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ORTEC Micro-Detective-HX, Operation Manual

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ORTEC Micro-Detective-HX Operation Manual Download Page 28

ORTEC Micro-Detective

®

-HX Human Portable Radiation Detection System — Operation Manual

18

Fig. 14.  The Micro-Detective-HX.

!

INPUT POWER — supplies external power for operating the HX and recharging the
internal battery.

3.2.1.  The On/Off Button

The computer’s On/Off button is on the bezel below and right of the touchscreen. The computer
operates independent of the mechanical cooler (which is controlled by the HX software
application). 

To turn on the computer, press and release the On/Off button. Boot-up can take 1 minute or
more. See Section 3.3 for detailed startup information.

Turning off the computer requires the administrator password; see Section A.2.

CAUTION

Each connector includes a dust cover, which should be closed when that
connector is not in use.

Summary of Contents for Micro-Detective-HX

Page 1: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual Printed in U S A ORTEC Part No 931062 0212 Manual Revision J...

Page 2: ...that a Return Authorization Number can be assigned to the unit Also ORTEC must be informed either in writing by telephone 865 482 4411 or by facsimile transmission 865 483 2133 of the nature of the f...

Page 3: ...tch on the side panel which can be opened when the battery requires replacement breaking the seal on the case voids your warranty The Micro Detective HX should be opened only by ORTEC authorized servi...

Page 4: ...iv...

Page 5: ...4 Overview of Radiation Monitoring and Measuring 8 2 4 1 How the HX Collects and Analyzes Data 8 2 4 2 General Usage 9 2 5 Alarms and Alarm Handling 10 2 6 Data Storage and Management 13 2 6 1 ICD1 IC...

Page 6: ...laying Hiding the Identification Confidence Level 28 Displaying Hiding the Histogram During Long and Fixed Sampling and in Replay 28 Displaying Simplified or Detailed Hardware Status 30 Displaying Hid...

Page 7: ...maVision Cannot Find the HX HPRDS Qualified Unit Only 60 8 6 If The Error Amber LED Lights 60 8 6 1 HX Error Messages 60 8 7 If You Remove the Memory Card During A Survey and the Amber System Error Do...

Page 8: ...anual viii APPENDIX B HX RADIONUCLIDE LIBRARY 73 B 1 Innocent Identifications 73 B 2 Threat Identifications 73 APPENDIX C SPECIFICATIONS 77 C 1 Electrical and Mechanical 78 C 2 Connectors 79 C 3 PC Pr...

Page 9: ...n is not observed CAUTION Indicates a hazard that could result in property damage if the safety instruction is not observed In addition the following symbols may appear on the product DANGER High Volt...

Page 10: ...x...

Page 11: ...it to either the adaptor charger or a 12 V dc power source The instrument periodically adjusts its calibration based on naturally occurring K 40 Experienced spectroscopists can use the LCX expert iden...

Page 12: ...o the following on survey files downloaded to the PC Export all the spectra in an ICD1 ICD2 file pair to a set of ORTEC CHN format spectrum files The CHN files can then be viewed and analyzed in more...

Page 13: ...ation display options and advanced features and set the communication mode for the USB port Figure 30 page 35 shows the menus and commands that require a password In addition the HX has two radionucli...

Page 14: ...s See Section 3 3 4 for more information Advanced features and power off are password protected A password is required to access the Advanced and Comm menus and to power off the HX For instructions on...

Page 15: ...reat yellow suspect green innocent and amber error For more information on alarms and alarm indicators see Section 2 5 Status Readouts Indicators at the top of the screen Fig 3 that show the current d...

Page 16: ...only a section displaying the last four digits of the HX serial number software and firmware versions the date the next background measurement must be performed the GPS coordinates and the date and ti...

Page 17: ...soft S button a 1 is entered in the field above the number pad To move the highlight through the numbers and the Done and Clear buttons press the N button or tap the N soft button Note that the N but...

Page 18: ...ation spectra that are also analyzed for alarms in real time In Long Samples a single spectrum is acquired for 30 seconds or more and is analyzed once per second for alarms Fixed Samples are treated s...

Page 19: ...tem errors trigger alarms cause the amber LED to flash and if enabled activate the audio and vibratory alarm signals Users with password access can unmark Suppress IDs to display IDs and alarms on the...

Page 20: ...tory alarms if enabled and frees the software to perform the next desired function IT DOES NOT CLEAR THE CONDITION THAT CAUSED THE ALARM The radiation condition causing the alarm must be considered pr...

