Laurus Health Physics Miron Technologies DMC 3000, User Manual

Page 1: ...DMC 3000 User s Guide Health Physics Division 151153EN D ...

Page 2: ...ose and Rate Alarms or Warnings 17 5 2 Time Alarm 18 5 3 Low Battery 18 5 4 Power Loss 19 5 5 Faults 19 6 Battery Replacement 23 7 Clip Replacement 24 7 1 Standard or Belt Clip 24 7 2 Front Facing Clip 24 8 Manual Calibration Maintenance 25 8 1 Manual Calibration 25 8 2 Maintenance 25 9 Technical Characteristics 26 9 1 Physical Characteristics 26 9 2 Electrical Characteristics 27 9 3 Mechanical Ch...

Page 3: ...urement unit G2 DMC 2000 compatible protocol Alarm type Measurement type Measurement or parameter display area Disable flash vibrator and speaker indicators Red LED for alarm Green LED for gamma counting Blue LED for Hp 0 07 or neutron counting Large backlit display with 8 digits Functional indicator blinking 1 Presentation ...

Page 4: ...methods to alert the wearer of alarm conditions including a high decibel speaker 1 Flashing LED on the front face 3 bright LEDs on the top a vibrator See Chapter 5 for a complete description of these alarms Only two buttons for easy access to all the DMC 3000 s functionality See Chapter 4 for more information on button use The indication of dose increment is visible with the green LED even when an...

Page 5: ... on the DMC 3000 by an asterisk in the display s bottom right corner This guarantees compatibility with the existing Mirion readers LDM 220 LDM 2000 and LDM 3000 and software DosiServ DosiCare and Sentinel The enhanced communication protocol G3 requires new readers such as the LDM 320D LDM 320W or LDM 2000 with upgraded firmware Please contact MirionTechnologies for compatibility diagnostic and in...

Page 6: ...se alarm dose alarm threshold cumulative dose current dose rate 2 2 4 Add on Module An additional module such as a telemetry device can be attached at the bottom of the DMC 3000 simply by removing the battery cover All these add on modules have their own parameters saved on non volatile memory and modify the confi guration of the DMC 3000 when attached to it 2 2 5 Rate Alarm Latched The DMC 3000 a...

Page 7: ...k and RWP codes change in operating mode Pause and Run dosimeter fault parameter changes In order to date accurately all the data the DMC 3000 is equipped with a Real Time Clock to keep the clock time In satellite mode this RTC could be set during configuration with a reader during entry If the DMC 3000 is in G3 protocol all the events and dose increments are dated in date format DD MM YYYY and HH...

Page 8: ... ensure the most accurate dose measurement The DMC 3000 will warn you when the battery needs to be replaced A completely discharged battery can cause leakage that may damage your DMC 3000 Thus dead batteries should be removed or replaced promptly Only approved batteries or high quality Alkaline batteries should be used with your DMC 3000 see Chapter 6 There are no serviceable parts inside your DMC...

Page 9: ...ement Note As soon as the dosimeter switches back to Pause mode the fast entry mode is disabled To return to fast entry mode set parameters again If the fast entry mode is automatically set the DMC 3000 will revert to fast entry mode when back in Pause assuming no alarm 1 2 3 Note DOSIMASS DM does not have the ability to modify the DMC 3000 s parameters 3 2 Operating Modes DMC 3000 dosimeter can b...

Page 10: ...goes into Pause with a backlit display and all display segments activate for 2 seconds Note The first press on any push button only turns on the backlight for 3 seconds 1 The configuration of the set point is available in autonomous mode only 2 Done manually in autonomous mode or with the use of a reader in satellite mode 4 States Modes How to configure in automomous See 4 4 How to switch between ...

Page 11: ... 11 4 1 Run Pause Flow Diagram Long press 2s T O Time Out ...

Page 12: ...isplay Parameters Display Dosimeter number Rate warning set point Wearer s name Run time warning set point Wearer ID Chirp mode Dose alarm set point Date of next calibration Dose warning set point Dosimeter mode Rate alarm set point Software version Data list is configurable with dmcUser choice and order See 4 5 for complete list Parameter list is configurable with dmcUser choice and order See 4 5...

