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Error Displays 

 

Error Displays 

Above 200 R/hr (2.0 Sv/h), and up to 600 R/h 
(6.0 Sv/h), the upper three-segment bar (– – –) 
on the display will begin flashing to indicate 
that: 

•

 

The dose rate exceeds the range of the 
UltraRadiac-Plus. 

•

 

The error might be greater than 20%. 

•

 

The value of the displayed dose rate 
(and consequently of the calculated 
dose) is not accurate. 

•

 

The “true rate” might be significantly 
higher than the displayed value. 

Above 600 R/h (6.0 Sv/h) the unit will not 
increase dose-rate measurement and will keep 
displaying 600 R/h (6.0 Sv/h). 

 

 

 

27 

 

Содержание UltraRadiac-Plus

Страница 1: ...Radiation Safety Amplified UltraRadiac Plus Personal Radiation Monitor 7068914D User s Manual ...

Страница 2: ...UltraRadiac Plus Personal Radiation Monitor 7068914D User s Manual ...

Страница 3: ...ities pursuant to the purchaser s legitimate business needs No material in this document may be copied by any third party 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 107 Union Valley Road Oak Ridge TN 37830 Tel 865 220 6300 FAX 865 483 0406 http www can...

Страница 4: ...arm 10 Checking Your Stay Times 12 Checking the Accumulated Dose 12 Clearing the Accumulated Dose 13 Reading the Alarm Threshold 13 Changing the Alarm Indicators 14 Using the Backlight 15 4 Operational Verification Tests 16 Turning the Unit On 17 Turning the Unit Off 19 Instrument Test 20 Display Test Sequence 20 Ending the Display Test 23 Backlight Test 24 Sleep Mode Test 24 i ...

Страница 5: ...s 31 Changing the Rate Alarm Thresholds 32 The Dose Mode 35 The Dose Alarms 36 Reading the Dose Alarm Threshold 37 Changing the Dose Alarm Indicators 38 Changing the Dose Alarm Thresholds 39 The Source Finder Mode 41 Enabling the Source Finder Mode 41 Exiting the Source Finder Mode 42 The Sleep Mode 42 Enabling the Sleep Mode 43 When the Unit Wakes Up 43 Exiting the Sleep Mode 44 The Data Logging ...

Страница 6: ...r Replacing the Batteries 49 Charging the Batteries 51 The Battery Compartment 53 Latching the Compartment Door 54 Attaching the Belt Clip 55 The Carrying Case 55 A Specifications 58 Features 58 Detector 59 Display 60 Alarms 60 Power 61 Environmental 61 Physical 63 Qualification Testing 63 Ordering Information 63 iii ...

Страница 7: ...B Default Alarm Settings 65 C Display Units 66 D Glossary 68 E Disposing of This Equipment 70 iv ...

Страница 8: ...ettable two level audio visual and vibrating alarms for rate and dose Designed to operate in extremes of temperature shock humidity dust immersion and radiation Large easy to read backlit LCD display Intuitive six button user interface Operable readable by personnel in fire fighting or HAZMAT protective gear Can be powered by NiMH rechargeable batteries optional DC charger v ...

Страница 9: ...on stability and automatic self calibration Mirion Technologies s unique time to count technology for wider dynamic range Data logging capability to 999 points Stay time display shows time remaining to dose alarm Source finder mode Derived from military qualified MRAD115 Radiac Set vi ...

Страница 10: ...a record of radiation data for further evaluation by your Administrator READ THIS If you don t read anything else in this manual read the chapters Controls and Indicators on page 5 and Basic Operations on page 9 These cover the basics of using the UltraRadiac Plus Personal Radiation Monitor Note Operational procedures are the responsibility of the UltraRadiac Plus s users Instructions provided in ...

Страница 11: ...s Rate and cumulative Dose can alert you to hazardous conditions When an enabled alarm s threshold is exceeded a visual indicator will begin flashing and optionally an LED will blink and or an audible alarm will sound All units also include a vibrator alarm that can be independently set The Radiation Units Depending on the model your UltraRadiac Plus is factory set to display the Rate and the Dose...

