MGP DMC 2000 S User manual

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Stand‐Alone/AutonomousOperation

5000HighlandsPkwySuite150Smyrna,GA.30082

770‐432‐2744www.mirion.com

User’sManual

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DMC‐2000SeriesElectronicDosimeter

Document#15‐00079

Revision0

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TableofContents

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•Introduction

•Basics

‐PartsoftheDosimeter

‐ChangingtheBattery

‐PauseDisplayInformation

•Operation

‐Activation/Deactivation

‐ChangingAlarmSetPoints

•Troubleshooting

•GlossaryofTerms

•RMA/ServiceForm

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

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WARNING:DONOTLETTHEDMCBATTERYCOMPLETELYDISCHARGE.

THEDMCWILLNOTIFYYOUWHENTHEBATTERYNEEDSCHANGING.

LETTINGTHEBATTERYCOMPLETELYDISCHARGECANPOTENTIALLY

RESULTINFAULTERRORSREQUIRINGADDITONALHARDWARE(READER)

TORESET.



ATTENTIO

:USEONLYAPPROVEDBATTERIESINTHEDMC2000(see

page6).OTHERBATTERIESMAYRESULTINDAMAGETOTHEDEVICE.



PartsoftheDosimeter



(for hands-free

communication)



* Not a Reset button. Do not insert pointed

objects (pen tip, screwdriver) as damage may

occur.



(for communication)



Do not remove any of the four case screws. There are no serviceable

parts inside the dosimeter. Removal will compromise waterproof and

EMI resistant characteristics and void any warranty.

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ChangingtheBattery

NOTE:thebatteryontheDMC2000Sshouldbechangedwhenthe‘BALO’or‘DFBAT’warnings

aredisplayed.Waitinguntilthedosimeteriscompletelydeadcanresultinfaulterrors

requiringreaderhardwaretoclear.

1. Removetheclip.Usingasmallflatheadscrewdriverorsimilartool,gentlyliftupthe

tabatthetopoftheclipandslidethewholeclipoffthebackofthedosimeter.Onlya

slightamountofpressureisneeded.

2. Removethebatterycover.Usingeitheraprovidedbatterytoolorawatchcasewrench

orsimilartool,unscrewthebatterycover.

3. InsertaRenataCR2450NorToshiba2450battery(otherbrandshaveincorrectphysical

profilesandwillcauseshortsand/orpotentialdamagetothedevice,seeimageAfor

example)inthebatterycompartment,withthepositiveplatedown(flushagainstthe

speaker.SeeimageAforexample.)

A. 

B. 



4. Replacethebatterycover,tighteningittohand‐tightplusanadditional¼turnwiththe

batterytool.

5. Replacetheclip,slidingitintherailsonthebackofthedosimeteruntilitclicksandlocks

intoplace.



DisplayIndicationsinPause*Mode



Pressesof

theButton

DisplayIndicationDescription

0Pause:Dosimeteriseffectively‘off,’awaitingfurtheraction.

1Change:StartpointforputtingtheDMCin“Run”mode.

2Modif:Startpointformodifyingsetpointsandparameters.

3SerialNumberoftheDMC

4Reset:Indicateswhetherdoseisresetbetweenuses.

5CumulativeDosereceivedonlastuse.

6HighestDoseRatereceivedonlastuse.

7AmountoftimetheDMCwaslastinrunmode.

8Dosealarmthresholdsetting.

9Ratealarmthresholdsetting.

10Displayswhatsettingtheaudiblechirprateissetto.**

11IndicateswhethertheDMCisinautonomousmode.

12Externaldetector(unusedplaceholdervalue)

EXT

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*NOTE:PAUSEModeintheDMC2000iseffectively“Off.”TheDosimeterisnevermeanttobe

completelypowereddown.

**0=Off,1=chirpevery10mrem,2=chirpevery1mrem,3=chirpevery0.1mrem,4=chirp

every8counts(pulses),5=chirpevery4pulses,6=chirpeverypulse.

NOTE:DMC2000XBandGNmodelshaveadditionaldisplaysandparametersforsecondary

channels.

