures A J Two additional lines in the report header area print the procedure action...

Страница 36: ...ation To enter the method blank 1 Press the Setup key 2 Using the arrow keys position the cursor to item 3 in the menu Define Procedure and then press the Enter key 3 Using the arrow keys select the p...

Страница 37: ...e number of times a group of samples will be counted The iMatic allows a group to be counted from 1 to 10 times The default is 1 To set the group iterations 1 Press the Setup key 2 Using the arrow key...

Страница 38: ...iMatic To enter a Unit ID 1 Press the Setup key 2 Using the arrow keys position the cursor to item 4 in the menu System Information and then press the Enter key 3 Using the arrow keys position the cu...

Страница 39: ...the System Information Menu Pressing Cancel a second time will return you to the Setup menu Display All Unique IDs The Display All Unique IDs menu item allows you to view system unique identification...

Страница 40: ...em is read only To display the MAC address Note The MAC address is intended for future iMatic features 1 Press the Setup key 2 Using the arrow keys position the cursor to item 4 in the menu System Inf...

Страница 41: ...ng the Enter key will automatically advance to the next item in the System Information list Pressing Cancel will return to the System Information menu Pressing Cancel a second time will return you to...

Страница 42: ...acters each A setting of 90 characters per line allows nine fields A setting of 106 characters per line allows ten fields Adjust the printer s character pitch to match the Characters Per Line setup Yo...

Страница 43: ...cel key will return to the Setup Printer Menu Pressing Cancel a second time will return you to the Setup menu Lines Pages The Line Page menu item allows you to set the total number of lines used per p...

Страница 44: ...Printer Menu Pressing Cancel a second time will return you to the Setup menu Bottom Margin The Bottom Margin menu item allows you to set the number of blank lines left at the bottom of the report page...

Страница 45: ...ems allows you to define custom reports with system and data fields of your own choosing There are ten programmable reports available in the system Four report formats are pre defined but may also be...

Страница 46: ...ounts CPM or Net CPM Limit Action Limits Warning and Alarm defined in counting procedure See Action Limits on page 27 3 6 4 MeV Procedure Activity Alpha activity for region from 3 to 6 4 MeV is printe...

Страница 47: ...te 3 to 5 0 MeV region no background subtraction Net CPM Alpha counts per minute 3 to 5 0 MeV region with background subtracted Activity X Sigma Total uncertainty associated with above alpha 3 to 5 0...

Страница 48: ...ute no background subtraction Activity X Sigma Total uncertainty associated with above Radon background region Procedure Activity Gross Counts or CPM Decision Level Report decision level for above Rad...

Страница 49: ...y to accept and return to the Define Report menu to make additional items selections 7 Press the Cancel key to return to the Select Report menu Select Field The Select Field menu item allows you to se...

Страница 50: ...to accept and advance to the next question 9 If the report contains more empty fields to be defined a Report Decision Level menu will appear Decision level is 1 645 times sigma Select No or Yes and t...

Страница 51: ...ey again to return to the Select Report menu Group Summary The Group Summary menu item enables the printing of an overall group summary line at the end of the sample data on the selected report To sel...

Страница 52: ...Enter key 5 The cursor will identify the current selection 6 Select Print Header mode desired OFF Disable or ON Enable and then press the Enter key to return to the Define Report main menu 7 Press th...

Страница 53: ...d source the next menu allows you to declare the source as Undefined an Alpha Standard Beta Standard Gamma Standard or Background Blank Selecting Undefined clears the previous definition completely Us...

Страница 54: ...ss the Enter key 3 Using the arrow keys position the cursor to select the desired source to edit and then press the Enter key 4 Using the Enter key advance to the half life prompt 5 Using the numeric...

Страница 55: ...estion Select 1 No if the change was an error or 2 Yes to save the change s made Source Calibration Day To enter the calibration day of the month 1 Press the Setup key 2 Using the arrow keys position...

Страница 56: ...Time The Calibration Time menu item allows you to enter the calibration time for a source including hours minutes and seconds from 00 00 00 to 23 59 59 Default time is 00 00 00 Source Calibration Hou...