Страница 12: ...n page 16 Setting Up the Unit The UltraRadiac Plus has five modes Rate Dose Source Finder Sleep and Data Logging The chapter Setting Up the Unit on page 28 describes them and tells you how to set and enable the Rate alarms and the Dose alarms Maintenance Procedures The chapter Maintenance on page 48 lists the UltraRadiac Plus s preventive maintenance checks and describes how to install charge or r...

Страница 13: ...apter 1 Introduction Note The battery recharging device should only be used with NiMH batteries Connecting the charger with Alkaline batteries may result in severe damage to the batteries or the device 4 ...

Страница 14: ... case Each of the controls and indicators is covered in detail in the remaining sections of the manual Figure 1 The UltraRadiac Plus Front Panel The Function Keys The primary function of each of the function keys is briefly described below The programming functions of these keys are covered in the chapter Setting Up the Unit on page 28 5 ...

Страница 15: ... Dose Mode ALARM Press to see the Stay Time the number of minutes you can safely stay in the area at the current Dose Rate Specific information on Stay Time is given in the Glossary on page 68 WARNING If the Dose Rate goes up your remaining Stay Time will go down You should check your Stay Time frequently when you are in the presence of radiation 6 ...

Страница 16: ...traRadiac Plus has two battery life indicators See The Batteries on page 49 for instructions on changing the batteries If a blinking 8 is displayed the unit has stopped functioning Replace the batteries before the unit s next use If a blinking BAT is seen in the top left corner of the display the unit s batteries have 10 hours or less of useful life Replace the batteries as soon as possible If the...

Страница 17: ...rols and Indicators Remaining Battery Life In the Rate Mode with the BAT indicator blinking press the CLR TEST key A three digit number indicating the approximate remaining battery life in minutes will be displayed 8 ...

Страница 18: ...n page 49 Powering the Unit To turn the unit on press ON OFF until 000 is displayed Release ON OFF In a few seconds the instantaneous rate will be displayed with the word RATE at the top left of the screen If a 8 or a blinking BAT indicator appears in the display or if the display is blank refer to The Battery Life Indicators on page 7 To turn the unit off press ON OFF until is displayed 9 ...

Страница 19: ...u how you turn it off Clearing the Low Rate Alarm Press the CLR TEST key to turn off the vibrator and the audio alert The visual alerts will continue until the rate falls below the Low Rate Alarm threshold Clearing the High Rate Alarm Press the CLR TEST key to turn off the vibrator The audio if enabled and visual alerts will continue until the Rate falls below the High Rate Alarm threshold 10 ...

Страница 20: ...io alert The visual alerts will continue until the integrated Dose is reset to 0 To turn off the visual alerts you ll have to clear the dose memory See Clearing the Accumulated Dose on page 13 Clearing the High Dose Alarm Press the CLR TEST key to turn off the vibrator The visual alerts will continue until the integrated Dose is reset to 0 To turn off the alerts you ll have to clear the dose memor...

Страница 21: ...n Stay Time is given in the Glossary on page 68 WARNING If the Dose Rate goes up your remaining Stay Time will go down You should check your Stay Time frequently when you are in the presence of radiation Checking the Accumulated Dose Press DOSE to see the accumulated dose the word DOSE is at at the top right of the screen To return to the Rate Mode press the RATE key 12 ...

Страница 22: ...ted dose To return to the Rate Mode press the RATE key Reading the Alarm Threshold Press ALARM RATE or ALARM DOSE You ll see an H for High Level Alarm displayed To read the Low Level Alarm setting press the RATE DOSE key again the display will show an L Press the CLR TEST key the flashing display will show the selected H or L alarm threshold setting 13 ...

Страница 23: ...ndicators Press the ALARM RATE keys or the ALARM DOSE keys You ll see an H for High Level Alarm displayed To change the Low Level indicators press the RATE DOSE key again the display will show an L Press the CLR TEST key to access the selected H or L indicators Repeatedly press the ALARM key until you see the desired combination of indicators AUDio VISual vibrator or no indicators 14 ...

