RDS-31 S/R Multi-purpose Survey Meter User`s Manual
Contents
1. Version Description of the mistake or problem Correction If you need more room please use attached pages Name Company Position Address Telephone Fax 38 39 402. 31 LITE PRO software and require a service 5 5 Shortcut functions The RDS 31 offers the Shortcut function to the user to ease the daily activities These functions can be configured with the CSW 31 software With the free version LITE of the CSW 31 software the menu functions in the 2 table below can be configured to the RDS 31 instrument With the CSW 31 PRO there are additional features that can be configured into the instrument Shortcuts With CSW 31 LITE there can be one ShortCut to the menu button only With the CSW 31 PRO the user can configure two shortcuts to both buttons and Note To avoid confusion and misuse of instrument the user should check with the CSW 31 software the programming of the ShortCut CSW 31 LITE 24 ShortCut Function Time ShortCut 1 Not In Use ShortCut 2 Not In Use ShortCut 3 Not In Use ShortCut 4 Long press of Pressing more than 2s With CSW 31 LITE there can be one ShortCut to menu button In addition the selection of choices is limited With the CSW 31 PRO the user can configure two short cuts to both buttons and allowing up to 4 different choices CSW 31 LITE ShortCut Function Operation ShortCut 4 Chirp set When activating Long press of the shortcut the display of the instrument goes into the menu item Chirp The normal button operations are allowed from this point onwards Maximum dose Whe
3. Note In case the Sequential dose alarm is activated and triggered the short pressing of either button has no other effect than to acknowledge the alarm and to mute the audible signal The display still shows the symbol AL ALARM and the triggered level while the condition continues To check the status of the sequential dose alarm 16 e Activate the menu Short and scroll Short s until e The display changes to DOS AL e Press shortly gt The current state of the dose alarm system is displayed lowest dose alarm level D OFF disabled To enable disable the Sequential dose alarm e Activate the menu Short and scroll Short s until e The display changes to DOS AL e Press shortly gt The current state of the dose alarm system is displayed lowest dose alarm level enabled D OFF disabled To change the state of the Sequential dose alarm system e While the current state of the dose alarm system is displayed press shortly and the display starts blinking e Select the desired state Jowest level or D OFF with short push note that only these values are blinking other values are shown without blinking indicating that they are not applicable for this function e Press an intermediate 0 The new state is activated Note Pressing the button returns to the First menu level displaying DOS AL and the configuration can continue from this location forward Note The alarm condi
4. an audible signal is heard The meter performs a self test function e All the display segments are lit The buzzer is activated The display backlight is switched on The battery condition is tested The HV generator is tested The presence of the RF link is checked and the connection is established e Incase the internal Real Time Clock is not set to the proper time a CLOCK message is displayed Switch off OFF To switch the instrument Off e Activate the menu Short e The display changes to blinking OFF e Press an intermediate 0 gt The display goes blank The instrument is now switched off The instrument has two push buttons In order to change the operational parameters of the instrument the menu must be activated see also the menu flow chart A short beep is audible when the push button is pressed See also the page 7 paragraph Using the buttons and Special features In order to activate the menu Press the button shortly the display changes to the first menu item e g OFF Release the button Now the menu is activated for 14 seconds and the menu items can be scrolled by pressing the button shortly In order to activate the menu item When the desired menu item is displayed press the button shortly and the desired menu item is activated If the push button is not pressed for 14 seconds after activating a menu item the menu and the menu item will be deactivated automatically and
5. dose rate With external probes additional units can be provided in the display depending on the external detector With external gamma detectors the same basic units can be used Sv h Sv rem h and rem With external pulse mode detectors GMP 11 15 the display can be configured to units cps com dpm Bq or Bqm representing Bg cm units The selected unit is indicated on the right side of the display The prevailing dose rate will be displayed within 10 seconds 5 2 Display illumination To switch the illumination on press the button once The display backlight is lit for 10 seconds Note The Backlight state will depend on the configuration and the ambient light condition Note Pressing the button will activate the backlight but it will also activate the Menu 10 5 3 Operating the instrument menu The actual Menu list is completely dependent on the existing instrument configuration This means that in the most basic form there are no items in the menu list that can be activated with the button operations even when using the Shortcut function Pressing the button will only illuminate the display and perform some internal functions The following table summarizes the first level of all the possible menu functions The user has the total freedom to optimize the instrument to the specific work by removing those menu components that are not necessary to the work so that the necessary functions can be reached eas
6. edi fciaetbasebancsnacdeoendnetenslad onl dda laetaeaestnadyteaspeiaediehyacdied 27 5 6 3 Dose rate alarm Blinking display oo cece cseeeeecteeteeecseeeceeeeeees 27 5 6 4 Dose alari hea cote ed aaesah wid tb acmnet uaa tie AERA 27 5 6 5 Dose rate Overflow alarm OFL cc ccceseescsseseescseeseeecseesecseseeeeseeeeees 27 BO OF Enmore Ei a r E e A E RAR ENRE 28 6 Configurable Parameters sssssss222 28 6 1 Display INUNHNAUONS si ates Sorel sos neha ica eee ete aaa etacat eee eat uhl 28 6 2 Show and reset cumulative dose DOSE cccccecesncceereenecnensnnenensans 29 6 3 Chirp on off and chirp rate CHIRP sssssssssssssnnnnnnnrnrsssssssssnnnsnnnne 29 6 4 Show and change dose rate alarm level DR AL ciiccessceenneennennnnennes 30 6 5 Show and change dose alarm level DOS AL ssssssssssssssssssssssnnsssrnne 30 6 7 Battery and display test DIAG ics oad 30 6 8 Histogram HISTO ssssssesssnssssssssnnnnnnrrrrsssnsssnnnnnnnnrrrrrrrrrrrsnssssnnns 31 6 9 Indication unit asasassenssanrrrnsnnrrrnrnrrrrrsnrrrrnrnrrrrnrnrrrrnznrrrrrrnrnrerr gt 31 7 Maintenance and Decontamination ssssssssssssuuunus2222000nnnnnnnn 32 8 RDS 31 specificationS ssssssss2221uu255 uuuuuuunnnnnnnnnnnnnnn 33 8 1 Radiological characteristics ciccssccccccccaneecenaneesenantenenannenenannenenannenans 33 8 2 Functional CharacteriStiCS a eseceerspirir rinn iri ed sein ed eins
7. eia 4 2 3 SWICH OFF OFF rer eeen T Ria ee a 4 3 Main parts of the RDS 3 1 sssssssssuuuus 22200uuunnuuuunnnnnnnnnnnnnnnnnn 4 3 1 Display of the RDS 31 sissserrinrirrrssrrrrrisrrrisrerrrererrroseisrisni treri re udaet 4 3 2 Connectors and strap ssssssssssssnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 5 4 Using the buttons and Special features ssssss222 7 4 1 Button pressing THVICS ha utecoiauabeksieysaletnsin ysl vavieg bale a e e eia 7 4 2 Normal usage Of the DUttONS cccsccccennesnecerenenecnenccnenseneannenennenseneans 8 4 3 Special feature Shortcut function sssssasarrrrsrnrrrrnrnrrrrrrnrrrrsrnrerre 8 5 Operation ais va siwncniaadwe ce kara ne cn wasn ween nmmnsamanaudvewewasens vuwevareuuveseueseuauws 9 SVE oa rean araara EAKA L ATAKATA ee gee ns en es na ee nt 9 Switch Of OFF Bet od core Sore ee E e St Acts ued ena eas camue eee rncal eterna dees ta es 9 5 1 Indication of the measuring unit t5s5052300 3eseds ei gaeyeyeiaewee reise eyed eee eeee ds 10 5 2 Display HUIMINGUON nierien rercir See ee eRe a Se T 10 5 3 Operating the instrument MENU ccccccnececceerneecnenccnensenuannenennensaneaes 11 5A MCL ILCINS town sedi aa nae eae sy eels deter avis oO sue an hanna E TAa 11 5 4 1 Show and reset cumulative dose DOSE cccccccccscccssssseesseseeesseeseeeeseess 11 5 4 2 Maximum measured dose rate MAX DR ccccccccscssesesseseeteesesseessensesees 12 5 4 3 Chirp Off and setting
