Mirion Technologies DMC 3000 User Manual

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DMC 3000 User’s Guide

Health Physics
Division

Radiation Safety. Perfected.

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DMC 3000 User's Guide

Revision Log

Revision Date Veried by Approved by

Origin and description

of revision

Modied Pages

A-D

From 2012-06

to 2012-10

J. PEREZ P. MARTIN N.A /

E 2015-03 J. PEREZ P. MARTIN DEVN 23331

Introduction of Beta

and Neutron Modules

All pages

F 2015-04 J. PEREZ C. DONNAY DEVS 23437

Drawings edited

14-16, 19

G 2015-11 R. DANQUIGNY P. MARTIN DEVS 23988

New features

Introduction of PRD module

7-11; 21-22;

42-43; 45

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Table of Contents

1- Presentation ...........................................................4

2- General ...................................................................5

2.1 Use and Functionality ............................................. 5

2.2 Compatibility with Mirion Technologies Products .. 6

2.3 Functionalities ......................................................... 8

2.4 Historical Data Function ...................................... 12

2.5 Handling Recommendations ................................ 13

3- Operation .............................................................14

3.1 Fast Entry Mode ................................................... 14

3.2 Operating Modes .................................................. 14

4- States Modes .......................................................15

4.1 Run / Pause Flow Diagram ................................... 16

4.2 Browsing Diagram in Pause.................................. 17

4.3 Browsing Diagram in Run ..................................... 18

4.4 Set Point Modications in autonomous mode ..... 19

4.5 Data & Parameters List ......................................... 20

5- Alarms ..................................................................21

5.1 Dose and Rate Alarms or Warnings ...................... 22

5.2 Saturation ............................................................. 24

5.3 Time Alarm ............................................................ 25

5.4 Low Battery .......................................................... 26

5.5 Power Loss (after low battery) .............................. 27

5.6 Faults .................................................................... 27

6- Battery Replacement ...........................................32

7- Clip Replacement .................................................33

7.1 Standard or Belt Clip ............................................ 33

7.2 Front Facing Clip .................................................. 33

8- Manual Calibration & Maintenance ......................34

8.1 Manual Calibration ................................................ 34

8.2 Maintenance ......................................................... 35

9- Technical Characteristics .....................................36

9.1 Physical Characteristics ....................................... 36

9.2 Electrical Characteristics ...................................... 37

9.3 Mechanical Characteristics .................................. 37

9.4 Environmental Characteristics .............................. 38

9.5 Factory Calibration and verication ..................... 38

9.6 Functional Characteristics .................................... 39

9.7 Environment .......................................................... 40

9.8 Reference point of calibration ............................... 41

10- Add-on Modules ................................................42

10.1 Dedicated documentation .................................. 42

10.2 Module Attachment ............................................ 42

10.3 DMCUser parameters ......................................... 43

10.4 Module Detachment ........................................... 44

11- Accessories References.....................................45

12- CE Certicate .....................................................46

13- Verication Certicate ........................................47

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Button for

data display

Button for
parameters display

Speaker

Front red ashing LED
for alarm

Connected module

indicator

Measurement

unit

G2 "DMC 2000" compatible protocolAlarm type

Measurement
type

Measurement or
parameter display area

Disable red ash, vibrator and speaker indicators

Top red LED for alarm
Green LED for gamma counting
Blue LED for Hp(0,07), neutron and PRD counting

Large backlit display

with 8 digits

Functional indicator
"blinking"

1- Presentation

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2- General

2.1 Use and Functionality

The DMC 3000 is the compact, rugged and reliable dosimeter designed to detect a wide range of X-ray and
gamma radiations.

The large-format, backlit, high-contrast 8-digit LCD display provides clear dose and dose rate readings for
deep dose equivalent Hp(10).

Additionally, it provides multiple methods to alert the wearer of alarm conditions, including:

 A high decibel speaker
 1 ashing LED on the front face
 A backlit LCD display
 3 bright LEDs on the top
 A vibrator.

(See Chapter 5 for a complete description of these alarms.)

The indication of dose increment is visible with the green LED or blue LED even when
an alarm is given by the two red LEDs.

Two buttons are used for easy access to all the DMC 3000's functionality.

(See Chapter 4 for more information on button use.)

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2.2 Compatibility with Mirion Technologies Products

The DMC 3000 features two protocols, G3 and G2, that use the same communication medium, with an omni­directional, low-frequency (125 kHz) transceiver.

 The enhanced "G3" communication protocol to support additional features and attached measurement

modules. It also includes a compatibility mode for previous Mirion Technologies products including Access
Control, Turnstiles and Telemetry devices.

 The compatible DMC 2000 communication protocol "G2" is indicated 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, DosiFFR and Sentinel).

Note: G2 protocol is available only on V5 rmware version.

The enhanced communication protocol "G3" requires new readers such as the LDM 320D, LDM 320W,
LDM3200 or LDM 2000 with upgraded rmware.