Страница 24: ...e Backlight In dim light you can enable the unit s backlight to read the display Press the LIGHT key The display s backlight will turn on To conserve battery power the backlight will automatically turn off in about five seconds 15 ...

Страница 25: ... Plus out of its shipping carton you ll have to install its batteries See The Batteries on page 49 for instructions CAUTION Use of non rechargeable batteries or rechargeable batteries other than those supplied or recommended by Mirion Technologies Canberra may cause an explosion or other fire hazard resulting in personal injury Mirion Technologies Canberra is not liable for personal injury or dama...

Страница 26: ...ey The unit will display the numbers 0 1 2 3 4 in sequence The Rate Mode display should appear with the word RATE shown at the top left of the screen Figure 2 Figure 2 The Rate Display If 8 or a blinking BAT indicator appear in the display or if the display is blank refer to The Battery Life Indicators on page 7 17 ...

Страница 27: ... Dose Mode press the DOSE key Press the RATE key to return to the Rate Mode The rate units indicator hr R µ will blink slowly to show that the Rate Mode is active Note Because the UltraRadiac automatically adjusts its display to accommodate the amount of data the units R for instance may be displayed with a prefix For instance at natural background levels you ll see µR microroentgens 1 Naturally o...

Страница 28: ...t R It s important to understand these units because each one is 1000 times greater than the previous one Turning the Unit Off To turn the unit off Press and hold the ON OFF key OFF will be displayed Then you ll see Release the ON OFF key the unit will turn its power off All data collected up to this time will be stored in memory 19 ...

Страница 29: ...hen release the key2 Figure 3 The Test Display Display Test Sequence A set of numbers in the following order will appear Check that all of the numbers are exactly as shown below 2 The GN located in the upper right corner of the display is used only by maintenance technicians It s shown here so you can verify that the entire display is operating properly 20 ...

Страница 30: ... 6 R 777 R 888 R 999 R 00 0 µR 9 blinking The blinking 9 indicates that the unit passed all tests A blinking 0 indicates a failure contact your local Mirion Technologies Canberra Service Center Press the CLR TEST key to return to Rate Mode or wait about 10 seconds 21 ...

Страница 31: ...SE key the audio alarm should sound and the Dose LED the right hand one below the display should turn on Press the ALARM key the audio alarm should sound and both LEDs should turn on If the optional vibrator alarm is installed the unit will vibrate when any of these three keys is pressed Checking the Function Keys When the 000 display appears during the Testing the Display sequence press each func...

Страница 32: ...circuit Function Indication DOSE 002 ALARM 010 RATE 001 LIGHT 020 CLR TEST 004 Ending the Display Test At the end of the test sequence the blinking 9 will appear indicating that the Rate Mode is operational A blinking 0 indicates a failure contact your local Mirion Technologies Canberra Service Center The unit will return to the Rate Mode in about ten seconds 23 ...

Страница 33: ...s This function is meant to be used in total darkness the backlight may not be visible in daylight or normal room lighting Sleep Mode Test Press and hold the RATE key then press the ON OFF key The characters SLP will be displayed briefly When you see release both keys You ll see the SLEEP indicator at the top of the screen Figure 4 24 ...

Страница 34: ...tor disappears The unit will cycle through the 0 4 startup sequence then return to the Rate Mode Completing the Test When the UltraRadiac has passed all tests the unit is ready for operation If the unit fails any of these Operational Verification Tests contact your local Mirion Technologies Canberra Service Center 25 ...

Страница 35: ...Has Failed Contact your local Mirion Technologies Canberra Service Center for repairs Operation at Low Temperatures At temperatures below 22 F 30 C it takes somewhat longer for characters to form on the display The UltraRadiac Plus automatically corrects for this by sensing the ambient temperature and increasing the display refresh time from two to five seconds Operation of the UltraRadiac Plus is...