Page 13: ...dose Current rate Remaining time before alarm in Run Date Parameters Display Parameters Display Dosimeter number Dose warning set point Wearer s name Rate warning set point RWP Run time warning set point Date Chirp mode Dose alarm set point Operating mode Rate alarm set point ...

Page 14: ... 14 4 4 Set Point Modifications Only available in autonomous mode ...

Page 15: ...oint Dose warning setpoint Rate warning setpoint Parameters Beeps at dose change Autonomous or satellite flag Software version FLASH memory checksum Worker identifier Worker order task code OT Thermoluminescent film number TLD Radiation Work Permit RWP The following data and parameter options are available in Pause and Run mode They can be selected and ranked by preference using dmcUser software T...

Page 16: ...front red flashing LED Red flashes from the top red indicator LED Vibrations Note In case of simultaneous alarms corresponding messages and symbols are displayed based on priority level Speaker vibrator and red LED can be disabled when configuring the DMC 3000 This function can be factory configured or modi fied using the DMCUser maintenance software in G3 protocol only Look at the pictogram on th...

Page 17: ... 1 Dose and Rate Alarms or Warnings The DMC 3000 has 2 configurable dose alarms from 1 µSv to 10 Sv and 2 configurable rate alarms from 10 µSv h to 10 Sv h Please contact MirionTechnologies for a rate set point between 1 µSv h and 10 µSv h and see 9 1 Dose and rate warnings are acknowledgeable by pressing either push button for longer than 3 seconds The rate alarm and warning occur when the rate e...

Page 18: ...TOP LED 1 red flash every second After 72 hours of low battery in PAUSE mode the DMC goes into power loss during 2 minutes and then turns off In Run In Pause 5 2 Time Alarm 5 3 Low Battery Alarm Type Display Speaker Flash LED Vibrator and Top Red LED Time Alarm 1 short beep every second FLASH LED 1 flash every 10 seconds VIBRATOR 1 vibration every 10 seconds TOP LED 1 red flash every second The DM...

Page 19: ...every 10 seconds NO FLASH LED NO VIBRATOR TOP LED 3 red flashes every 2 seconds Alarm Type Display Speaker Flash LED Vibrator and Top Red LED Minor Fault Dosimeter needs a new calibration none NO FLASH LED NO VIBRATOR TOP LED only 1 red flash 5 4 Power Loss 5 5 1 Minor Fault Alarms 5 5 Faults ...

Page 20: ...nd in Run mode All the main functions are controlled by the microcontroller and all the data parameters and configurations integrity are protected by the CRC16 The calibrations and algorithm parameters are protected by the CRC16 and saved inside a specific and dedica ted EEPROM The different DC voltages on the electronic board are periodically measured and controlled If a fault is detected an alar...

Page 21: ...integrity saved in memory Pulse counting limitation due to an amount of mecha nical shocks on the detection circuit Confirm whether or not this fault occurs with normal use no high mechanical or electromagnetic stress Contact Mirion for verification Electrical problem related to the speaker circuit Verify that the speaker cavity is not obstructed and the battery voltage is not too low low battery ...

Page 22: ... complete check of the gamma and X ray detection capabilities two complementary tests are performed First a periodic optical test is performed every 10 minutes both in Pause and Run modes by generating light pulses on both detectors to simulate gamma photons If the number of pulses detected is less than expected on one of the two channels a fault is displayed indicating that the detection function...

Page 23: ...sary with standard or front facing clip Unscrew the two screws 3 with the screwdriver provided with your DMC 3000 1 Rotate and remove the battery cover 4 Disengage the AAA battery on the side first 5 Removal Replacement 6 Battery Replacement 1 3 4 5 2 6 Take care to not damage the gasket We recommend to replace the battery cover every five years or if gasket is damage For proper sealing equal and ...