Страница 57: ...tion Select 1 No if the change was an error or 2 Yes to save the change s made Source Calibration Second To enter the calibration seconds value 1 Press the Setup key 2 Using the arrow keys position th...

Страница 58: ...0 V to 1250 V The unit will default to the last set value Note Changing the guard detector high voltage will invalidate all current system calibration procedures This does not impact gain calibration...

Страница 59: ...reshold 1 Press the Setup key 2 Using the arrow keys position the cursor to item 8 in the menu Detector Parameters and then press the Enter key 3 Using the arrow keys position the cursor to item 2 Gua...

Страница 60: ...el key will return to the Detector Parameters Menu Sample Det HV The Sample Det HV menu item allows you to set the sample detector high voltage from 0 V to 150 V The unit will default to the last ente...

Страница 61: ...n To enter a Sample Det Threshold 1 Press the Setup key 2 Using the arrow keys position the cursor to item 8 in the menu Detector Parameters and then press the Enter key 3 Using the arrow keys positio...

Страница 62: ...nu item initiates an automated sample detector gain adjustment The system uses a successive approximation technique for adjusting the sample detector channel amplifier gain to place the upper edge of...

Страница 63: ...justment Upon accepting the gain adjustment the system will restack the carriers if the auto restack feature is enabled See Auto restack on page 68 Note The iMatic will always be able to make a proper...

Страница 64: ...the calibration definition will prompt the user to enter a carrier number containing the calibration source for the associated procedure A special group plate labeled CAL must be inserted in the carri...

Страница 65: ...o the first procedure Move the cursor to the calibration procedure to be edited and then press Enter Move the cursor to the calibration parameter you want to change and then press the Enter key Edit C...

Страница 66: ...key 2 Using the arrow keys position the cursor to item 9 in the menu Define Calibrations and then press the Enter key 3 Using the arrow keys select the calibration 1 through 10 and then press the Ente...

Страница 67: ...y 5 Using the arrow keys position the cursor to item 1 Count Time and then press the Enter key 6 Enter the a efficiency measurement time in minutes Default value is 1 minute Press the Enter key to acc...

Страница 68: ...fault value is 10 Press the Enter key to accept and automatically advance to the next question in the Cal Parameters definition 8 Select the efficiency source Press the Enter key to accept and automat...

Страница 69: ...ff 6 Completing the Auto Cal Sequence Start menu will bring up a Save Changes question Select 1 No if the change was an error or 2 Yes to save the change s made To execute all defined calibrations mak...

Страница 70: ...arrow keys position the cursor to item 10 in the menu Define QC Procedures and then press the Enter key 3 Using the arrow keys position the cursor to item 2 Daily Bkg Params and then press the Enter k...

Страница 71: ...d then press the Enter key 5 Enter the daily efficiency measurement time in minutes Default value is 10 minutes Press the Enter key to accept and automatically advance to the next question in the Dail...

Страница 72: ...xt question in the Daily Eff Parameters definition 6 Enter the number of times the individual daily b efficiency measurement is to be counted Default value is 1 Press the Enter key to accept and autom...

Страница 73: ...he Select Day of Week menu is displayed Using the arrow keys position the cursor to select the current Day of the Week and then press the Enter key Pressing the Enter key will automatically advance to...

Страница 74: ...g the arrow keys position the cursor to item 11 in the menu Set Date Time and then press the Enter key 3 Using the Enter key advance to the Enter Hour 0 23 prompt 4 The Enter Hour menu is displayed Us...

Страница 75: ...etup Menu Define Users The Define Users menu allows you to add delete or edit user information for the supervisor and up to nine users Note The iMatic Security system assumes that the Supervisor has a...

Страница 76: ...f the sample changer at the end of counting 13 Auto restack Enable Auto restack 1 OFF 2 ON 1 To set auto restack press the Setup key 2 Using the arrow keys position the cursor to item 13 in the menu A...

Страница 77: ...start second Press the Enter key and return to the main menu 7 Press the Cancel key at any time to return to the Setup Menu Clear QC Log The Clear QC Log menu allows you to clear QC data from interna...