Attached measurement modules (neutron Hp(10), beta Hp(0,07), PRD...) can be added when the DMC 3000 is
in “G3” protocol and with rmware version V.7. See §10 for Add-on modules information.

Telemetry module can be added to the DMC 3000 whatever the protocol “G2” or G3”.

General

"G2" DMC 2000 compatible protocol

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General

V7 firmware version:

 V 7.2.1: G3-only protocol; compatible with neutron Hp(10) and beta Hp(0,07) modules.
 V 7.4.4: Added dose display resolution of 0.1 µSv, added prealarm latched until acknowledgement.
 Future release: Added PRD module support.

The DMC 3000 must be calibrated for Hp(0,07) gamma at the factory prior to initial use with the Hp(0,07) Module.
Check the verication certicate to see the calibration in Hp(0,07) of your DMC 3000.

Please contact Mirion Technologies for compatibility diagnostic and information.

If the rmware version is not viewable by pressing “+” key, use DMCUser software.

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General

2.3 Functionalities

2.3.1 Dose, Rate Notification

The high contrast and backlit LCD display provides clear indication of dose, rate and other information with 8
digits and symbols. Whatever the unit there is no scale change for the whole range.

The data information displayed on the DMC 3000 is selectable using DMCUser software.
When in pause mode (no measurement) the DMC 3000 can display PAUSE, SLEEP, ASSIGN, the wearer name,
the calibration due date or a user message

Notication:

 d: for dose
 R: for rate
 h: Run time (hh:mm:ss)
 t: Remaining Time before alarm
 V: Life dose or life time
 M: maintenance dose or time
 xxx dEF Default, "xxx" identies

the type of default (see §5.6.3
Troubleshooting guide)

Origin of dose/Rate displayed
(measurements or alarm thresholds).

 : X+Gamma Hp(10)
 : Neutron Hp(10)
 : total dose ((X+Gamma) + neutron Hp(10))
 : beta and X+Gamma Hp (0.07)
 : Gamma rate in counts per second (PRD)

Blinking Alarm Indicator:

 DOSE ALARM: Dose Alarm
 ALARM RATE: Rate Alarm
 DOSE : Dose pre-alarm
 RATE: Rate pre-alarm
 : Time Alarm

Dose, Rate unit can be:

 µSv (/h),
 mSv (/h),
 mrem (/h)

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2.3.2 Dose Increment Notication

The green LED gives the rate of primary X+Gamma Hp(10) dose increments (one ash each 1 µSv).
The blue LED is dedicated to secondary Hp(0,07) or neutron dose increments with DMC 3000 attachments.

An audible beep can also be generated, following the primary X+Gamma dose increment (see below congu­ration) or secondary Neutron or Hp(0,07) dose increment.

General

no audible signal for dose increments

1 beep every 100 µSv (10 mrem)

1 beep every 10 µSv (1 mrem)

1 beep every 1 µSv (0.1 mrem)

1 beep every 0.1 µSv (0.01mrem)

1 beep every 0.05 µSv (0.005mrem)

The conguration of the blue LED on secondary dose increments and the audible beep if from the secondary
dose is selectable separately (see user's manuals of module).

2.3.3 Display Dose Resolution

On rmware V7.4.4 or greater, the dose resolution on the display is selectable (10, 1 or 0.1 µSv) (

See note 1) with

DMCUser:

 With resolution 10 or 1µSv, the dose is displayed over the entire range without any unit change.
 With resolution 0.1 µSv, the dose is displayed with 0.1 µSv resolution from 0.0 µSv up to 999 999.9 µSv then

the dose is displayed with 1µSv resolution up to 9 999 999 µSv.

Note 1: or equivalent depending on unit selected.
Note 2: the dose change is linked to the number of counts and the algorithm parameters of the dosimeter (eciency, integrated time 10s, 60s).

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2.3.4 Remaining Time before Alarm

Displayed as a timer counting down, the time to alarm corresponds to either the time alarm or the time to reach
the dose alarm point, whichever is shortest.

The time to reach the dose alarm point is calculated as follows:

time duration before dose alarm = (dose alarm threshold - cumulative dose) / current dose rate

2.3.5

Rate Alarm Latched

The DMC 3000 allows users to latch the rate alarm.
Three options are oered:

 regular speaker sound follows the rate alarm
 rate alarm latched 10 seconds. Speaker sound and visual alarms are tended to 10 seconds after the rate

alarm stops (

See note)

 rate alarm latched until pause

General

Note:
This new feature is available and congurable only in G3 protocol.

2.3.6 Rate Pre-Alarm Latched until acknowledgement

On version V7.4.4 (or greater), the rate pre-alarm (Alert) can be latched until acknowledgement for a recogni­tion by the worker.