8. elem REEE TELA 34 8 3 Electrical characteristics cacivetae ee Ree he ee se 34 8 4 Mechanical characteristics ccccccsencescsnenennenenennanenennenenennanetennanennans 34 8 5 Environmental characteristics s scs0c0cseeubazeseeepeesveeedsaeeeseeceneieiereraeeee 35 G6 CONNECTOF rrena raa ieee nie EENE elas Re Ge wR EEE beeen ede ETEEN onk 35 8 7 Detector POSIIOl iss caversrsaewrrsnriansnensaaeeneneacheninsneecns ANEVAR RERA 35 9 ACCOSSOMIGS sisi nesteisiersiieeceasscnaieneacnnienswendsceisttrenuadewraensansamenmauses 36 9 1 External probes for RDS 31with Binder connector sccsessceeseseneesenanees 36 1 Introduction 1 1 RDS 31 S R Multi Purpose Survey Meter The new RDS 31S R Multi purpose Survey Meter continues the line of the RADOS survey meters offering modern design and approach to a wide range of radiation monitoring applications RDS 31 is a small hand held battery operated survey instrument utilizing an energy compensated GM tube as a primary detector It is suited for a wide range of applications in civil defense fire fighting rescue industrial and laboratory use due to its versatile functions and rugged construction With the accompanying Configuration Software it is easy to optimize the behavior of the instrument to meet the various working conditions and needs The menu functions which are available to the end user can be selected from the bare essentials back light activation only to functions allowing the alarm limit se
9. gt The display indicates the capacity of the battery B xx To check the firmware major and minor revision or to activate the new firmware downloading e While the 8 8 8 8 8 is blinking e Press shortly gt The display provides the Major Firmware revision e While the Major Firmware revision is displayed e Press shortly gt The display provides the CL CHK o While the CL CHK is displayed o Press shortly o A dose rate value is provided This value is set to 1 mSv h as a default With the CSW 31 Pro the value can be set to a more optimal value between 300 uUSv h 3 mSv h gt The display now provides WT ss where the seconds are counted down from 59 to 00 at which point the calibration check is started o After the pre calculated time the measured dose is provided and the results are stored into the Diagnostics histogram o In case of falling outside the 15 X Sv limits where the X is the estimated uncertainty of the calibration check dose rate it is advised to perform the recalibration of the instrument e While the CL CHK is displayed e Press shortly e The display provides a Blinking LOADR e Activate the download with an intermediate gt The Display provides stable LOADR Note If the communication line is not activated within the time out period the instrument is reset and normal operation is resumed Note The result of the calibration check depends on the irradiation source en
10. rate Note Pressing the button returns to the First menu level displaying DOSE To reset the cumulative dose e While the cumulative dose is displayed press shortly and the display shows the text RESET blinking e Press an intermediate 0 gt The cumulative dose is now set to zero The display shows the 0 uSv without any blinking and if no button actions take place within the time out period the display returns to the dose rate Note Pressing the button returns to the First menu level displaying DOSE 5 4 2 Maximum measured dose rate MAX DR The instrument monitors the maximum dose rate while measuring It is possible to check the maximum dose rate value from the last reset of this field The value is stored into the permanent memory so that removing the battery will not clear the field and its value To see the maximum dose rate e Activate the menu Short E and scroll Short s until e The display changes to MAX DR e Press Q shortly gt The display shows the currently recorded Maximum dose rate in the configured unit To reset the maximum dose rate e While the current maximum dose rate is displayed press shortly and the display shows the blinking RESET text e Press an intermediate 0 gt The maximum dose rate is now set to zero The display shows the 0 0 uSv h without blinking and if no button actions take place within the time out period the display returns to the dose ra
11. the display returns to the dose rate display With the other menu items other than OFF pressing the 0 button shortly will return the display back to the dose rate Note In some situations the function of the buttons are changed from the default The changed functionalities are described later in the manual The instrument starts measuring the dose rate and accumulating the dose immediately when the instrument is switched on During the initial start up the instrument informs the user that the time of the Real Time Clock has not been set CLOCK This is performed with the Configuration Software CSW 31 The parameters of the instrument can be changed using the menu functions described later in this manual The Configuration Software for RDS 31 CSW 31 is required to change those parameters that are either disabled from the Instrument Menu or are included only in the CSW 31 Almost all of the menu functions can be disabled with the software When the menu of the instrument has been activated and the push button is not pressed for seven seconds the display returns to the dose rate display 5 1 Indication of the measuring unit The basic instrument RDS 31 has two units available for the measurements when using the internal GM detector Sv based and rem based units displayed by capital R on the display A suitable sub multiplier yu or m is set to extend the display range In addition h is applied to indicate the
12. the logged dataset It can be used with room control measurements or with specifically fixed address measurements With the CSW it is possible to filter the datasets using a specific location thus having the possibility to follow trends in the dose rates e It is possible to specify a mnemonic for the 16 locations to ease the use e It is possible to fix longitude and latitude values to the 16 first locations thus allowing the placement on map applications e There are up to 255 numbered locations The location 0 is a general purpose placement INT e This is the sample time interval in use with the automatic logging of data e The possible selection for the time is 10s 20s MAN e It is also possible to store manual samples into the histogram memory In this case only the immediate value in the display is stored With timed logging the average and maximum dose rate values are also stored CLEAR e Clears the histogram Note When an external detector is connected to the instrument the histogram is storing the data from the internal detector and from the external detector The memory is able to store approximately 30000 data sets with all the measured information immediate value in the display the average and maximum dose rate from the previous storing the location time The final number of stored data sets depends on the amount of diagnostics information that is also stored into the same memory area The histogr
13. 1 Disabled Configuration 2 The current alarm level can be displayed but cannot be changed using the instrument s push button Configuration 3 The alarm Level is displayed and can be changed using the push button 6 6 Time to Dose Alarm TM 2 AL The Time to Dose alarm provides the remaining time for the user until the next active dose alarm is exceeded in the current dose rate field Due to a high variance in the dose rate this value will have a large variance The maximum value is 99 59 Option Effect Configuration 1 Disabled Configuration 2 Enabled 6 7 Battery and display test DIAG The diagnostics function is performed every 10 minutes while the instrument is set ON The diagnostics results are stored into the histogram memory e When the instrument is switched ON 30 e In case of an error in the diagnostics e Once per day The diagnosed properties are the Battery capacity the high voltage the internal operating voltage the battery voltage and the temperature This is a configurable function with 3 options Option Effect Configuration 1 Disabled from the menu Configuration 2 Manual diagnostics is allowed Configuration 3 The diagnostics result is stored into the Histogram memory only in case of an error when set 6 8 Histogram HISTO The histogram function stores the dose and dose rate information into the memory for later analysis The storing