Страница 78: ...Enable 1 Off 2 On Output Modes Eight types of output modes are available to select from 1 To select an Output Mode press the Setup key 2 Using the arrow keys position the cursor to item 16 Data Outpu...

Страница 79: ...ata from the sample group count is then transferred via iLink into a Microsoft SQL Server Database The count data is automatically deleted from the unit s internal memory after printing and transfer i...

Страница 80: ...ecome disabled either by user choice or in response to a printer error condition If while printing a printer error occurs you are given the choice of disabling the printer If the printer is disabled i...

Страница 81: ...a region of the MCA Using these settings will allow the user to test the proper operation of the system electronics should the need ever arise Pulser Amplitude The Pulser Amplitude menu item allows yo...

Страница 82: ...hen press the Enter key 3 Using the arrow keys position the cursor to item 2 Pulser On Off and then press the Enter key 4 Enter the appropriate selection to turn the pulser On 1 or Off 2 and then pres...

Страница 83: ...e when the iMatic system is idle LCD ADJUST Angle Up Dn Backlight Lt Rt To adjust the LCD 1 With the system in the idle state press the Display key 2 Use the Up and Down arrow key to vary the viewing...

Страница 84: ...results of a completed count can be reviewed by pressing the View key and selecting View Sample Data The Up arrow key selects the first count results in memory while the Down arrow key selects the la...

Страница 85: ...ormation Each press of the View key advances the display to the next presentation format in a circular manner Pressing the View key again will return the screen to the default display format showing t...

Страница 86: ...characterized by the X axis appearing in the middle of the Y axis allowing negative data to appear below the X axis The left right up and down arrows modify the full scales the same as in the Raw Spec...

Страница 87: ...then press Enter The system will display all QC data points currently stored in the instrument The following column information is displayed for each data point View QC Data Date Data Description Sta...

Страница 88: ...eing inadvertently over written if the device detects that the selected procedure s iteration will exceed the 500 record limit the iMatic will halt operation and display an Insufficient Memory error m...

Страница 89: ...rinter OFF 3 Select Grp Rpt 4 System Reports Print Selected Group Report This print menu item allows you to first select a procedure sample analysis calibration and QC as an identifier of which groups...

Страница 90: ...ff Calibration P Bkg Calibration 4 System Reports Print System Reports This print menu item allows you to print System reports System reports include System Parameters A complete printed listing of al...

Страница 91: ...ss Cancel to Terminate PRINTER FAULT 1 Re try 2 Cancel Print 3 Printer OFF Report Competed Press Cancel 2 Proc Params Printing ReporProct Press Cancel to Terminate PRINTER FAULT 1 Re try 2 Cancel Prin...

Страница 92: ...ations Once the system gain calibration has been established the system background performance and efficiency are then measured The resultant background and efficiency values are unique to the selecte...

Страница 93: ...pt the user with the selected source type alpha beta or background blank Pre defined standards will default to the appropriate type of emitter 5 To modify the radionuclide name use the up down arrow k...

Страница 94: ...calibration source or press the Cancel key to return to the Setup Menu Selecting Output Mode To select the output mode perform the following steps 1 From the home screen iMatic idle and date and time...

Страница 95: ...ndividual efficiency measurements Press the Enter key to accept and automatically advance to the next question in the calibration definition 12 Select the a efficiency source Press the Enter key to ac...

Страница 96: ...ns as efficiency values are background corrected Background however may be performed independent of efficiencies After all calibration procedures are defined the system is ready to perform the calibra...

Страница 97: ...cept and store a calibration then press the Enter key 8 To reject the efficiency measurements only press 1 The background measurement will be retained and the system will be ready to recount the effic...

Страница 98: ...o the procedure you choose to use for this batch of samples 3 Place a SAFETY in the left stack on top of any other plates including the END plate 4 Place the group plate to the right of the two blank...

Страница 99: ...kground Alpha Efficiency and Beta Efficiency to flag results that should be reviewed by the supervisor The QC Warning feature compares the daily measurement to the QC chart reference parameter If the...

Страница 100: ...ty menu sequence resets the system lockout The supervisor would then enter their password and reselect the desired security level The QC Lockout feature is disabled if the system security level is set...