Страница 36: ... dose rate exceeds the range of the UltraRadiac Plus The error might be greater than 20 The value of the displayed dose rate and consequently of the calculated dose is not accurate The true rate might be significantly higher than the displayed value Above 600 R h 6 0 Sv h the unit will not increase dose rate measurement and will keep displaying 600 R h 6 0 Sv h 27 ...

Страница 37: ...o set and enable the alarms This is applicable only if the functions were not disabled by the optional Model S900 UltraRadiac Setup Software CAUTION To make your changes permanent you must go through the entire setup sequence outlined in this chapter Exiting the sequence before it is complete such as by changing only one parameter then waiting 10 seconds for the display to return to the Rate Mode ...

Страница 38: ...il you see the Rate display in Figure 6 Figure 6 The Rate Display The Rate Alarm There are two Rate Alarm Thresholds Low Rate for a minor hazard and High Rate for a severe hazard The alarm indicators will remain enabled as long as you remain in the radiation area that triggered the alarm 29 ...

Страница 39: ...l Vibrator Enabled The unit will vibrate Low Threshold There are several indicators for the Low Rate Alarm Threshold Figure 6 Visual Enabled The RATE and ALARM indicators and the left LED will flash slowly Audio Enabled The audio will beep slowly Optional Vibrator Enabled The unit will vibrate The optional Vibrator Alarm can be used in addition to the audio and visual alarms when background noise ...

Страница 40: ...he display will show an L Press the CLR TEST key the flashing display will show the selected H or L alarm threshold setting If the optional Vibrator Alarm has been activated the display will alternate between the threshold value and a vertically scrolling horizontal bar Changing the Rate Alarm Indicators To change the High level H or Low level L alarm indicator settings Press the ALARM and RATE ke...

Страница 41: ...tor or no indicators The unit will automatically return to the Rate Mode display about 10 seconds after the last keypress Changing the Rate Alarm Thresholds To change the High level H or Low level L rate alarm settings Press the ALARM and RATE keys You ll see an H for High Level Alarm displayed To access the Low Level Alarm settings press the RATE key again the display will show an L Press the CLR...

Страница 42: ...r Changing the Alarm Indicators To choose one or more of the alarm indicators for the selected alarm level Repeatedly press the ALARM key until you see the desired combination of indicators AUDio VISual vibrator or no indicators Setting the Alarm Threshold To set the threshold for the selected alarm level Figure 7 Figure 7 Changing the Rate Alarm Threshold 33 ...

Страница 43: ... decimal point location and threshold unit indication The left most digit will begin to flash Repeatedly press the RATE key until the desired value of the digit is displayed Press the CLR TEST key to lock in the digit s value The next digit will begin to flash Repeat the above two steps to select and lock in each of the two remaining digits When the last digit has been set the entire threshold val...

Страница 44: ...ess the DOSE key The Dose Mode display Figure 8 will show you the dose that has accumulated since the unit s memory was last reset to zero Figure 8 The Dose Display The AUD and VIS display indicators will be seen only if the corresponding Dose Alarm mode and its indicator have been enabled See Changing the Dose Alarm Indicator on page 38 35 ...

Страница 45: ...can be used in addition to the audio and visual alarms when background noise makes the audio alarm hard to hear High Threshold There are several indicators for the High Dose Alarm Threshold Figure 8 Visual Enabled The DOSE and ALARM indicators and the right LED will flash quickly Audio Enabled The audio will beep quickly Optional Vibrator Enabled The unit will vibrate 36 ...

Страница 46: ...h slowly Audio Enabled The audio will beep slowly Optional Vibrator Enabled The unit will vibrate Reading the Dose Alarm Threshold To display the High level H or Low level L dose alarm thresholds Press the ALARM and DOSE keys You ll see an H for High Level Alarm displayed To read the Low Level Alarm setting press the DOSE key again the display will show an L 37 ...