Page 21: ...n LCX Mode Only Fig 10 Innocent Alarm green identification and flashing LED Fig 11 Personnel Radiation Hazard Alarm yellow radiation trefoils all LEDs flash Fig 12 System Error Alarm Status Not Ready...

Page 22: ...ocents I Suspect alarms are generated exclusively in the LCX identification mode which is designed for use only by experienced spectroscopists Section A 5 Innocent This indicates a high confidence ide...

Page 23: ...ormed see also Section 2 4 1 The ICD2 file contains the analysis of the survey data The ICD1 ICD2 file pairs are stored on the provided memory card in the Data folder As the card approaches its storag...

Page 24: ...erated For more information on naming and saving survey data see Section 5 5 1 2 7 Cautions and Operating Limits Remember that there are no user serviceable parts inside the HX main enclosure Opening...

Page 25: ...1 For best results we recommend that you not allow the instrument s internal battery to become exhausted The HX cooler is designed for years of continuous operation so there is no need to turn it off...

Page 26: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 16...

Page 27: ...to know to ship the HX or take it aboard commercial carriers Technical note Long Term Storage Instructions P N 932722 which amplifies the storage information in Section C 4 In addition if you purchas...

Page 28: ...bezel below and right of the touchscreen The computer operates independent of the mechanical cooler which is controlled by the HX software application To turn on the computer press and release the On...

Page 29: ...place the SD card press it gently into the slot until it clicks into place To replace the CF card seat it gently but firmly against its contacts Do not use force Replace and tighten the protective cap...

Page 30: ...cooler and hardware status as the detector cools down Section 3 3 3 Configure the background settings and measure the site background Section 3 3 4 Set radiation alarm thresholds and dose rate units S...

Page 31: ...s well You must press or tap the S button once for each alarm to acknowledge them before you can navigate to the menu that contains the Cooler On Off command Note that the not ready status messages an...

Page 32: ...use the accompanying cooldown pad If you wish you can monitor the cooling process by selecting Main Menu Settings Status see Section 3 3 3 3 When the detector reaches operating temperature the bias v...

Page 33: ...3 GETTING STARTED 23 Fig 19 Detailed Status for Cooled and Ready Instrument Fig 17 All Error Alarms Acknowledged HX Not Ready Fig 18 Home Screen for Cooled and Ready HX...

Page 34: ...es that are causing an elevated background move the instrument to an area with a lower background or set a higher Max Bkg value The minimum acceptable background measurement time in minutes Bkg Acq Ti...

Page 35: ...e to the Main Menu then to Settings Advanced password Limits Bkg Acq Time Clear the existing period enter the new one in minutes and select Done 3 3 4 3 Setting the Background Update Interval The HX a...

Page 36: ...s Back command until you reach the Main Menu then select Home 3 3 5 Set the Radiation Alarm Thresholds and Dose Rate Units 3 3 5 1 Radiation Alarm Thresholds To change the maximum dose rate or radiati...

Page 37: ...m the Home screen navigate to Main Menu Settings Advanced password Other Password Clear the current entry enter the new password then select Done To put the new password into effect back out to the Se...

Page 38: ...tions The Options menu Fig 24 allows you to control various data display options as well as access the expert LCX identification mode which is discussed in Section A 5 Navigate to Main Menu Settings A...

Page 39: ...n logarithmic Log and linear Lin vertical scaling and move the histogram window s green marker line to view the energy and count information for individual spectrum channels Figure 24 shows the variou...

Page 40: ...and make sure the Details item is check marked To view only the OK ERR indicators unmark Details Figure 19 on page 23 shows the detailed status screen Displaying Hiding Alarm Color on the Screens The...

Page 41: ...e scrollbar or use the arrow buttons to move through the list tap to highlight the desired nuclide then tap Toggle The buttons on the handle only allow you to scroll through the nuclides To return the...

Page 42: ...ere is no need to turn it off except for shipping and maintenance You can turn the cooler off for a brief period e g 10 20 minutes without significantly warming the detector As soon as the cooler is r...

Page 43: ...ss or tap the N button to move the reverse video highlight to the desired item then press or tap the S button Alternatively you can tap the menu item directly A password is required to access the Comm...

Page 44: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 34 Fig 29 HX Program Menu Structure Default Mode No Password Required...

Page 45: ...3 GETTING STARTED 35 Fig 30 HX Program Menu Structure Administrator Access Password Required...

Page 46: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 36...

Page 47: ...taking background measurements displaying or hiding the survey spectra adjusting the audio and vibratory alarm volume and other software setup topics see Section 3 4 Cautions and operation limits To...