Страница 101: ...cuss the details of the algorithm in detail beyond what is required to optimize the results The steps performed by the algorithm are summarized below 1 Use built in logical test to determine if the Po...

Страница 102: ...are consistent with the post decay measurements Potential Problems There are several pitfalls that can cause problems with the analysis of samples The possible issues are numerous Old Firmware Versio...

Страница 103: ...having been performed The gain is set at the factory using an Am 241 radioactive standard source physically identical to the AM50MM available from Mirion Technologies Canberra The AM50MM is an electro...

Страница 104: ...ation issues not resolved following the recommendations included in this application note When performing the gain calibration the iSOLO or iMATIC automatically adjusts the gain so the upper edge of t...

Страница 105: ...rrect distance from the detector Figure 9 SH CAL Holder for iSOLO Figure 10 IS CAL Holder for the iMATIC Analysis Calibrations All iSERIES come from the factory calibrated with calibration 10 preconfi...

Страница 106: ...use the calculated activity to be off by a fixed factor When comparing compensated results to known values of radioactivity it is important to understand if the values are correct consistently wrong o...

Страница 107: ...re are no documented cases of a user getting an incorrect result strictly from counting a sample too soon In practice the 10 minute aging time may be a theoretical rather than a practical limitation C...

Страница 108: ...se of the radon progeny It typically takes much longer for thoron to build up on a filter than does for radon The ThB activity collected on the filter would increase with time until equilibrium is rea...

Страница 109: ...iSERIES Algorithm Figure 13 24 Hour PTFE Air Filter Tenth Count Figure 14 25 Hour PTFE Sample 300 Minutes after Collection iMatic Automatic Counting System User s Manual 9239221K 101...

Страница 110: ...vity due radon As a general rule radon equilibrium is reached in a few hours and thoron equilibrium is reached in a few days Filter Media Selection The iSERIES is designed to use all standard filter m...

Страница 111: ...chrom Resolve 16 30 In addition to the results immediately after collection the difference in results is still significant after 60 minutes Table 3 One Hour Delay Comparing GF and PTFE Alpha 3 6 4 MeV...

Страница 112: ...Table 2 and Table 3 Table 4 Comparison of Std and Low Regions Alpha 3 6 4 MeV Alpha 3 5 MeV Glass Fiber Model LB5211 A O 170 100 PTFE 16 5 Glass Fiber Model LB5211 A O 89 53 PTFE 4 2 The more restrict...

Страница 113: ...system must be able to place the peak channel of the Am 241 standard in channel 133 In the case of Figure 17 the gain had been set too high The blue peak is actually from Po 214 7 68 MeV and should be...

Страница 114: ...he gain is set correctly for a given sample matrix use the natural radon progeny found on a freshly collected sample to set the gain manually iLINK software must be used if the system gain calibration...

Страница 115: ...the 7 68 MeV Po 214 is clearly seen After the count completes choose the counted batch and sample and choose the Spectral View tab Figure 19 Be sure the radio button is selected Press the button to s...

Страница 116: ...re 20 Save As Dialog for Export The data will need to be imported into Excel From the Files of type list box select Text Files as shown in Figure 21 If prompted choose delimited as the data type Figur...

Страница 117: ...ring Radon should fall into channels 195 199 which correspond to columns GN GR Figure 23 shows the data in Excel with a peak in channel 196 If the peak is higher than 199 the gain should be lowered If...

Страница 118: ...p 2 Create Personality Backup To manually modify the gain first export the system personality to the XML format as described in the iLINK User s Manual Step 3 Edit Personality Important Make a backup...

Страница 119: ...be followed by a number between quotation marks This number is the gain applied from the gain calibration Change this number up or down depending on where the Po 214 peak is falling in reference to ch...

Страница 120: ...d Filter Time Series Test Air samples taken with added activity are counted for 10 minutes with multiple repeats to determine that the true activity of the sample is the same when radon thoron progeny...

Страница 121: ...tandard PC based communications program such as HyperTerminal This feature greatly enhances the ability to upgrade the iSeries products in the field Setting Up HyperTerminal This section contain the i...