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DMC 3000 User's Guide

2.3.7 Add-on Module

An additional module, such as a telemetry device, Hp(0,07) beta, Hp(10) Neutron or PRD module 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 display
conguration of the DMC 3000 when attached to it.

A module must be connected/disconnected to the DMC 3000, only when in PAUSE.

The Ψ icon appears at the top right corner of the display when a module is detected and measurement type
icon (on the bottom left corner of the display) gives the origin of Dose/Rate displayed (measurement or alarm
threshold).

General

Origin of Dose/Rate displayed
(measurements or alarm thresholds).

 : X+Gamma Hp(10)
 : Neutron Hp(10)
 : total dose ((X+Gamma) + neutron Hp(10))
 : beta and X+Gamma Hp(0.07)
 : Gamma rate in counts per second (PRD)

Module connected

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DMC 3000 User's Guide

2.4 Historical Data Function

DMC 3000 series dosimeters in G3 protocol have a historical data function which allows the following features:

 Recording and dating of changes equal or greater than 1 µSv (0.1 mrem) in the cumulative doses (primary

and/or secondary) with the current Rate by intervals of 10 seconds, 1 minute, 10 minutes, 1 hour or 24 hours
depending on the dosimeter’s conguration.

 Recording and dating of maximum rate between two dose records
 Recording every second during 10s on rate alarm transition
 Decreasing of the interval or record (10s instead of 1mn for exemple) when in Rate alarm for better accuracy
 Recording and dating of signicant events such as:

 alarms and warnings
 acknowledgment of warnings
 assignment of identier, task 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 conguration with a reader during entry.

In G3 protocol, all the events and dose increments are dated in date format (DD/MM/YYYY and HH:MM:SS) and
the time size of recording is doubled (DMC 3000 alone or the same DMC 3000 with module) compared to G2
(DMC 2000 compatible) protocol (see note).

General

Note:
Calculated with an increment of dose every 10 histogram steps.

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2.5 Handling Recommendations

As the DMC 3000 oers the ability to clip it either outside the pocket, (standard or belt clip) or inside
(front side clip), users should remember to wear the dosimeter with its back side facing the body.
(See label on the battery cover.)

As the energy range of the DMC 3000 starts at 15 keV, the detection area of the dosimeter should not be
covered with any heavy material, like metal, in order to ensure the most accurate dose measurement.
Belt clip is strongly discouraged when a module is attached to the dosimeter, because module reduce the gap
of the clip.

The use of a front facing clip is forbidden with an Hp(0,07) beta module, because no material must be in front
of the beta detector.

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 3000. Thus, tampering with the case will compromise the
waterproong and void the warranty.

General

Warning:
For the DMC 3000 vibrator alarm to be eective, the unit must be in contact with the body for the user to feel it.

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3.1 Fast Entry Mode

The DMC 3000 can be started up using a simplied and quick procedure.

Fast entry must be enabled using DMCUser software.

 When fast entry is enabled, the message "ENtER" (1) is

displayed. Simply pressing one of the 2 control buttons immediately
switches the DMC 3000 dosimeter into Run mode.

 The message "IN" (2) is briey displayed (*).
 The dosimeter switches to measurement mode (3).
 The display starts to indicate the dose measurement.

Note:
There are two congurations of fast entry (Fast entry and permanent fast entry)

- In fast entry, 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 permanent fast entry mode is set, the DMC 3000 will revert to fast entry mode when back
in Pause.
(*) Depending on the versions, the message "IN" may not be displayed.

(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 be used in the following modes:

- Autonomous mode:
Dosimeter's two buttons can be used to set alarm set points and switch
back and forth between Pause and Run.

- Satellite mode:

DMCUser software must be used to congure the DMC 3000.

Readers must be used to turn ON (Run) and OFF (Pause) the DMC 3000.

3- Operation

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The sleep mode state is a low-power consumption
state where the functional indicator ":" does not
blink.

When either button is pressed, or during communi­cation with a reader, the DMC automatically goes
into Pause with a backlit display and all display
segments activate for 2 seconds.

Note:

- The rst press on any push button only turns
on the backlight for 3 seconds.

(1) The conguration 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 congure
in autonomous?

See § 4.4

How to switch

between

Pause and Run

modes in

autonomous?

§ 4.1

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States Modes

Long press >2s
T.O = Time Out

4.1 Run / Pause Flow Diagram

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States Modes

Exemple of Data available Display

Last recorded X + Gamma Hp(10) dose

Last maximum X + Gamma Hp(10)
peak rate

Last duration in Run

Current Time
(AM/PM or 24H format)

Current Date
(MM--DD--YY or DD/MM/YY format)

Parameters Display

Dosimeter
number

Wearer’s name

Wearer ID

Dose alarm set
point

Dose warning
set point

Rate alarm set
point

Parameters Display

Rate warning set
point

Run time
warning set point

Chirp mode

Date of next
calibration

Dosimeter mode

Software
version

Data list in Pause and Run are congurable
with

dmc

User (choice and order) and depend
on module connected and conguration.
See § 4.5 for complete list.