14. CHIRP The menu item of CHIRP CHIRP The currently activated dividing of the pulse Dividing value indicator DR AL The menu item of DR AL DR AL Active value Currently active alarm value Fixed limit system in use Disable Enable Sequential alarm limit system in use DOS AL The menu item of DOS AL DOS AL Active value Currently active alarm value Fixed limit system in use Disable Enable Sequential alarm limit system in use TM 2 AL The menu item of TM 2 AL TM 2 AL Remaining time The measured remaining time to Dose alarm activation Based on the measured dose rate DIAG The menu item of DIAG DIAG Battery Show the battery capacity CONN The menu item of CONN HISTO The menu item of HISTO HISTO The currently selected location is displayed Location HISTO Manual Manual sample of dose rate is placed into histogram 26 Sample The Location is the same as with the current configuration After 1 5 sec the display returns to the primary dose rate display 5 6 Other displayed messages 5 6 1 Low battery warning An audible low battery warning signal combined with a blinking battery symbol indication repeated every 6 minutes when the battery capacity is 10 lt Capacity lt 30 Low battery warning Long Short Long Bleep in five minutes intervals The dose rate measurement conti
15. GMP 11 GMP 15 alpha beta gamma probes of Mirion Technologies RADOS Oy In addition the TGS gamma contamination Alpha Wound and Alpha 125 alpha contamination probes from Mirion Technologies MGP of France can be connected to RDS 31 These various detectors can be added to the instrument using the additional Cable Adapter extending the capabilities of the instrument The use of the Cable Adapter also provides existing customers an easy and cost effective way to update their current instruments while maintaining the existing external detectors The meter provides an additional protective function to the user while using external probes the meter is still measuring simultaneously the dose rate using the detector of the instrument This allows the alarm to be triggered in case a too high dose rate or an accumulated dose is measured The RDS 31 is ready for use after the batteries 2 x IEC LR6 AA have been installed 2 Taking the instrument into use for the first time 2 1 Inserting batteries Open the lid of the battery compartment by releasing the fixing screws with a pozidriv 1 screwdriver and pull the cap out The instrument uses two IEC LR6 HR6 AA size batteries The use of alkaline batteries is recommended but NiMH batteries can also be used The polarity of the batteries can be seen in the picture below It is also engraved in the bottom of the battery compartment Insert the batteries and secure the battery cap C
16. MIRION Health Physics TECHNOLOGIES Division M RDS 31 S R Multi purpose Survey Meter User s Manual Doc No 2096 6082 Ver 2 1 RADOS NOTE This document and the information herewith are copyrighted material as mentioned in the Copyrights Act No part of this document may be copied without a written authorization from the manufacturer The manufacturer withholds the right to make changes in the contents of this document without prior notice If you have any comments or suggestions for additions concerning either the products or this document please send them to the address on the back cover There is a feedback form at the end of this document ATTENTION The RDS 31 Multi purpose Survey Meter does not contain any hazardous or dangerous substances and can be recycled accordingly The batteries of the device must be recycled separately as instructed by the manufacturer of the batteries Copyright Mirion Technologies RADOS Oy 2010 Document No 2096 6082 Version 2 1 Issue date 10 3 2011 Table of Contents 1 Introd cti m idee acai tuicondtia ican ietuicawieciiweenesusemnewsvicanasteneavadedausvas 1 1 1 RDS 31 S R Multi Purpose Survey Meter ccccccccccssseecseeseeseneeseseeeeeeseees 1 2 Taking the instrument into use for the first time sccssssseeess 2 2 4 Insefrting Datteri S rinise srusen iro o OTERA Era E IO EIO ETOT ERO EI C R RAPE OREINA 2 22 VIE CIID eierotarre erpel e a dau a a a e a ea a
17. Press an intermediate 0 gt The new alarm limit is activated Note Pressing the button returns to the First menu level displaying DR AL and the configuration can continue from this location forward 5 4 4 2 Sequential dose rate alarm When the sequential dose rate alarm function is enabled all the eight dose rate alarm levels will be active in the order of the list the default values are the same as in the fixed dose rate alarm level When the first value on the list is exceeded the alarm signal is activated It can be muted by pressing either one of the push buttons and the value of the second lowest in the list 14 becomes active The list will be taken into use in succession until the last position is set as a reference To set less than 8 effective limits the largest threshold values can be set to include the same value Note In case the Sequential dose rate alarm is activated and triggered the short pressing of either button has no other effect than to acknowledge the alarm and to mute the audible signal The display still shows the symbol ALARM while the condition continues Note When the dose rate becomes lower than the limit on the list which has been acknowledged already exceeding this limit will re trigger the limit again To enable disable the Sequential dose rate alarm e Activate the menu Short and scroll Short s until e The display changes to DR AL e Press shortly gt The c
18. agnostics and record the current status dose and dose rate into the histogram memory with each pushing of the button Otherwise the histogram would record the dose and dose rate on every preprogrammed time interval In this mode the instrument could also operate in the Sequential Alarm mode which means that when the current Alarm threshold is exceeded and the alarm triggers On the pressing of the button would activate the next Alarm Threshold in the sequence and the instrument would be silenced This mode would be most suitable for Fire Fighters and other workers who need to concentrate on the task at hand rather than the operation of the meter When the daily activities are over the instrument would be connected to the CSW 31 software where the histogram would be recorded 7 4 2 Normal usage of the buttons Normally the Menu button is pressed to activate the user interface menu and to scroll through the various functions When the desired function is in the display the On Off button is pressed to activate the next level of display Typically this level shows the currently active configuration of the instrument Note The operation which is activated by pressing the button can be changed depending on the context of the instrument For example when changing the alarm levels the main menu is activated first with the Menu button The user scrolls thereafter through the different options with short presses of the Menu button When the Dose al
19. am memory is downloaded into the CSW 31 software through the communication link When using the RF link it must be noted that the download times can be quite long in case the memory is filled with data 22 Note In case the sampling time is set to a minimum value and the instrument is left into the measuring location it is possible that the memory becomes full In such a case the histogram memory can be configured to either provide the newest samples and overwrite the older samples or it can be configured to stop the histogram function when the memory becomes full The time to reach the buffer overload will take approx 80 hours when sampling in 10 second intervals Note It is up to the user whether or not to use very short intervals in the background dose rate fields since the data is partially redundant Typically new statistically independent data is available only 5 times per hour in a dose rate of 0 1 uSv h The Independent result in this case means that the entire internal counting registers do not include any effect of the earlier results The duration to receive independent results Time s 0 01 0 1 1 10 100 Dose Rate pSv h Typical result for the RDS 31 standard GM detector and counting statistics not to be used as a specification 5 4 9 1 Other histogram records In addition to the preprogrammed and manual histogram data storing there are automatic records that are stored into histogram m