Страница 122: ...connection as iSeries as shown in Figure 27 Figure 27 Entering a Connection Name 3 Choose to connect using COM1 or COM2 as necessary as shown in Figure 28 Figure 28 Choosing the Communication Port 114...

Страница 123: ...bits No parity 2 stop bits No flow control Using the Flash Loader Utility This section contain the instruction necessary to use the Flash Loader Utility 1 Connect an RS 232 cable between the rear pane...

Страница 124: ...t The following message in the HyperTerminal window indicates that the instrument entered the iSeries Flash Loader Utility program and identified the flash memory 4 Entering an H will bring up the Hel...

Страница 125: ...ansfer Send File from the HyperTerminal menu as shown in Figure 30 Figure 30 Transferring Files 7 Select the file to be sent and Xmodem Protocol as shown in Figure 31 Figure 31 Selecting the File to T...

Страница 126: ...are upgrade is significant the Master Clear sequence will happen automatically The Master Clear InitProtRAM InitUIDs EraseSpectrum and Power On Self Test Passed messages should appear sequentially alo...

Страница 127: ...wrench 7 64 inch hex Allen wrench 9 64 inch hex Allen wrench 2 Phillips screwdriver Needle nose pliers Supplies Canberra AM50MM 241 Am 50mm distributed source or equivalent Canberra AM50MM 90 Sr 90 Y...

Страница 128: ...up or down an incline Remove all lead from the unit when it is to be picked up with a forklift or hoist Site Selection Physical Requirements An area approximately 150 cm 5 ft wide 180 cm 6 ft deep and...

Страница 129: ...ical of large motors and heavy machinery Excessive electrical noise either conducted or radiated will increase the system background levels The system must be connected to a properly grounded outlet t...

Страница 130: ...Note Use proper lifting technique to avoid personal injury If the optional mobile cart was purchased with the instrument then with two people carefully remove the system from the shipping crate and pl...

Страница 131: ...cap screws from the back and the two 6 32 x 3 8 in socket head cap screws from the side with a 7 16 inch Allen wrench and lifting up on the rear cabinet Place the rear cabinet aside Carefully remove...

Страница 132: ...re different the wider flange on the mast mounts to the right when facing the unit from the front Attach the U shaped brackets to the top of the mast as shown in Figure 36 Figure 36 Mounting the Sampl...

Страница 133: ...quadrant is flat 2 each Top Bottom Ring Note the 45 degree bevel faces away from the shield assembly 1 each Center Middle Note the cutout for the sample changer slide 2 each Left Right Side This part...

Страница 134: ...with the annular projections facing upward and the flat quadrant towards the rear of the instrument After installing the Bottom Ring and each Flat Ring ensure that the holes in the lead parts align wi...

Страница 135: ...ight Rear brick and secure with the Thumb Screws Refer to Figure 38 Figure 38 Installing the Center Left and Right Shield Sections Step 3 Install four top layer Flat Rings with the annular projections...

Страница 136: ...completed assembly using the four 5 8 in 11 x 14 in bolts Note that the 5 8 in metal washer goes directly under the head of the bolt and that the 5 8 in fiber washer goes between the metal washer and...

Страница 137: ...and mounting assembly Directions may be reversed for removal Step 1 Remove the Left and Right Rear bricks from the lead shield If the PIPS Detector Mounting Assembly had been previously installed rem...

Страница 138: ...tector Refer to Figure 42 Figure 42 Installing the PIP Detector to the Installation Base Step 3 With the base detector assembly on a sturdy flat surface carefully position the open end of the detector...

Страница 139: ...nector is centered on the mating connector of the PIPS Detector Mounting Assembly Rotate the installation tool clockwise until the detector is firmly seated Remove the insertion tool by pulling outwar...

Страница 140: ...d secure with two 6 32 x 3 8 in screws and lock washers Refer to Figure 45 Figure 45 Installing the Scintillation Detector Step 6 Reinstall the Left and Right Rear bricks being careful not to apply fo...

Страница 141: ...larger rear cabinet over the unit and ensure that the cabinet rests firmly on the base plate Secure the cabinet with four 6 32 x1 2 in socket head cap screws from the back and the two 6 32 x 3 8 in so...