Страница 47: ...zontal bar Changing the Dose Alarm Indicators To change the High level H or Low level L alarm indicator settings Press the ALARM and DOSE keys You ll see an H for High Level Alarm displayed To change the Low Level indicators press the DOSE key again the display will show an L Press the CLR TEST key to access the selected H or L indicators Repeatedly press the ALARM key until you see the desired co...

Страница 48: ... Press the ALARM and DOSE keys You ll see an H for High Level Alarm displayed To access the Low Level Alarm settings press the DOSE key again the display will show an L Press the CLR TEST key the flashing display will show the selected alarm level H or L settings If the optional Vibrator Alarm has been activated the display will alternate between the threshold value and a vertically scrolling hori...

Страница 49: ...on are displayed Press the CLR TEST key This action will lock in the selected decimal point location and threshold unit indication The left most digit will begin to flash Repeatedly press the DOSE key until the desired value of the digit is displayed Press the CLR TEST key to lock in the digit s value The next digit will begin to flash Repeat the above two steps to select and lock in each of the t...

Страница 50: ...loser to the radioactivity or further away the unit will click faster or slower For best results aim the top of the unit at the suspected source of the radiation The Rate and Dose modes are active when the Source Finder Mode is enabled This means that you can read the higher Rate or Dose without exiting the Source Finder Mode Enabling the Source Finder Mode To enable the Source Finder Mode Press a...

Страница 51: ...p Mode is enabled most of the unit s circuits will be turned off to conserve battery power Every 5 minutes the unit will wake up for 4 6 seconds and check the current Rate The battery life time for the UltraRadiac Plus in this mode is approximately 2000 hours WARNING Do not place the unit in Sleep Mode before responding Doing so can expose you to radiation for as long as five minutes before you ar...

Страница 52: ...F key The characters SLP will be displayed briefly When you see release both keys You ll see the SLEEP indicator at the top of the screen Figure 9 Figure 9 The Unit is Asleep When the Unit Wakes Up It compares the current Rate with the Rate Alarm thresholds If a Rate Alarm is triggered the unit will stay awake 43 ...

Страница 53: ...mulate Dose data while asleep Exiting the Sleep Mode To exit the Sleep Mode Press and hold the ON OFF key until the unit starts cycling through the 0 4 startup sequence The unit will then exit the Sleep mode and enter Rate Mode The Data Logging Mode The Data Log lets you record up to 999 individual dose rate data pairs each with an index number for later retrieval This is useful for performing a s...

Страница 54: ...bout three seconds The next sequential rate dose pair index number will appear Release both buttons The unit will save the data pair and its index then return to the Rate Mode This process takes about 10 seconds To record another reading point the unit at the location to be recorded and repeat the process Viewing the Data Log To view the stored data the unit must be OFF Press the RATE and OFF ON k...

Страница 55: ...the index number scrolling up DOSE button will next display the Rate data and scrolling up once again will display the Dose data Scrolling down RATE button will reverse the order of sequence numbers but will still display first Rate data then Dose data Scrolling will wrap around the memory from first index entry to last or last to first To return to normal operation the unit must be turned off and...

Страница 56: ...ata in that location Clearing the Data Log To clear all stored data you must be in the Viewing the Data Log mode See the previous section While pressing both the RATE and ALARM keys press and hold the CLR TEST key for two seconds The first index number 0 will appear This indicates that all data has been cleared To return to the Rate Dose mode of operation turn the unit OFF then back ON 47 ...

Страница 57: ...cks Include Cleaning the unit Inspecting the battery compartment s door gasket Inspecting the battery contacts for corrosion Cleaning the Unit Remove dust moisture and loose dirt from the outside surfaces of the UltraRadiac Plus with a clean soft cloth If necessary the unit may be cleaned with a mild solution of ordinary detergent and water rinsed and thoroughly dried 48 ...

Страница 58: ...or turn its fastener a quarter turn counterclockwise swing the door open and slide out all four batteries Install fresh batteries in the order shown in Figure 10 CAUTION Be sure to observe the polarity next to each of the four battery slots The end of the battery facing out should match the slot s marked polarity as shown in Figure 10 and Figure 11 With the batteries correctly installed close and ...