Page 48: ...ing and identifying these materials If you move the HX until it can no longer detect the radiation source that ID will be removed from the screen However the alarm posted at in the message area will p...

Page 49: ...terval is assigned the alarm color For simultaneous alarms the chart displays the color of the highest priority alarm The SNM Index is a function of the maximum confidence factor for all SNM indicator...

Page 50: ...y peaks of increasing height If activity is significant alarms will post in the message area at the bottom of the screen and identifications will be displayed in the real time ID area See Fig 35 If a...

Page 51: ...0 seconds or more and is analyzed once per second for identifications and alarms During Long Sampling you can choose to view a histogram if the Spectrum display option has been enabled see page 28 Thi...

Page 52: ...xed Sample Screen This test mode is a subset of Long Sampling It allows you to collect samples at fixed intervals of 5 10 15 20 25 30 60 120 or 300 seconds To enter Fixed Sample mode from the Detect s...

Page 53: ...y the longer the processing time before the End Survey report is displayed 5 5 1 Saving the Survey Files Figure 40 shows the Filename screen To save the survey using the default filename press or tap...

Page 54: ...sis generates an ID the appropriate alarm s is posted as soon as you tap End Survey At the same time every nuclide identified during the survey including IDs from all rolling window analyses Long Fixe...

Page 55: ...alarm then move away from the Am 241 for a few seconds When the activity based on the rolling window analysis drops below the alarm threshold the red LED stops flashing and the Am 241 ID drops off th...

Page 56: ...ult filename The End Survey screen Fig 43 shows the following 1 threat red ID for Am 241 1 innocent green ID for Na 22 1 innocent green ID for Y 88 1 innocent green ID for Th 232 which was finally fou...

Page 57: ...rker information are discussed on page 28 6 1 Overview Briefly as indicated in Fig 44 Replay allows you to 1 Load a survey file pair 2 View information for the file you are viewing including the filen...

Page 58: ...45 Tapping the header on the Name column sorts the surveys by filename in ascending or descending order You can also change column width by tapping and dragging the right hand divider of each column I...

Page 59: ...corresponding Graph or IDs are shown depending on the display mode selected on the bottom section of the screen 6 4 2 IDs This section of the screen lists the nuclides found if any including the thre...

Page 60: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 50 Fig 46 Long Sample IDs Compared With IDs in Replay Fig 47 Long Sample Histogram Compared With Histogram in Replay...

Page 61: ...6 REPLAY REVIEWING SAVED SURVEY FILES 51 Fig 48 Comparison of Survey Background File in Replay and in the HX Offline Analysis Program...

Page 62: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 52...

Page 63: ...ansfer files directly from the HX to a PC you must enable the HX USB port To do this navigate from the Home screen to Main Menu Comm password and select ActiveSync to mark it with a checkmark External...

Page 64: ...the Mobile Device Settings IMPORTANT Remember that the HX is not to be used for purposes beyond the monitoring tasks described in the user manual and no changes should be made to the operating system...

Page 65: ...is is the first time the HX has been connected to this PC Windows will display a series of Found New Hardware messages indicating a mobile device i e the HX s computer has been detected The Synchroniz...

Page 66: ...wizard the ActiveSync dialog will indicate the HX computer is Connected Fig 53 5 You can now click on the Explore toolbar button in the ActiveSync dialog to open Windows Explorer and view the new con...

Page 67: ...When File Transfer Is Complete To return the HX to standalone service simply disconnect it from the USB cable IMPORTANT To remove survey files from the memory card use the HX s Clear Data Section A 4...

Page 68: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 58...

Page 69: ...are Power then select Power Off Wait 5 seconds then turn the unit back on This should reset any mechanical relays that might have been deactivated by the drop Inspect the exterior for evidence of mech...

Page 70: ...nd the HX HPRDS Qualified Unit Only If properly installed and functioning GammaVision software cannot find and communicate with the HX Make sure the HX is in External mode Section A 1 Make sure the US...

Page 71: ...hen use Clear Data command to permanently delete all data files from SD card Section A 4 Data Card Full Missing Data card is full or has been removed From Home screen insert memory card with available...

Page 72: ...et Perform background check Section 3 3 4 If error persists contact ORTEC Test Error Alarm System error alarm test disregard this alarm Silence with Stop All command Section 3 4 1 1 8 7 If You Remove...

Page 73: ...X from the PC If such an entry exists reconnect the HX right click on the Unknown Device select Uninstall and confirm that you wish to uninstall the instrument Disconnect the HX from the PC Download a...