Parameter list in Pause and Run are congurable with

dmc

User (choice and order) and depend on module

connected and conguration. See § 4.5 for complete list.

4.2 Browsing Diagram in Pause

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States Modes

Exemple of Data available Display

Current X + Gamma Hp(10) dose

Current X + Gamma Hp(10) rate

Current Hp(0,07) shallow dose

Current Hp(0,07) shallow rate

Remaining time before alarm in
Run

Date

Parameters Display

Dosimeter
number

Wearer’s name

RWP

Date

X + Gamma
Hp(10) Dose
alarm set point

X + Gamma
Hp(10) Rate
alarm set point

Parameters Display

Run-time warning set
point

Chirp mode

Operating mode

Hp(0,07) shallow dose
alarm set point

Hp(0,07) shallow rate
alarm set point

4.3 Browsing Diagram in Run

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States Modes

4.4 Set Point Modifications in autonomous mode

List of available parameters

Dose / Dose Rate Alarm thresholds
(primary, secondary and total measure­ments)

Dose / Dose Rate Pre-alarm thresholds
(primary, secondary and total measure­ments)

Reset or Total Dose
Time Alarm thresholds

Note: items availability is based on dosimeters
conguration

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States Modes

Data

Hour (1)

Date (1)

Full life dose (1)

Full life duration (1)

Total maintenance dose (1)

Total maintenance duration (1)

Dose (1)

Current rate (1)

Maximum rate (1)

Duration of integration in Run (1)

Remaining time before alarm in Run (1)

Parameters

User name (1)

Dosimeter number (1)

Type of autonomous dose
(cumulated or reset) (1) (2)

Date of next internal
calibration (1)

Dose alarm setpoint (1) (2)

Rate alarm setpoint (1) (2)

Duration setpoint (1) (2)

Dose warning setpoint (1) (2)

Rate warning setpoint (1) (2)

Parameters

Beeps at dose change (1)

Autonomous or satellite ag (1)

Software version (1)

FLASH memory checksum (1)

Worker identier (1)

Worker order task code (OT) (1)

Thermoluminescent lm number
(TLD) (1)

Radiation Work Permit (RWP) (1)

The following data and parameter options are available in Pause and Run mode.
They can be selected and ranked by preference, using

dmc

User software.

(1)This item's availability is based on the dosimeter's conguration.

For example, if the rate display is not chosen the current rate and maximum rate will not be displayed.
In G2 protocol, some data or parameters are not available.

(2)These items are settable in autonomous mode.

(3) See

dmc

User software for the complete list of data and parameters available.

4.5 Data & Parameters List

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5- Alarms

The DMC 3000 dosimeter provides multiple methods to alert the wearer of alarming conditions:

 A loud audible alarm is emitted by the dosimeter speaker
 A message or symbol “Alarm Type” appears on the high-contrast LCD display with backlight ON during

3seconds

 Very bright red ashes from the front red ashing LED
 Red ashes from the top red LED
 Vibrations

Note:

- In case of simultaneous alarms, corresponding messages and symbols are displayed based on priority level.

- Speaker, vibrator, blacklight, front red ashing LED and top red LED can be disabled when conguring the DMC 3000.
This function can be modied using the DMCUser maintenance software in G3 protocol only.
Look at the pictogram on the top right corner of the display to know which alarm is disabled.

Note:

Alarm type displayed is independent of the measurement
displayed (for exemple, alarm type can be “RATE ALARM”
when Dose value is displayed).

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Alarms

5.1 Dose and Rate Alarms or Warnings

 On DMC 3000 rmware V.7, the DMC 3000 has 2 congurable dose alarms from 1 µSv to 10Sv and 2 con-

gurable rate alarms from 10 µSv/h (*) to 10 Sv/h for Hp(10) (X + Gamma) deep dose, X + Hp(0,07) Gamma +
Beta shallow dose or Hp(10) Neutron dose and 2 congurable total dose alarms Gamma + Neutron.

(*) Please contact Mirion Technologies for a rate set point between 1 µSv/h and 10 µSv/h.
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 exceeds the set point. The rate alarm and warning disap-

pear when the rate decreases to 80% of the set point if latched feature is enabled (see §2.3.5 and §2.3.6).

 On DMC 3000 rmware V.7, the displayed value of dose or rate blinks simultaneously with the indicator

when it has generated the alarm or warning, see example below.

Note:

When displaying a measure (here, Total dose), the value and DOSE
ALARM are blinking, notifying an alarm on the total
Gamma+Neutron dose.

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Alarm Type Display Speaker Flash LED, Vibrator and Top Red LED

Dose Alarm

3 beeps

every second

FLASH LED

1 ash every second

VIBRATOR

1 vibration (**) every second

** An extra vibration is added if the speaker is disabled.

TOP LED

3 red ashes every second

Dose Warning

(See note)

Rate Alarm

2 long beeps

every second

Rate Warning

(See note)

Note :
Acknowledge by pressing + or - button longer than 3s.