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ActivatingtheDMC2000(FromPausetoRunMode)

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StepAction

1PressButtonOnce.Displaychangesfromtoo

2Waitforthedisplaytochangeto.

3Quicklypressbuttononce.

4Displaychangestospeakerbeeps,LEDflashes.

5

EXT

Dosimeterisactive,accumulatingdose.Displayshowsmeasurements.



DisplayIndicationsinRunMode

Pressesofthe

Button

DisplayIndicationDescription

0DisplayofDose(defaultdisplay)

1ChangestoDose/RateDisplay

2ReturnstoDoseDisplay



DeactivatingtheDMC‐2000(fromRuntoPauseMode)

StepAction

1DisplayreadsPressandholdbutton8‐10seconds.

2Withoutreleasingbutton,displaychangestoandthen.

3ReleaseButton.DisplaychangestoDMCbeeps,LEDflashes.

4Dosimeterisdeactivated(PauseMode).

EXT

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ParameterModification

NOTE:Modifyingparametersandsetpointstakespracticeandpatience.Youmayencounterthedisplayreturning

toPAUSEduringamomentofinactivity.Followthestepsinthissectiontoreturntomodifyingtheparameters.

StepAction

1Startfrom.

2Pressbuttontwicepassingtogettowaitamoment.

3Whendisplaychangestopressbuttononce

4Modificationmodeaccessed.Pressbuttononceforserialnumber.

5Pressbuttononcemore,displayiswithaflashing“P.”

EXT



Theflashing“P”indicatesthatthedosimeterparametersarereadytobealtered.Thereare

threestepstothisprocess,eachrepresentedbyadifferentletter:

‐AflashingP:theparametertomodifycanbeselected.

‐Aflashingd:whichdigitoftheparametertochangecanbeselected.

‐AndaflashingI:thevalue,orincrement,oftheselecteddigitcannowbechanged.



Thestepsformodifyingalarmsetpointsareasfollows:

StepAction

1Completethestepsintheprevioussectionuntilthedisplayreads.

2Pressthebuttonrepeatedlyuntilyoureachtheparametertobeadjusted.

3Holddownthebuttonuntilthe‘P’changestoa‘d’.

4Pressthebuttonrepeatedlyuntilthecorrectdigittobechangedisselected.

5Holddownthebuttonuntilthe‘d’changedtoan‘I’.

6Pressthebuttonrepeatedlyuntilthedesiredvalueisreached.

7Holdbuttondownuntil‘I’changesbackto‘P’repeatstepsasneeded

8Wait10secondsforthechangestobesaved,DMCreturnstoPAUSE.



TroubleshootingandMaintenance



FaultMessages:



Display CauseCorrectiveAction



LowBattery(On)



Dosimeterisinrunmodeandthe

batteryisneardead.The“BALO0X”

displayindicatesthatthereare“X”

hoursofoperationaluseremaining,

(between1and9hours.)



•

Changethebatterybeforethe

DMClosespowercompletely.

•Verifythatprotectiveinsulatoris

installedunderthebattery.



LowBattery

(Off)



ThedosimeterisintheOFF orPAUS

mode,andthebatteryisneardead.The

batterywilldiecompletelywithin72

hoursiftheDMCremainsinthePAUSE

mode.



•

Changethebatterywithin72

hoursifpossible

Caution:Allowingthebatteryto

completelydischargemaycause

themicroprocessortolock

resultinginablankdisplayandred

LEDtobeconstantlyONwhen

installingaNEWbattery,orin

faultstatesrequiringadditional

hardware(Reader)toreset.



DefectiveBattery



Dosimeteriscompletelywithoutpower,

eitherfromacompletelydischarged

battery,acapacitorthatneedstobe

reset,orashortcircuitinthepower

supply.

•

Changethebattery

•Checkbatterygroundcontactwire

•Usetheprovidedresettool(see

explanationpage12).

•ContactMGPIforverificationof

deviceparameters.



DefectiveHistory



Problemintheintegrityofthehistorical

data.Thiscanoccurafterthebattery

hasbeenhandled(removedor

changed).



Missingbit/pointerinthehistogram



•

ContactMGPIforverificationof

deviceparameters.

•Requiresadditionalhardware

(Reader)toclear.





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