Page 74: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 64...

Page 75: ...return to normal operation mode All HPGe detector settings will be restored to the values in use before External mode was used A 2 Power Off This command shuts down the HX computer and detector high v...

Page 76: ...l than the normal mode This results in more hits on suspected threat nuclides Although detection is arguably improved in LCX mode the false alarm rate will increase to a level unusable for many applic...

Page 77: ...A 7 Changing the Internal Battery The typical service life of the HX 14 4 V lithium ion battery is 3 5 years When the internal battery no longer retains a charge it must be replaced with the appropria...

Page 78: ...ff the connector terminals located at the lower rear of the com partment Figure 58 shows the pull tab on the front side of the battery and the connector terminals on the lower back edge 6 Guide the ne...

Page 79: ...on number should be greater than the currently installed version From the Home screen navigate to Main Menu Advanced password Hardware and select Exit Program This will close the HX software and displ...

Page 80: ...k the currently installed software version restart the software application by tapping the upper left Start button then HPRDS see also Section A 6 The SD card might not be inserted correctly see the i...

Page 81: ...STRATOR LEVEL FEATURES 71 In the list of files and folders under My Device tap the folder representing the SD card i e SD MM Card Storage Card SD Card etc Tap the 2577 folder then tap the Autorun file...

Page 82: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 72...

Page 83: ...76 NORM Ra 226 Daughters b Ra 226 NORM Th 232 Daughters b Th 232 NORM B 2 Threat Identifications Nuclide ID Display Name Nuclide Type Ac 225 Ac 225 Medical Ac 227 Ac 227 Industrial Ag 110m Ag 110m Ind...

Page 84: ...l Cs 131 Cs 131 Medical Cs 134 Cs 134 Industrial Cs 137 Cs 137 Industrial Cu 64 Cu 64 Medical Eu 152 Eu 152 Medical Eu 154 Eu 154 Medical Eu 155 Eu 155 Industrial Eu 156 Eu 156 Industrial F 18 F 18 Me...

Page 85: ...dustrial Nb 95 Nb 95 Industrial Nb 96 Nb 96 Industrial Nd 147 Nd 147 Industrial Neutron emitter Neutrons Weapon Indicating Neutrons on Fe Neutrons on Fe Weapon Indicating Neutrons on Hydrogen Neutrons...

Page 86: ...Tc 99m Medical Te 132 Te 132 Industrial Th 229 Th 229 Industrial Th 230 Th 230 Industrial Tl 200 Tl 200 Industrial Tl 201 Tl 201 Medical Tl 202 Tl 202 Medical Tl 204 Tl 204 Industrial Tm 170 Tm 170 M...

Page 87: ...a dose rate range of around six decades For low dose rates below 20 Sv h the dose rate is determined from the Ge detector spectrum For dose rates above this value the internal compensated GM tube is u...

Page 88: ...of the instrument Stored Spectrum Memory The HX can store search and spectrum files on removable SecureDigital and CompactFlash cards The available storage readout in the upper right corner of the sc...

Page 89: ...the HX cooler it cannot cool a warm detector to operating temperature external power is required Note that using an automobile battery to cool the detector can significantly discharge the auto battery...

Page 90: ...hich scavenge traces of residual material when cold and by an ion pump that operates when the instrument is powered up These two techniques maintain the system vacuum in peak condition during normal u...

Page 91: ...ivates the internal getters ensuring that the vacuum is maintained in good condition As well as maintaining the vacuum this procedure keeps the system battery topped up and also provides peace of mind...

Page 92: ...ORTEC Micro Detective HX Human Portable Radiation Detection System Operation Manual 82...

Page 93: ...ection and analysis 8 Data storage after file transfer 57 clear data delete all files 66 enabling the USB port 53 filename conventions 14 ICD1 ICD2 survey files 13 53 Detect survey mode 38 End Survey...

Page 94: ...SNM index 39 Operating limits 14 79 Operating systems Windows 2000 55 Windows 7 53 Windows XP 55 Password changing 27 default HX password 22 27 entering passwords 7 forgot password 60 Performance moni...

Page 95: ...cknowledged HX Not Ready 23 Fig 18 Home Screen for Cooled and Ready HX 23 Fig 19 Detailed Status for Cooled and Ready Instrument 23 Fig 20 Collect Background for At Least the Specified Minimum Time 26...

Page 96: ...el File Structure 55 Fig 52 Unmark All Synchronization Options 56 Fig 53 Connection Established 56 Fig 54 Exploring the HX Computer from the ActiveSync Window arrow indicates the memory card where the...

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