20. andards specifications and design are subject to change over a period of time please request for the confirmation of the information given in this publication Lamanon France Smyrna GA USA Tel 33 0 4 90595959 Tel 1 770 432 2744 Turku Finland Other countries Tel 358 0 2 4684 600 Tel 33 0 4 90 59 60 41 Hamburg Germany RADOS Doc No 2096 6082 Tel 49 0 40 85193 0 v 2 1 37 FEEDBACK FORM We are continuously working hard at producing correct and easy to read technical documents However complex systems are often difficult to explain or understand and therefore mistakes or inadequacies may occur occasionally in the documentation process To correct these errors we would like to hear your opinion on this document If you have noted mistakes or if there are parts that are unclear please let us know Make a copy of this page describe the problem and send the copy to us here in RADOS To Mirion Technologies RADOS Oy Technical Documents P O Box 506 FIN 20101 Turku Finland Fax 358 2 468 4601 This way you will help us in supplying you with even better documents The best feedback will be rewarded Notes on this document Name of the document Issue date Description of the mistake or problem Correction Page no Notes on the product Name of the product
21. arm option is displayed the next level of operation is activated with a short pressing of the On Off button and the display provides the current active status of the Dose Alarm Threshold If this value needs to be changed the user would not use the Menu button but instead use short presses of the On Off button to scroll through the list to a point where the new set point value is displayed At this point an intermediate pressing of the On Off button activates the new value Pressing the button a long time will not have any effect and a short press would change to the next value in the list 4 3 Special feature Shortcut function Both buttons can be programmed with two additional operations when the display of the instrument shows the normal dose rate values These operations can be set with the CSW 31 software An intermediate or long pressing of the button is used to activate the Shortcut function For example the On Off button can be programmed so that the long pressing switches the instrument Off The default is through the Menu operation Alternatively the Menu button can be programmed to perform the Manual Histogram Storage with an intermediate pressing of the button and a Location change with a long pressing With this programming it is easy to pick up the new measurements from several different rooms spaces when performing the Plant surveillance 5 Operation Switch On Press the button until all the segments are displayed and
22. d USB communication with suitable adapter customized LCD display with 5 digit 14 segment floating point area and special symbols for alarm external probe battery RF communication vibration alarm chirp and mute 8 3 Electrical characteristics power supply 2 x AA R6 size batteries alkaline or NiMH contacts for external power and charging of NiMH battery charging conditions 5 35 C operation time with fresh batteries more than 4 months at background radiation at 23 C 8 h use 24h operation time with fully charged NiMH batteries more than 1 month at background radiation at 23 C 8 h use 24h At higher temperatures the operation will be shorter battery life ca 1000 h when only standard features are in use 8 4 Mechanical characteristics case high impact durable plastics reinforced with glass fibre ergonomic design rubber grip and cushion around the case 34 enclosure class IP67 IEC 60529 water proof including battery compartment dimensions 100 mm x 67 mm x 33 mm 3 93 in x 2 63 in x 1 29 in weight 175 g without batteries 0 385 Ib 220g with batteries 0 485 Ib wrist neck strap belt clip 8 5 Environmental characteristics operating temperature 25 C 60 C 13 F to 131 F storage temperature 40 C 70 C 40 F to 158 F relative humidity up to 85 at 35 C 95 F fulfills the RF immunity levels of applicable standards 8 6 Connector Binder 702 series exi
23. divider CHIRP ccccccccscccssseescsseseescssesessesseseeeessees 13 5 4 4 Show and change dose rate alarm level DR AL ccccccecccsseeseseees 14 5 4 4 1 Fixed dose rate alarm level cccccccccccsssscsssssscssssssssssssessscsassessssensetseseesnes 14 5 4 4 2 Sequential dose rate QAM ccccccccccccccsssscsscsssscsssssssscceasesssassesssesnsesssseesnes 14 5 4 5 Show and change dose alarm level DOS AL aise Qhuiwedie 15 5 4 5 1 Fixed dose alarm level si sccucdicacevricetaacct becasue vi dalle pte deanskesetawigeant stad eeonacignaied 16 5 4 5 2 Sequential dose AAS 2 seas an savcdeudanecedoatadiedan en diedansselesda ides critleahengeilouadedaseens 16 5 4 6 Time to Dose Alarm TM 2 AL cx ssicesharsesdstscteasetendowicet ticles chevelle teasgeartese 17 5 4 7 Diagnostics COIAG Di accerissacesaessatiahscsatvaasusutelassasaiedcarevaelenssicads nae adbeohe adaranheGteds 18 5 4 8 Communication COON cccsiucasisesscatisncdcaScsesbdsctapoxcisssehduadosathsssepsvwssenslinliseitacks 20 5 4 9 Histogram AIS TO a E aa a a atait 21 5 4 9 1 Other histogram recordS c ccccccccscsssssssssesssssssssssccscsseesceseeccscssesecaesassessceanes 23 5 5 Shortcut functions 4 sanciavedanctcesecese pases eiareseeer arene seas caseher es ceneeereeneiee 24 5 6 Other displayed MeSsageS s rrrssssssssssssssssrrrrrnrrrsssssznnnssssrrrrrnnns 27 5 6 1 Low battery WINN Gla srccc este teartat ton ceaesedirammatis ali tance a a a a aa 27 5 6 2 Low battery bal
24. e for use with ABS polymer and PMMA materials The replacement of the batteries Open the battery compartment cover with a suitable screwdriver Pozidrive 1 Remove the old batteries and replace with new ones Note the correct polarity The use of AA alkaline batteries IEC LR6 is recommended but NiMH rechargeable batteries can be used under normal conditions Note that rechargeable batteries should not be charged below 5 C temperatures The capacity at these temperatures can be lower than anticipated Close the cover firmly especially in case the instrument is used in humid conditions Note After fitting fresh batteries it is recommended to perform the functional test DIAG If the low battery sign LOBAT appears in the display after the test refit the batteries Note When changing the battery type between alkaline and rechargeable use the CSW 31 software to indicate the change to the instrument Otherwise the battery capacity counter and charging functions can be set in false settings When changing batteries the instrument assumes that alkaline batteries have been inserted and the charging functions are disabled 32 8 RDS 31 specifications Order catalog 1233 268 M RDS 31 S Sievert model MI Both battery cover models MI Batteries 2 x AA LR6 size MI Carrying strap VI User s Manual MI USB RF LINK 31 W CSW31 Lite Configuration Software Order catalog 1233 260 MI RDS 31 S MI Both battery co
25. emory e Diagnostics Automatic or manual or error found e The alarm limit has been exceeded e The user has set a new alarm limit or acknowledged an alarm muted 23 e The user has reset the dose or the max dose rate e The instrument has been calibrated New and old Coefficients are stored Normal histogram memory The internal structure of the histogram memory is designed in such a way that the Daily basis functions are stored inside a circular buffer where a header separates the data sets This part has a maximum limit of storing approx 30000 normal data sets Other daily activities are stored within this buffer area as well such as the instrument Switch On Off the Dose Reset the Max Dose rate Reset the Alarm limit change etc The more activities are stored the more the data records consume the Dose Rate histogram memory Calibration memory The results of the 64 newest calibrations are stored in the memory The oldest are overwritten in case more than 64 calibrations are performed Diagnostics memory The first start up of the day is stored here In case the instrument operates continuously without going to the OFF state an automatic diagnostics is run at 00 00 00 and the results are stored into a specific diagnostics memory This memory is able to store the data of over one year of operation When the memory becomes full the oldest diagnostics data is overwritten These special memory areas cannot be cleared with the CSW