Страница 59: ...Chapter 6 Maintenance Figure 10 Location of the Batteries Figure 11 The Battery Polarity Indicators 50 ...

Страница 60: ...batteries insert them into the UltraRadiac Plus and set the battery charger switch to ON position In this setting the charger will continuously charge the batteries while they are in the unit In the POWER position the UltraRadiac Plus can be powered directly off of the charger without the batteries present It can run in this mode indefinitely although it can not recharge batteries in this mode See...

Страница 61: ...Chapter 6 Maintenance Figure 13 Right Side View of UltraRadiac Plus Note Do not attempt to charge standard alkaline batteries Damage can occur 52 ...

Страница 62: ...raser Inspect the seal on the inside of the door Figure 14 it should be whole and entire If the seal is cracked or broken the unit may no longer be watertight Inspect the O ring seal around the door latch s post Figure 14 If the seal is cracked or broken the unit may no longer be watertight For repair contact your local Mirion Technologies Canberra Service Center When the inspection is complete cl...

Страница 63: ...astener a quarter turn clockwise Note It may be necessary to turn the fastener slightly to line it up with the latch post before latch will engage When the door is properly closed it will be possible to lay the fastener s D ring down in the cover s fastener recess Note When the door is latched the unit may turn itself on in the Sleep Mode To return to normal operation 54 ...

Страница 64: ... the clip s two captive retaining screws into the threaded inserts at the top of the unit s rear panel Note To prevent cross threading damage insert each screw loosely then tighten them alternately a few turns at a time Do not over tighten The Carrying Case If the belt clip is installed remove it from the back of the UltraRadiac Plus by unscrewing its two captive retaining screws and lifting the c...

Страница 65: ...ard the bottom closed end of the case To close the case refer to Figure 15 and Fold the top flap down over the front of the case Pull the narrow strap across the top flap Secure the narrow strap to both the top flap and the side of the case Thread your belt through the slots in the belt loop 56 ...

Страница 66: ...The Carrying Case Figure 15 Using the Carrying Case 57 ...

Страница 67: ... h Dose rate alarm will function to 5 0Sv h 500 R h DOSE URAD PLUS S 0 001 µSv to 999 Sv URAD PLUS R 0 1 µR to 999 R PRESETTABLE AUDIBLE AND VISUAL ALARMS User defined and set dose and dose rate alarms INITIALIZATION TIME Operational in less than five seconds SETUP TIME Less than one minute for all checks and alarms ACCURACY Within 30 from 1 µSv h 100 µR h to 2 0 Sv h 200 R h 58 ...

Страница 68: ...alth CASE Die cast aluminum available in black or yellow EMI SUSCEPTIBILITY Will not be affected or cause other equipment to be affected by its use OPERABLE AND READABLE By persons wearing protective clothing Detector DETECTOR Energy compensated GM tube GAMMA ENERGY DEPENDENCE 40 60 keV to 1 5 MeV TOTAL ACCUMULATED DOSE READOUT Will not be erased when read resettable to zero as desired 59 ...

Страница 69: ...lit for night use UNITS URAD PLUS S provides data in units of µSv mSv Sv µSv h mSv h and Sv h URAD PLUS R provides data in units of µR mR R µR h mR h and R h Alarms SELECTABLE ALARMS Has selectable Visual and Audible indicators for day or night use Alarm levels are settable over entire dynamic range ALARM TYPES Alarm on dose rate and total cumulative dose ALARM LEVELS Two alarm levels available fo...

Страница 70: ...isplay of remaining time LOW BATTERY INDICATION Triggered when the remaining battery life is approximately 10 hours allows display of remaining time in minutes Accept standard off the shelf rechargeable NiMH batteries with DC charger to URAD PLUS power connector Environmental OPERATING TEMPERATURE 22 F to 141 F 30 C to 61 C Vibrating and audible alarms functional to 50 C 61 ...