Alarms

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Alarm Type Display Speaker Flash LED, Vibrator and Top Red LED

Dose Satura­tion

3 beeps

every second

FLASH LED

1 ash every second

VIBRATOR

1 vibration (**) every second

** An extra vibration is added if the speaker is disabled.

TOP LED

3 red ashes every second

Rate Satura­tion

(see note)

2 long beeps

every second

Note:
during the rate saturation and after the rate saturation,
the message “RAtE SAt “is displayed in alternance with the
current display.

Alarms

5.2 Saturation

When the dose or dose rate reach the maximum value the saturation is displayed as follows:

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5.3 Time Alarm

Alarm Type Display Speaker Flash LED, Vibrator and Top Red LED

Time Alarm

1 short beep

every second

FLASH LED 1 ash every 10 seconds

VIBRATOR 1 vibration every 10 seconds

TOP LED 1 red ash every second

Alarms

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Alarm Type Display Speaker Flash LED, Vibrator and Top Red LED

Low Battery

xx is the remaining time in Run mode from 9 to 1 hours.
Then the DMC goes into power loss for 90 seconds and
then turns o.

3 short beeps

every 10 minutes

FLASH LED

1 ash every 10 minutes

NO VIBRATOR

TOP LED

1 red ash every second

After 72 hours of low battery in PAUSE mode, the DMC
goes into power loss during 90 seconds and then turns
o.

In Run

In Pause

5.4 Low Battery

The DMC 3000 emits a low battery alarm if the battery voltage drops below 1.2 V.

Alarms

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Alarm Type Display Speaker Flash LED, Vibrator and Top Red LED

Power Loss

3 short beeps

every 10 seconds

NO FLASH LED

NO VIBRATOR

TOP LED 3 red ashes 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 ash

5.5 Power Loss (after low battery)

5.6.1 Minor Fault

If the calibration due date is exceeded, an alarm message is displayed.

Alarms

5.6 Faults

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Alarm Type Display Speaker Flash LED, Vibrator and Top Red LED

Major Fault
(Asic, EEPROM,
Detection, Data
Integrity) (*)

4 beeps

every second

FLASH LED 1 ash every second

VIBRATOR 1 vibration every second

TOP LED 3 red ashes every second

Alarms

5.6.2 Major Faults

The DMC 3000 conducts periodic self tests every 10 minutes in Run, Pause and Sleep modes. Most of the tests
are also performed every second in Run mode. All the main functions are controlled by the microcontroller and
all the data, parameters and congurations integrity are protected by the CRC16.

The calibrations and algorithm parameters are protected by the CRC16 and saved inside a specic and dedica­ted EEPROM. The dierent DC voltages on the electronic board are periodically measured and controlled.

If a fault is detected, an alarm is generated and a message is alternately shown with the measure on the display.
A major fault prevents the DMC 3000 from going into RUN mode

(*) See 5.6.3 for the list of faults and solutions to perform

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Major Faults

Display Cause Solution

Physical problem related to the detection circuit and
detectors (optical check) of the DMC 3000 (OPtI dEF)
or of the module (OPtX dEF).

Contact Mirion for verication.

Physical problem related to the detection circuit and
detectors (no pulse during the last check period)
from the DMC 3000 (PLSi dEF) or from the module (PLSX
dEF).

Conrm the default with a source of radiation.
If the fault persists, contact Mirion for verication.

Physical problem related to the detection circuit (no com­munication with the microprocessor) of the DMC 3000
(ASIN dEF) or of the module (ASEX dEF).

When ASEX dEF occurs, check the connection to the
module. Make sure that no disconnection can occur while
in Run mode.
If the fault persists, contact Mirion for verication.

Problems accessing the data saved in memory. Contact Mirion for verication.

Problems accessing the software program saved in
memory.

Contact Mirion for verication.

Problem with the parameters' data integrity saved in
memory.

Contact Mirion for verication.

5.6.3 Troubleshooting Guide

The following troubleshooting guide describes the dosimeter's major fault messages and how to manage them.
For safety reasons, the DMC 3000 cannot be set to Run mode when a major fault is displayed in Pause mode.

Alarms

See § 5.5.4 Optical test

and pulse test

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Major Faults

Display Cause Solution

Pulse counting limitation due to an amount of mecha­nical shocks or electromagnetic interference on the
DMC3000 (ShKI dEF) or on the module (ShKX dEF).

Conrm whether or not this fault occurs with "normal use"
(no high mechanical or electromagnetic stress).
Contact Mirion for verication.

Electrical problem related to the speaker circuit
(DC 3V or audio frequency).

Verify that the speaker cavity is not obstructed and the
battery voltage is not too low (low battery fault).
Contact Mirion for verication.