26. ergy The instrument is originally calibrated with Cs 137 and in case a different type of radiation source is used the result should be compared to the energy dependency of the instrument 19 5 4 8 Communication CONN There are two main communication link selections EINN possible in the RDS 31 instrument The first method is the RF link and the second is the Cable link method Both connections are established with a suitable adapter connected to the USB port of the PC The adapter will create a HID class device using propriety Vendor and Product codes to the Operating System register When the CSW 31 software is active there is a driver software which will monitor the connected devices in the system When the RDS 31 communication adapter device is connected to the PC the link from the CSW 31 to the adapter is activated and remains waiting the RDS 31 instrument to be connected to the adapter When the Cable adapter to the PC link is established and the instrument is connected to the adapter the communication between the instrument and the CSW 31 is activated automatically When the RF adapter to PC link is established the instrument is manually set to start the communication This activation is performed through the menu operation as described below Note When a large amount of data requires to be downloaded from the instrument to the system e g the Histogram it is advisable to use the cable link due to the higher communica
27. function e All the display segments are lit The buzzer is activated The display backlight is switched on The battery condition is tested The HV generator is tested The presence of the RF link is checked and the connection is established e Incase the internal Real Time Clock is not set to the proper time a CLOCK message is displayed 2 3 Switch off OFF fee To switch the instrument Off e Activate the menu Short e The display changes to blinking OFF e Press an intermediate 0 gt The display goes blank The instrument is now switched off Note The instrument does not completely shut down all the internal circuitry The RTC circuit remains active maintaining the time signal The energy is supplied with the batteries This means that the time setting of the instrument RTC is lost in case the batteries are removed for more than 1 minute Note In case the instrument is to be stored for a prolonged period of time it is advisable to remove the batteries to prevent any electrolyte leakage to the battery compartment 3 Main parts of the RDS 31 This paragraph presents the main parts of the instrument 3 1 Display of the RDS 31 The display of the RDS 31 is a customized LCD display with the Energy Saving Backlight ESB The ESB circuitry measures the ambient light condition and in case the lighting is sufficient the backlight is not activated when the buttons are operated The display segments are lit when the instru
28. he external probes can be connected to the instrument In case a cable link is used the measurements are carried out only with the internal detector Note Pressing the button returns to the First menu level displaying CONN and the configuration may continue from this location onwards 5 4 9 Histogram HISTO The Histogram functions of the RDS 31 are very versatile when compared to the RDS 30 The menu Tea of the Histogram are summarized in the following table First level HISTO Second STATE LOC INT MAN CLEAR level Third Show the Show the Show the Picks Level current current current current state of the location Sample Time values into timed information in use the histogram histogram ON OFF memory Fourth Change the Change the Choose new Level state from location from Sample the list the list interval from the list The histogram function of the user interface has the following main features STATE e The STATE provides the currently active status of the timed histogram logging When ON the measurement data is stored into the histogram memory using the determined interval e The user can set the automatic logging ON or OFF from this menu e Itis possible that the STATE is set to OFF but in case of an alarm of the dose rate the histogram data is automatically stored while the condition exists LOC 21 e The location of choice is stored as additional information to
29. hold levels can be changed and stored into the instrument s internal memory with the CSW software To see the current dose alarm threshold level e Activate the menu Short and scroll Short s until e The display changes to DOS AL e Press shortly gt The current dose alarm threshold value is displayed To change the current dose alarm level e While the current dose alarm level is displayed press shortly and the display starts blinking e Scroll with short D until the desired value is given e Press an intermediate 9 gt The new alarm limit is activated Note Pressing the button returns to the First menu level displaying DOS AL and the configuration can continue from this location forward 5 4 5 2 Sequential dose alarm NOTE the sequential dose alarm function can be taken into use by means of the CSW 31 Software only When the sequential dose alarm function is enabled all the eight dose alarm levels will be activated in the order of the magnitude the default values are the same as in the single dose alarm level When the first value on the list is exceeded the alarm signal is activated It can be muted by pressing either one of the push buttons and the second lowest value in the list becomes active The list will be taken into use in succession until the last position is set as a reference To set less than 8 effective limits the largest threshold values can set to include the same value
30. ier 5 4 Menu items Menu Function Item OFF Switching the instrument Off Immediate action with an intermediate pressing of button DOSE Check and reset the current accumulated dose MAX DR_ Check and reset the current maximum recorded dose rate since last reset CHIRP Adjust the sensitivity of the visual and audible pulse indication DR AL Check and change the activated threshold level of dose rate alarm DOS AL Check and change the activated threshold level of dose alarm TM 2 AL Display the remaining work time until the next dose alarm is activated in the current dose rate field DIAG Activate the internal diagnostics check software revision and battery capacity CONN Activate the communication with CSW 31 using the RF link HISTO Operate the Histogram functions and or pick manually the current data values into the memory The Underlined and italic text indicate that action is performed immediately from this point 5 4 1 Show and reset cumulative dose DOSE The instrument integrates the cumulative dose TSE continuously into a dose register when switched on To see the cumulative dose e Activate the menu Short and scroll Short s until e The display changes to DOSE 11 e Press shortly and the current measured dose value is provided gt The display shows the cumulative dose Note The same basic unit is used both for the dose and for the dose
31. ight To only achieve the backlight activation press the button Shortly Option Effect Configuration 1 When the push button is pressed the display 28 backlight is lit for 10 seconds timeout mode Configuration 2 The display backlight is switched on by pressing the push button and remains lit until the button is pressed again user defined mode Configuration 3 The backlight is on permanently constantly on mode Configuration 4 The backlight is off permanently constantly off mode Note There is no method in the instrument menu to change the configuration 6 2 Show and reset cumulative dose DOSE The cumulative dose is always measured from the internal tube even when using an external detector The dose alarm can therefore be used to warn the user even when using any type of an external detector The dose is accumulated always when the instrument is switched On Option Effect Configuration 1 The Cumulative Dose is not displayed in the menu Configuration 2 The Cumulative Dose can be checked and reset using the push button of the instrument Configuration 3 The Cumulative Dose can be checked but not reset through the menu of the instrument 6 3 Chirp on off and chirp rate CHIRP The RDS 31 instrument has both an audible and a visual pulse indicator Chirp These can be individually disabled but they share the same dividing value