Страница 142: ...9 1 Mount the interface bracket to the mobile cart using two 3 8 in 24 x 4 in SHCS 2 Attach the support arm base to the interface bracket using two M6 X 25 mm LG HHCS 3 Mount the monitor to the suppor...

Страница 143: ...llation of Unit The height of the support arm can be adjusted by loosing the plastic knob Figure 49 Installing the Monitor Support Arm Front View iMatic Automatic Counting System User s Manual 9239221...

Страница 144: ...and rotating counterclockwise 90 degrees while lightly pressing inward Insert three D size NiMH batteries into each battery holder with the positive terminals of all batteries pointing outward Reinsta...

Страница 145: ...system will be installed and select the side of the system that will allow room for the printer shelf to extend out when it is in the raised position Mount the printer shelf to the mobile cart using...

Страница 146: ...ve manufacturers AC Power Connection Connect the power cable from the external iMatic power supply module to a receptacle on the ac power distribution box Connect the 12 V dc cable from the external p...

Страница 147: ...move particles that might cause scratches in the subsequent cleaning steps Then use swabs Texwipe model TX762 moistened with Propanol 2 Avoid excess wetting of the swabs Wipe very gently from the edge...

Страница 148: ...life and will self discharge over time even if the unit is off It is recommended that they be left in the iMatic and that the iMatic be plugged in whenever possible to maintain full battery charge Typ...

Страница 149: ...Detector ParametersUnique IDsRealtime Clock Master Clear Corruption of the protected memory is typically caused by a dead backup battery different from the primary power batteries or when a replacemen...

Страница 150: ...c will not allow local changes to be made during the transfer of parameters from iLink to the iMatic During especially long transfers from iLink to iMatic you may see Communication Lock System in Use...

Страница 151: ...set at 10 Alpha 0 08 cpm guaranteed 0 05 cpm typical Beta 0 75 cpm guaranteed 0 60 cpm typical Note Alpha background for 3 0 MeV to 9 6 MeV and Beta background for 125 keV to 2 2 MeV EFFICIENCY Guara...

Страница 152: ...ZE Height x Width x Depth 50 sample table top 75 x 58 x 76 cm 29 5 x 23 x 30 in H x W x D 100 sample table top 124 x 58 x 76 cm 49 x 23 x 30 in H x W x D Cart with casters 76 x 58 x 76 cm 30 x 23 x 30...

Страница 153: ...t RS 232C Used to connect the iMatic to a computer or data logger for data transfer and for use with iLink Accessories Supplied RS 232C CABLE 1 8 m 6 ft Ac Dc Power Converter Auto sensing 100 240 V ac...

Страница 154: ...ption to the PIPS detector as discussed in the appendix Technical Reference on page 139 there are no internal adjustments or maintenance required Operating Protection Impairment Mirion Technologies Ca...

Страница 155: ...to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates...

Страница 156: ...Notes 148 iMatic Automatic Counting System User s Manual 9239221K...

Страница 157: ...86 Calibration source calibration date and time 46 calibration time calib source 48 editing original blank source 45 editing previously defined source 45 Changing analysis parameters 72 NiMH batterie...

Страница 158: ...4 Loading sample carriers 15 LPT timeout 37 M Measuring alpha beta backgrounds 88 Measuring alpha beta efficiencies 88 Memory backup battery 140 corruption 141 Method blank enabling 28 Modifying calib...

Страница 159: ...tup 70 Define Calibrations 55 Define Procedure 20 Define QC Procedures 61 Define Report 37 Define Std Sources 44 Define Users 67 Delete Data 18 Detector Parameters 50 Set Analysis Parms 72 Set Date Ti...

Страница 160: ...Notes 152 iMatic Automatic Counting System User s Manual 9239221K...

Страница 161: ...THERWISE SHALL APPLY IN NO EVENT SHALL WE HAVE ANY LIABILITY FOR ANY SPECIAL EXEMPLARY PUNITIVE INDIRECT OR CONSEQUENTIAL LOSSES OR DAMAGES OF ANY NATURE WHATSOEVER WHETHER AS A RESULT OF BREACH OF CO...

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