Страница 71: ...ement is still accurate and audible and vibrating alarms are still functional even with the slower display refresh rate at low temperatures STORAGE TRANSPORT TEMPERATURE 40 F to 158 F 40 C to 70 C HUMIDITY Functions correctly over RH 40 to 93 at 95 F 35 C WATER IMMERSION including salt water 3 ft 1 m for at least 2 hr SAND DUST Operates in winds with exposure to fine dust and sand particles FUNGUS...

Страница 72: ...2 8 in 3 210 cc Qualification Testing UltraRadiac Plus has been type tested to meet ANSI N42 33 2006 with minor exceptions Sec 6 4 Sec 5 12 and Sec 5 7 optional Ordering Information URAD PLUS S Y UltraRadiac Plus Yellow Sv unit alkaline batteries URAD PLUS S B UltraRadiac Plus Black Sv unit alkaline batteries URAD PLUS R Y UltraRadiac Plus Yellow R unit alkaline batteries 63 ...

Страница 73: ... R B UltraRadiac Plus Black R unit alkaline batteries URAD PLUS DCCHARG DC charger with cigarette lighter connector needs NiMH rechargeable batteries to operate URAD PLUS MOUNT Vehicle mount for URAD PLUS allows the use of DC charger 64 ...

Страница 74: ...R hr Dose 100 mR 10 R Sv Low Setting High Setting Rate 1 mSv hr 100 mSv hr Dose 1 mSv 100 mSv The factory settings can be changed manually refer to the chapter Setting Up the Unit on page 28 or via the optional Model S900 UltraRadiac Setup Software CAUTION The System Administrator is responsible for determining and setting the proper operational alarm thresholds for each UltraRadiac Plus 65 ...

Страница 75: ...s For example The Rate may start with µR h natural background radiation is less than 20 µR h If the Rate increases beyond 999 µR h the display will change to mR h micro µ µR one millionth of a roentgen milli m mR one thousandth of a roentgen or µR times 1000 centi c cR one hundredth of a roentgen or mR times 10 the base unit R one roentgen cR times 100 3 The display units are set at the factory th...

Страница 76: ... The centi prefix will be seen only on UltraRadiac s displaying sievert units 67 ...

Страница 77: ...rate in time of radiation e g Roentgen per hour Also called Rate Rate The amount of radiation measured by the UltraRadiac Plus every 2 seconds then extrapolated to and displayed as units per hour Roentgen R Unit of measure of radiation exposure monitors the amount of radiation received Sievert Sv Unit of measure of absorbed radiation monitors the biological danger of radiation 68 ...

Страница 78: ...High Dose Alarm Setpoint minus the already accumulated Dose by the current Dose Rate then converting the result to minutes If the display reads 999 the maximum your Stay Time is at least 16 5 hours WARNING If the Dose Rate goes up your remaining Stay Time will go down You should check your Stay Time frequently when you are in the presence of radiation 69 ...

Страница 79: ...nt does not pose a threat to the environment or to humans when it becomes obsolete and requires disposal The symbol below also found on your equipment indicates that this equipment should not be disposed of in unsorted municipal waste Therefore following the provisions of COUNCIL DIRECTIVE 2002 96 EC on waste electrical and electronic equipment WEEE we ask that you contact your nearest Mirion Tech...

Страница 80: ...n materials or workmanship are discovered within the applicable warranty period as set forth above we shall at our option and cost A in the case of defective software or equipment either repair on a return to factory basis or replace the software or equipment or B in the case of defective services re perform such services LIMITATIONS EXCEPT AS SET FORTH HEREIN NO OTHER WARRANTIES OR REMEDIES WHETH...

Страница 81: ... service or repair the equipment by other than our Service Personnel without our prior approval Our warranty does not cover detector damage due to neutrons or heavy charged particles Failure of beryllium carbon composite or polymer windows or of windowless detectors caused by physical or chemical damage from the environment is not covered by warranty We are not responsible for damage sustained in ...

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