32. lose the battery cover and tighten the screws first by using a lower torque and then by increasing the force until the lid becomes aligned with the bottom The surface of the lid is slightly above the instrument bottom surface The instrument is now ready for use If the instrument is not automatically switched On after replacing the batteries turn the instrument On by pressing the push On Off button 9 until the instrument starts about 2s Note The operation of the instrument is optimized for alkaline batteries The use of NiMH batteries is possible When changing the battery type the instrument settings must be changed either with the menu function of the instrument or by using the Configuration Software for RDS 31 Note When changing the batteries also check that there is no dust or dirt inside the battery compartment Clean the compartment Check the condition of the rubber sealing and the connector cap Replace the sealing or the cap in case they have become damaged Note Using excessive force while tightening the screws may damage the threads of the instrument Should this happen the case must be replaced Note If the batteries have been totally depleted or the batteries are not changed within one minute the Internal Real Time Clock is reset and has to be set again using theCSW 31 software 2 2 Switch On Press the button until all the segments are displayed and an audible signal is heard The meter performs a self test
33. ment is started Also using the display diagnostics it is possible to check that the LCD module is operational ABGS Segment Function Segment Function Group Group S1 The Chirp is activated S2 All Sounds Muted ALL s3 The Vibration Alarm S4 Alarm Condition exists Activated S5 An External detector is S6 Beta detector present S7 Alpha Detector S8 RF link active S10 Up Down change life 14 S Main area for measured values and text messages Units 1 cps com dpm Bq Bqm Units 2 uSv mSv Sv uSv h mSv h Sv h Bq cm UR mR R wR h mR h R h R rem uGy mGy Gy uGy h mGy h Gy h S9 Lit when battery low Low ABG Analog Bar Graph indication of very battery short integration time pulse rate Helps in searching ABGS Analog Bar Graph Scale Units of the bar graph are same as the main units 3 2 Connectors and strap The connector for an external detector and an external charger is in the bottom of the instrument There is also the fixing lug of the wrist strap The round connector Binder 702 series is used for external probes for cable connections and for external alarming devices Wrist strap fixing lug Connector and protective cap RDS 31 Connector Charging contacts Note Charging connectors are used when the instrument is placed into the car cradle In case the RDS 31 uses alkaline batteries the instrument is not charged with this connection b
34. n activating rate the shortcut the display goes directly to displaying the maximum dose rate from the last reset of the field Diagnostics The menu item DIAG is activated The normal button operations are allowed from this point forward Note In case the instrument configuration would not allow the function that is programmed into the ShortCut the ShortCut function overdrives the instrument configuration This means that even in a case where the instrument menu is completely disabled some limited actions can still be performed using the ShortCut function 25 CSW 31 PRO ShortCuts ShortCut Function Time ShortCut 1 An intermediate Pressing more pressing of 9 than 1s but less than 2s ShortCut 2 A Long pressing of Pressing more 0 than 2s ShortCut 3 An intermediate Pressing more pressing of than 1s but less than 2s ShortCut 4 A Long pressing of Pressing more than 2s CSW 31 PRO Possible ShortCut actions and specific information Function Note OFF With the Shortcut it is possible to switch the instrument off directly without the need to first activate the menu DOSE The menu item of DOSE DOSE This is the accumulated dose value te The Dose reset is not an allowed ShortCut item MAX DR The menu item of MAX DR MAX DR The measured maximum dose rate Measured The maximum dose rate reset is not an allowed max rate ShortCut item
35. n the following table Display Function Description 8 8 8 8 8 Main test functions can be activated under this All segments are lit The Buzzer is activated The Vibration motor is activated The RED alarming LED is activated The measured performance parameters are stored into the Histogram memory for later diagnostics GRAPH Reserved for further use V 1 00 Current revision of the firmware Major Minor CL CHK Start the calibration check procedure Chooses the target dose rate that is used After a fixed 1 minute waiting time the instrument measures a dose of 100 uSv time calculated from the rate In case the measured dose is within 10 from expected dose OK otherwise warn B 74 Battery Capacity here 74 of the full value LOADR Activate Firmware loading Reset instrument Underlined and italic cursive is in use when the display is blinking thus indicating an immediate action followed with an intermediate pressing of the button To activate the diagnostics functions e Activate the menu Short and scroll Short s until e The display changes to DIAG e Press shortly gt The display shows blinking 8 8 8 8 8 To perform the diagnostics 18 e While the 8 8 8 8 8 is blinking e Activate diagnostics with an intermediate 9 o All segments are lit o The buzzer is activated o The vibration motor is activated o The RED alarming LED is activated
36. nues normally 5 6 2 Low battery alarm The display shows LOBAT blinking and the audible alarm is activated when the battery capacity is lt 10 Low battery alarm Long Short Long Bleep in 20 seconds NOTE The dose rate measurement is prevented 5 6 3 Dose rate alarm Blinking display The dose rate display is blinking and the continuous audible alarm is on The audible alarm can be reset by pressing the push button Dose rate alarm two beeps per second 5 6 4 Dose alarm The dose rate display is on and the current dose alarm level alternates in the display and the continuous audible alarm is on The audible alarm can be reset by pressing the push button Dose alarm one beep per two seconds 5 6 5 Dose rate Overflow alarm OFL When the measurement limits are exceeded the display shows OFL blinking The continuous audible alarm is on Dose rate overflow continuous beeps The overflow alarm cannot be reset Note When the dose rate overflow has been activated there will be a message from this event in the dose read out When the dose is given the display alternates between DR OFL lt gt dose This flag will be set when the dose is reset This is to 27 inform the user that the measured dose might not give the true value due to exceeding the maximum measurable dose rate 5 6 6 Error dEF Err In case there is a critical in
37. of the data can be manually activated or time sampled Each data set consists of all the measurable data available and the user can activate what data is to be processed through the filtering options during the read out This is a configurable function with 3 options Option Effect Configuration 1 Disabled from the menu Configuration 2 Manual storing is allowed Configuration 3 Several selectable function can be enabled e Clear Buffer e Change State ON OFF e Histogram rolling enabled optional e Histogram from external detector optional e Auto histogram from Alarm The selected data is stored automatically into the Histogram memory when set 6 9 Indication unit The displayed units can be chosen between Sv and rem The rem unit is shown in the display as more generic R This is a configurable function with 2 options Option Effect Configuration 1 uSv h Configuration 2 mrem h 31 7 Maintenance and Decontamination No specific maintenance is required except for a periodic check of the calibration The authorities or the Health physicists typically determine the checking interval Once a year under demanding conditions or every second year under typical laboratory conditions is a recommended interval in maintaining the proper operational reliability of the instrument Cleaning and decontamination may be carried out by using decontamination solutions suitabl