Electrical problem or conguration problem of the
DMC3000 and its link to the module.

Put the DMC 3000 in pause then do a "Detach Module"
with DMCUser software, or remove the battery to remove
the faults.
Check that DMC 3000 rmware is more recent than V.7.
Check the connection and connection board then connect
the module.
See §2.2 for compatibility, see §10 for Add-on Modules.

The module is not recognized by the DMC 3000.

Check the conguration of the DMC 3000 that could accept
this type of module.

Minor Faults

Display Cause Solution

Exceeded due date of calibration

Perform a calibration check on DMC 3000 (CALi dAt) or on
the module (CALX dAt).

Missing bit/pointer in the histogram

Verify that the battery voltage is sucient and perform an
entry with DMCUser software.
If the fault persists, contact Mirion for verication.

Alarms

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Alarms

5.6.4 Optical Test and pulse Test

For a 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 in Pause, Sleep and Run modes by generating light
pulses on all detectors to simulate gamma photons, beta or neutron radiation.

If the number of pulses detected is less than expected on the detection circuit of the DMC 3000, a fault

is displayed, indicating that the detection function is no longer operational. If the module

detection circuit fail,

is displayed.

In addition to the optical test, the background counting is veried. If the duration between two pulses is
too long compared to the statistical time calculation, then a fault

(DMC 3000 fault) or

(module fault) is displayed.

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6- Battery Replacement

(1)

-

+

(3)

(4)

(5)

(2)

(6)

Take care to not damage the gasket. We recommend to
replace the battery cover every ve years or if gasket is
damage. For proper sealing, equal and proper torque
should be applied on both screws.

When engaging the battery in the compartment, make
sure to follow the polarity indicated by the drawing in
the battery compartment.

Battery Type:

Alkaline 1.5 V AAA LR03

Screw Type:

Torx N° 8, ISO 14583

 Engage rst the - side of the AAA battery on the com-

partment (5) by compressing the spring contact and
push the battery into its compartment.

 Engage the battery cover bottom side rst (6) and

rotate.

 Hand tight with the tool provided (1) at 0.25 to

0.35 Nm (2.2 to 3.1 in.Lb).

 Remove the belt clip (2). (See §7.1)

Not necessary 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 rst (5).

Removal Replacement

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7- Clip Replacement

 Before removing/installing the clip, make

sure that the battery cover is in place.

 Use the screwdriver/clip removal tool

provided with your DMC 3000.

 Engage the head of the tool on the top of

the clip as shown.

 Lift the clip lug of the clip (1) while sliding

down the clip (2).

 Engage the clip on the middle of its 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

Replacement

(1)

(2)

(3)

(5)

(6)

(7)

(4)

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8- Manual Calibration & Maintenance

8.1 Manual Calibration

This method can be used for the DMC 3000 itself and for any attached module. For attached module, as the
calibration parameters are saved on the module itself, Module may be calibrated on any compatible DMC
3000 as a host for the calibration process

One specic eciency coecient multiplier is available for each type of measurement (Hp(10) gamma,
Hp(0,07) X + Gamma, Hp(0,07), Beta Hp(10) neutron).

Use the proper source depending on the type of measurement.

Hereafter is the method for the Hp(10) X+Gamma calibration:

 Expose the dosimeter with a gamma source

137

Cs (note) to a minimum dose of 500 µSv, that is the expected

dose and read on the dosimeter display the "Read Dose."

 Look up the Hp(10) Gamma Eciency Coecient Multiplier using

dmc

User software. This calibration factor

is called "K OLD".

 Determine the new Hp(10) Gamma Eciency Coecient Multiplier "K NEW" using the following equation:

K NEW = K OLD x Read dose / Expected dose.

 Turn o the dosimeter and set the Hp(10) Gamma Eciency Coecient Multiplier to the new value

"K NEW" using

dmc

User software.

 Expose the dosimeter with the same source and check that the response of the dosimeter is within the limit.

Note:
The DMC 3000 is equipped with 2 detectors, one for high energy gamma and >50 kev X-ray and a second detector for low energy
X-ray down to 15 kev. Calibration with a Gamma source (

137

Cs or 60Co) or Gamma source and low energy X-ray may be conside-

red based on service environment. Mirion Technologies provides a calibration check at 3 energy levels (16 keV X-rays,

241

Am and

137

Cs) and 60Co on request, in accordance with ISO/IEC 17025 (COFRAC accreditation Nber 2-1663).

- In G3 protocol Hp(10) Gamma Eciency Coecient Multiplier is set at 1.00 in factory.

- Decreasing the Hp(10) Eciency Coecient in G2 protocol or Hp(10) Gamma Eciency Coecient Multiplier in G3 protocol will increase
the DMC 3000 response.