Page 24: ...ip as shown Lift the clip lug of the clip 1 while sliding down the clip 2 Engage the clip on the middle of it location 3 Press the clip strongly with the thumbs 4 until the spring is compressed then slide up the clip 5 until locked click sound Removal 7 1 Standard or Belt Clip 7 2 Front Facing Clip Lift up 6 on both sides and disengage the clip from the attachment guide 7 Removal Replacement Repla...

Page 25: ...spection Speaker check turn On your DMC with rate warning set at 0 Note The DMC 3000 is provided with an initial factory calibration traceable to international reference standards Mirion recommends an annual calibration check although the re calibration interval may be determined by the customer based on service environment frequency of use and requirements defined by local regulations The DMC 300...

Page 26: ...Display dose 1 µSv to 10 Sv 0 1 mrem to 1000 rem Display rate 0 01 mSv h to 10 Sv h 1 mrem h to 1000 rem h or 0 001 mSv h to 10 Sv h 0 1 mrem h to 1000 rem h extended option Measurement range 1 µSv to 10 Sv 0 1 mrem to 1000 rem 0 1 µSv h to 20 Sv h 0 01 mrem h to 2000 rem h Saturation indication above 10 Sv 1000 rem or 10 Sv h 1000 rem h Dose rate linearity 20 up to 10 Sv h 1000 rem h Co and X H30...

Page 27: ...side the pocket 9 4 Environmental Characteristics Temperature range 10 C to 50 C 14 F to 122 F deviation in response less than 5 Relative humidity 90 RH at 42 C 108 F Storage 20 C to 71 C 4 F to 160 F without battery Shock vibration and drop resistant 1 5meteronconcrete Waterproof IP67 1m 39 in during 1 hour EMC complies and exceeds standards by a large margin compliant certificate number 153720 M...

Page 28: ...old value Dose alarm two thresholds alarm and warning Can be adjusted over the entire display range only the warning can be acknowledged Dose rate alarm two thresholds alarm and warning Can be adjusted over the entire display range only the warning can be acknowledged Acknowledgment of warnings is accomplished by pressing and holding either push button for at least 3 seconds Checks Periodic detect...

Page 29: ...on sorted waste but must be selectively collected The batteries should not be recharged or thrown in fire Technical Characteristics Total Duration of Record without Overlap with G3 Protocol Interval Minimum Value one increment of dose each interval Average Value one increment of dose each 10 intervals 10 seconds 12 hours 5 5 days 1 minute 3 days 33 days 10 minutes 30 days 331 days 1 hour 180 days ...

Page 30: ... 30 Technical Characteristics 9 8 Reference point of calibration Note Dimensions in millimeters ...

Page 31: ...rce to your DMC 3000 make sure that the AAA battery is removed The applied voltage should not exceed 1 6 V typically remain at 1 5V and should not be lower than 1 3 V The typical consumptions are given on the below table Mode Sleep Pause Run in Background Counting Run in 120 µSv h Rate Field Run in Alarm mean value µA if no indication 30 40 100 120 200 220 220 260 160 mA vibrator speaker top LED b...

Page 32: ...d on module 153 635 Racks Mirion Technologies Reference Number Wall mounted rack of 40 DMC 3000 172 609 Wall mounted rack of 10 DMC 3000 166 010 Available colors are beige white black red yellow purple orange brown pink grey green and blue The items listed below can be ordered from MirionTechnologies should be attached to your DMC 3000 before connecting any add on module compatible with DMC 2000S ...

Page 33: ...ray boxed set Individual box Belt clip Standard clip The dosimeters are delivered either individually or in tray boxed set with or without additional clips and accessories contact your Mirion Sales Representative for details ...

Page 34: ... 34 12 CE Certificate ...

Page 35: ... 35 Notes LAURUS Systems Inc 3460 Ellicott Center Dr Suite 101 Ellicott City MD 21043 Ph 410 465 5558 Fax 410 465 5257 www LaurusSystems com ...

Page 36: ...LAURUS Systems Inc 3460 Ellicott Center Dr Suite 101 Ellicott City MD 21043 Ph 410 465 5558 Fax 410 465 5257 www LaurusSystems com ...