38. ons requires a bit more force than for example a regular keyboard button since the surface of the button is above the surface of the instrument front face In the RDS 31 the duration of the pushing of the buttons is crucial with regard to the desired action so it is necessary to pay attention to the issue 4 1 Button pressing times When operating the instrument three different length pushes can be used There is an audible signal that is given at the start of each time interval e Short p lt 0 75 s e Intermediate 0 75 lt p lt 1 5 s e Long p gt 1 5s Note With the CSW 31 software the display of the instrument can be configured so that there is a visual guide to help with timing of button pressure This is done using the Analog Bar Graph A Short push of the button while www ss lit An intermediate push while MINI is lit A long push while is lit Note While the different lengths of pushes add versatility to the operation of the instrument it is possible to keep everything simple Almost all the features that would need this operation mode can be disabled leaving only the bare minimum of operations The minimum approach is to disable all the menu functions meter would be constantly switched On and the On Off Button would switch the backlight On for 10 seconds and the Menu button would give the current accumulated dose in the display for 10 seconds In the background the instrument would perform the di
39. red value for Visual Chirp is given gt The Visual Chirp state is now set The display provides the new setting without blinking and if no button actions take place within the time out period the display returns to the dose rate 13 Note Pressing the button returns to the First menu level displaying CHIRP and the configuration can continue from this location onwards 5 4 4 Show and change dose rate alarm level DR AL The dose rate alarm of the instrument can operate in two different modes e Fixed dose rate alarm level e Sequential dose rate alarm NOTE The mode can be selected only by using the CSW 31 software 5 4 4 1 Fixed dose rate alarm level There are 8 different levels for dose rate alarm e disabled 10 50 100 500 1 000 5 000 10 000 or 50 000 uSv h or mrem h The user may select any one of these to be the active alarm threshold level Note All these dose rate alarm threshold levels can be changed and stored into the instrument s internal memory with the CSW software To see the current dose rate alarm threshold level e Activate the menu Short and scroll Short s until e The display changes to DR AL e Press shortly gt The current dose rate alarm threshold value is displayed To change the current dose rate alarm level e While the current dose rate alarm level is displayed press shortly and the display starts blinking e Scroll with shortly until the desired value is given e
40. sting detectors used with RDS 110 RDS 200 with special adapter external alarm output max 24V 8 7 Detector position The location of the GM detector central point is marked on the surface of the case in the pictures below 35 9 Accessories USB RF Link 31 LITE CSW 31 Configuration Software Order number 1233 262 USB RF Link 31 PRO CSW 31 Configuration Software Order number 1233 263 USB Cable Link 31 LITE CSW 31 Configuration Software Order number 1233 264 USB Cable Link 31 PRO CSW 31 Configuration Software Order number 1233 265 The Configuration Software CSW is used to check the status of the instrument to change its operational parameters and to set up the histogram operation for details see the CSW Configuration Software for RDS 31 User s Manual RDS 31 cable adapter for external Multirad LLR probes Order number 1233 266 RDS 31 cable adapter for external GMP series probes Order number 1233 267 9 1 External probes for RDS 31with Binder connector GMP 11 3 Beta Probe for RDS 31 Order number 1233 274 Range 0 to 10 000 cps GMP 15 3 Pancake Beta probe for RDS 31 Order Number 1233 275 Range O to 10 000 cps 36 GMP 12 3 Gamma probe for RDS 31 Order Number 1233 276 Range 0 05 uSv h to 10 Sv h GMP 12L 3 Gamma probe for RDS 31 Order Number 1233 277 Range 0 05 uSv h to 100 mSv h GMP 12H 3 Gamma probe for RDS 31 Order Number 1233 278 Range 100 uSv h to 10 Sv h As st
41. te 12 Note Pressing the button returns to the First menu level displaying MAX DR and the configuration can continue from this location onwards 5 4 3 Chirp Off and setting divider CHIRP CHIRP The chirp function can be used to activate or deactivate the audible or visual chirp and to select the Chirp divider The possible dividers are 1 1 1 2 1 5 1 10 1 20 and 1 50 The division affects both the audible and the visual chirp function Note The audible and visual Chirp can be disabled individually but they share the common dividing ratio when enabled To see the chirp state e Activate the menu Short and scroll Short s until e The display changes to CHIRP e Press shortly gt The display shows CA OFF CA 1 CA 50 depending on the current state of the Audible Chirp and the common dividing ratio e Press shortly gt The display shows CV OFF CV 1 CV 50 depending on the current state of the Visual Chirp and the common dividing ratio e Press shortly gt The display shows CH OFF CH 1 CH 50 depending on the current state of the common dividing ratio To change the chirp state e While the current chirp state is displayed press shortly and the display shows the state of the Audible Chirp blinking e Scroll with short D until the desired value is given e Press an intermediate 0 gt The Audible Chirp state is now set e Scroll with short until the desi
42. ternal failure in the instrument the Defect error is activated The continuous audible alarm is on Error alarm continuous bleeps every two seconds The dose rate measurement is prevented Error codes and types Errori CAL DF Calibration error the calibration coefficient is default or is out of accepted limits Error2 FLS DF Non volatile memory error Error3 DET DF Detector is faulty internal or external Error4 DG1 DF High voltage is not within specified range Errors DG2 DF Internal power supply is out of specified range Error6 DG3 DF Firmware CRC error the bit sum check of embedded software failed Error7 LFE DF Cumulative dose overflow gt 10 Sv The GM detector can be end of life Should an error occur write down the Error message and return the meter to the manufacturer contact info see the last page of this manual for service The internal diagnostics memory will also store critical errors but in case the problem is the memory itself it cannot be completed 6 Configurable Parameters All of the menu items can be disabled from the menu with the CSW software When a menu item is disabled it is not visible in the menu list 6 1 Display illumination The RDS 31 has an Energy Save Backlight feature This means that in case the amount of ambient light is sufficient the backlight will not be activated regardless of the configuration Pressing any button or length will activate the backl
43. tion can be reset only by resetting the dose register 5 4 6 Time to Dose Alarm TM 2 AL TMEAL NOTE the Time to Dose alarm function can be taken into use by means of the CSW 31 Software only The Time to Dose alarm function can be enabled to show the estimate of the remaining work time until the next dose alarm is activated in the current dose rate field In the Fixed dose alarm mode the procedure how to show and change the valid dose alarm level is described above and will set a new reference point for this calculation In the sequential dose alarm mode the reference value can change when the user acknowledges the alarm and the instrument changes the alarm threshold to the next limit in the list To check the status of the Time to Dose Alarm e Activate the menu Short and scroll Short s until e The display changes to TM 2 AL 17 e Press shortly gt The current status the alarm limit value used for Time to Dose display or disabled DISAB is displayed 5 4 7 Diagnostics DIAG RAG The Diagnostics function of the RDS 31 is used to manually activate the internal checking functions of the high voltage the operating voltage and the battery capacity During this process the user may also check the operation of all the display segments the visual alarm LED the audible alarm and the vibration alarm The instrument software revision XX and XXX can also be seen The Diagnostics sub functions are provided i