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DMC 3000 User's Guide

Manual Calibration & Maintenance

8.2 Maintenance

Mirion Technologies recommends to perform a complete check at least every year, including:

 Calibration check
 Display, top and ashing LEDs inspection
 Check on wake from sleep, the dosimeter will perform a self test in which the following can be observed: the

speaker will chirp once, the front ash LED and the three (3) top LEDs (red, green, blue) will briey illuminate,
all display segments will light and the back light will turn on

 Speaker check (turn on your DMC with rate warning set point 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 dened by local regulations.

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9- Technical Characteristics

9.1 Physical Characteristics

 Compliant with IEC 61526 Ed. 3, ANSI 42.20 (*)

(*) Isotropy at

241

Am and

137

Cs with angle ± 75°

 Measurement and display:

 X-ray and gamma energy range: 15 keV to 7 MeV
 Energy response better than ± 20% from 16 keV to 7 MeV

(typically ± 10%)

 Accuracy Hp(10):

 ≤ ± 10% (16 keV)
 ≤ ± 10% (

241

Am)

 ≤ ± 5% (

137

Cs)

 ≤ ± 10% (

60

Co)

 Display units: mSv, µSv, or mrem
 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 20 keV)

(**) - Mandatory if rate alarms are set below 50 µSv/h
(5 mrem/h) in order to display rate with better accuracy, if
fast response time for rate alarm is not required.

- Recommended for rate alarms settings below
100 µSv/h (10 mrem/h), if fast response time for rate alarm
is not required.

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9.2 Electrical Characteristics

 Standard AAA (LR03) 1.5 V Alkaline battery
 9 calendar month battery life (typical, 8 h per day, 5 days per week in Run mode, without excessive alarms (*)
 2500 h battery life in continuous run, without excessive alarm (*)

(*) 0.2% of the time in alarm

9.3 Mechanical Characteristics

 Rugged, high impact polycarbonate-ABS case
 Dimensions: Typ. 86 x 56 x 21 mm (3.4 x 2.2 x 0.8 in) without clip ; Max 60 x 88 x 29 mm with clip
 Weight with alkaline battery and standard clip: < 88 g (3.1 oz)
 Worn with replaceable clips (2 dierent style back clips or one front-facing clip for DMC worn inside the pocket)

Technical Characteristics

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9.4 Environmental Characteristics

 Temperature range: -10°C to 50°C (14°F to 122°F): deviation in response less than ±5%
 Relative humidity: <95% RH at 35°C (95°F)
 Storage: -20°C to 71°C (-4°F to 160°F) without battery
 Shock, vibration and drop resistant (1.5 meter on concrete)
 Waterproof IP67 1m (39 in) during 1 hour
 EMC: complies and exceeds standards by a large margin ( compliant, certicate number 153720)

 MIL STD 461F RS103 (pulsed electric eld): exceeds 200 V/m from 10 kHz to 5 GHz
 MIL STD 461F RS101 (magnetic eld 30 Hz to 100 kHz)

9.5 Factory Calibration and verification

 Approved under ISO/IEC 17025 (COFRAC accreditation Nber 2-1663 ) with three energy references:

 16 keV (X); ~ 0,7 mSv/h with ± 8.5% extended uncertainty k=2
 59.3 keV (

241

Am); ~ 23 mSv/h with ±5% extended uncertainty k=2

 662 keV (

137

Cs); ~ 24 mSv/h with ± 5% extended uncertainty k=2

 only on request: 1.2 MeV (

60

Co) ~ 5,5 mSv/h with ± 6.5% extended uncertainty k=2

Technical Characteristics

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9.6 Functional Characteristics

 Indicators:

 Large-format, backlit, high-contrast LCD display (8 alphanumeric characters + symbols)
 Indicator lights (red, green and blue LEDs)
 Flash red alarm LED
 Vibrator
 2 selection buttons for acknowledging warnings, viewing parameters and measurements (data)
 Alarming speaker with level of 85 dB (A) typical (> 90 dB (C) peak) at 30 cm (11.8 in),

frequency < 5000 Hz

 Alarms:

 Precision: the alarm is triggered when the measured value reaches the corresponding alarm threshold 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 detector test (every 10 minutes) for both low and high energy detectors
 Internal data integrity check with CRC16
 Periodic battery test (every 10 minutes)
 Component test (integrated circuit, memories)
 Specic and dedicated EEPROM for calibration and algorithm parameters

Technical Characteristics

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 Memory:

 Data storage in EEPROM for more than 10 years
 Historical record of dose increments and events
 RTC for date stamping information
 3800 history events at programmable intervals of 10 seconds, 1 minute, 10 minutes, 1 hour or 24 hours

in G2 protocol

 Up to 10 days of record with 1 minute interval in G3 protocol with average ambiant rate of 5 µSv/h.

See table below:

9.7 Environment

In accordance with European regulation (Directive DEEE 2002-96-CE), dosimeters should not be thrown out
with non-sorted waste, but must be selectively collected.

The batteries should not be recharged or thrown in re.