44. tion speeds in use Note When the firmware of the instrument is to be updated with a new release the cable adapter is suggested for reliability To activate the RF communication e Activate the menu Short E and scroll Short s until e The display changes to CONN e Press shortly gt The current state of the communication link is displayed CON ON CON OF To change the state of the communication link e While the state of the communication link is displayed press shortly and the display starts blinking e Scroll with short D until the desired state is given e Press an intermediate 0 gt The new state is activated Note If the original state is CON OF the instrument attempts to establish a communication link with the RF adapter If the counterpart is not found within approx 7 seconds the instrument returns to the CON OF state and continues the normal dose rate measurement 20 Note If the original state is CON ON and there is an active link established with the RF adapter and the CSW 31 software this link is disconnected and the instrument returns to the CON OF state and continues the normal dose rate measurements Disconnecting the RF link in the middle of the configuration procedure between the instrument and the CSW can lead to an unknown configuration state of the instrument Note The RDS 31 may continue the normal measurements while communicating In case the RF link is used for the communication t
45. tting dose resetting and histogram functions configurations In other words this meter has its place wherever the user wishes to observe the ionizing radiation in his her environment or work surroundings RDS 31 features excellent ergonomics it is lightweight and easy to handle with visual and audible alarms and a built in vibrating alarm The instrument can be held and handled firmly even under difficult conditions thanks to the rubber grip around the instrument The large LCD with an Energy Save Backlight can be easily read both in total darkness and in direct sunlight Additionally to increase the easy operation of the instrument the Shortcut operation can be configured to the Buttons This function allows the easy and configurable method of performing repeated operations such as the Manual Histogram Sample collection the Dose value display the Diagnostics etc In addition to help the users to become accustomed to the Shortcut function a novel Visualization display function can be configured into the operations With this aid it is possible to adjust the button pressure to the desired length The basic instrument is easy to take into use but it also offers versatile possibilities to measure other types of radiation qualities by using external probes The total Mirion range of external probes from the Turku and Lamanon manufacturing sites can be attached to the instrument These detectors include the GMP 12 series gamma probes the
46. urrent state of the dose rate alarm system is displayed lowest dose rate alarm level enabled DR OFF disabled To change the state of the Sequential dose rate alarm system e While the current state of the dose rate alarm system is displayed press shortly and the display starts blinking e Select the desired state Jowest level or DR OFF with short push note that only these values are blinking other values are shown without blinking indicating that they are not applicable for this function e Press an intermediate 0 gt The new state is activated Note Pressing the button returns to the First menu level displaying DR AL and the configuration can continue from this location forward Note The alarming is re triggerable This means that when the dose rate goes below the threshold value and exceeds it again an audible alarm is triggered even when user has earlier muted this level 5 4 5 Show and change dose alarm level IOSAL DOS AL The dose alarm of the instrument can operate in three different modes e Fixed dose alarm level e Sequential dose alarm e Time to Dose alarm NOTE The mode can be selected only by using the CSW 31 software 15 5 4 5 1 Fixed dose alarm level There are 8 different levels for dose alarm e disabled 10 50 100 500 1 000 5 000 10 000 or 50 000 USv or mrem The user may select any one of these to be the active alarm threshold level Note All these dose alarm thres
47. ut it will overdrive the batteries instead thus eliminating the power consumption of the batteries Note Using the existing external detectors requires the use of a cable adapter The adapter transforms the connector of the detector to the suitable receptacle for RDS 31 In some case the cable adapter is required also to make the detector electrically compatible with the instrument 3 3 Push Buttons There are two push buttons above the instrument display It ensures that the user always has the best possible grip on the instrument even when operating the buttons On Off Menu The buttons have bossed and cut features so that they are easy to distinguish from one another In addition the pressure threshold of the buttons is slightly higher than in typical buttons to prevent any unwanted activation of the button e g while wearing gloves The two buttons have been named and This indicates the main purpose of the buttons The On Off button starts and stops through the menu selection the instrument and the Menu button is used to operate the menu lists of the instrument Other functions of these buttons are explained under appropriate locations In this manual the button names or the representing symbol can be used when describing various operations The On Off has the symbol of 0 and the Menu button has the symbol of 4 Using the buttons and Special features Using the buttons is a trivial task Pushing the butt
48. ver models Order catalog 1233 261 MI RDS 31R MI Both battery cover models 8 1 Radiological characteristics radiation detected gamma and X rays 48keV 3 MeV Alpha and Beta radiation with external probes ambient dose equivalent H 10 dose rate measurement range 0 01 uSv h 0 1 Sv h 1 yrem h 10 rem h dose measurement range 0 01 uSv 10 Sv 1 yrem 1000 rem resolution three significant digits or 0 01 uSv h on dose rate and 0 01 uSv on dose 1 urem h on dose rate and 1 urem on dose calibration accuracy 5 Cs calibration direction and in the calibration field temperature 20 C 68 F dose rate linearity 15 least significant number 0 05 uSv h 0 1 Sv h 5 prem h to 10 rem h 33 variation of the response due to photon radiation energy and angle of incidence R a 71 lt Rea lt 160 48 keV 3 MeV 60 compared to Finnish National Laboratory STUK 8 2 Functional Characteristics two buttons to operate the instrument configurable units Sv h R h with external detectors Gy h cps com dpm and Bq versatile histogram functions dose rate dose diagnostic logging depending on configuration time stamp optional location control for mapping and repeating room control analysis additional histogram analyzing capabilities on CSW 31 Pro software XML format file storage real time clock function configurable audible visual and a vibration alarm RF communication an
49. when activated Option Effect Configuration 1 The chirp configuration is not possible through the menu Configuration 2 The Audible chirp is disabled Visual chirp is X Configuration 3 The Audible chirp is enabled Visual chirp is 9X Configuration 4 The Visual chirp is disabled Audible chirp is X Configuration 5 The Visual chirp is enabled Audible chirp is X Configuration 6 The pulse rate from the detector is divided by a value from the fixed list 1 1 1 2 1 5 1 10 1 20 and 1 50 9 The state X is either Enable or Disable 29 6 4 Show and change dose rate alarm level DR AL The Dose rate alarm is always measured from the internal tube even when an external detector has been inserted This is to ensure the protection of the user of any telepole device This is a configurable function with 3 options Option Effect Configuration 1 Disabled Configuration 2 The current alarm level can be displayed but cannot be changed using the instrument s push button Configuration 3 The Alarm Level is displayed and can be changed using the push button 6 5 Show and change dose alarm level DOS AL The Dose alarm is always measured from the internal tube even when an external detector has been inserted This is to ensure the protection of the user of any telepole device This is a configurable function with 3 options Option Effect Configuration
Download Pdf Manuals
Related Search