Technical Characteristics

Total duration of record without overlap

(DMC 3000 in G3 protocol (rmware V7), with/without Neutron or Beta Hp(0,07) Module) (**)

Interval of dose stamp

Minimum Value : one increment of dose equal

or greater than 1µSv each interval in Primary and

secondary (if module) doses

Average Value: one increment of dose equal or

greater than 1µSv each 10 interval in Primary and

secondary (if module) doses

Average rate Without Module With Module (*) Average rate Without Module With Module (*)

10 seconds 360 µSv/h 4 hours 2 hours 32 µSv/h 42 hours 19 hours

1 minute 60 µSv/h 23 hours 10 hours 6 µSv/h 10 days 5 days

10 minutes 6 µSv/h 10 days 4 days 55 nSv/h 100 days 50 days

1 hour 1 µSv/h 60 days 26 days 10 nSv/h 640 days 290 days

24 hours 40 nSv/h 1400 days 630 days 4 nSv/h 15 000 days 7 000 days

(*) with Hp(0,07) Beta Module (worst case)
(**) with raw counts

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Technical Characteristics

9.8 Reference point of calibration

Note: Dimensions in millimeters

29,73

35,35

16,63

0,95

15,43

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10- Add-on Modules

The DMC 3000 is provided with an extension capability at the
bottom of the case.

For this purpose, a 26-pin connector allows connection for the
following:

 Bidirectional serial communication
 Report alarm signal
 Detection module (Hp(10) Neutron, Hp(0,07) beta, etc.)

or Telemetry module (see §2.2)

 External power

Before connecting any add-on module, it is necessary to equip
your DMC 3000 with a 26-pin connector, ref. 00153458 on top of the
DMC3000 board and your DMC 3000 must be in Pause.

10.1 Dedicated documentation

 DOC003284 for the beta Hp(0,07) module
 DOC003285 for the neutron Hp(10) module
 15-00100 for the telemetry module
 DOC006094 for the PRD module

10.2 Module Attachment

 Ensure dosimeter is in Pause mode (i.e not in Run or Sleep mode)
 Refer to the dedicated documentation to install the module

26-pin connector

ref. 00153458

Make sure the connecting

board is correctly oriented

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Add-on Modules

10.3 DMCUser parameters

DMCUser parameter settings shall be congured as follows.

 For "accepted external module" select "ALL" or "telemetry required" or "Hp(0.07) required" or "neutron requi-

red" if a specic module is needed.

 Telemetry module can be enable/disable by the user, select "enable external module".

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Add-on Modules

10.4 Module Detachment

For detachment, ensure the dosimeter is in pause Mode.

To clear “MOD dEf” alert indication from dosimeter display, it is recommended to perform the following:

Select “Detach module” in the bottom of DMCUser’s window or remove the dosimeter’s battery and then put it
immediately back into place.

Note :
If the external module conguration is with " Module required" (for example "Neutron required" the Detach Module action
cannot clear the "MOD dEf" alert indication.
Due to current being present on the pins when the DMC 3000 is energized, take care when attaching new modules or adapter
board not to short any of the pins.
The add-on module must be attached or removed only when the DMC 3000 is in PAUSE.

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Spare Parts

Alkaline battery (x10) 1.5V AAA (LR03) 153 634

Battery cover - full set (x10) 153 651

Standard clip (x25) 153 631

Belt clip (x10) 153 632

Front facing clip (x10) 153 633

Set of colored standard clips (x25 in each of the 12 colors (*) =
total of 300 clips)

153 650

Accessories

Screwdriver for changing battery/ clip (x10) 153 630

26-pin connector 00153458 (x10) for add-on module 153 635

Telemetry Module (includes a 26-pin connector) ATR000053

Hp(10) Neutron Module in individual box
(includes a 26-pin connector)

NOM001229

Hp(0,07) Beta Module in individual box
(includes a 26-pin connector)

NOM001230

PRD Module in individual box (includes a 26-pin connector) NOM002153

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 Mirion Technologies.

(*) =compatible with DMC 2000S and GN, can be xed at the same location as the previous 40 DMC 2000S/GN reference 118 938
(**) =compatible with DMC 2000S and GN

11- Accessories References

Mirion Technologies Reference Number

Mirion Technologies Reference Number

Front facing
clip

Belt
clip

Standard
clip

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12- CE Certificate

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13- Verification Certificate

Our references

Date and Name

of operator

The Certificate can

be with or without the

Hp(0.07) calibration for

X+Gamma depending on

the version

Procedure's reference number

Note: calibration target could

be different than 1

Forms reference

Serial numbers of

the calibrators used.

Name and address

of the customer

Certificate

single number

Filled in when

adjustment

Rate at which

the dosimeter

is irradiated

Tolerance on the

calibration target

Efficiency coefficient

of the dosimeter as

found

Read dose

Response after

adjustment or

verification

R = Read dose /

Expected dose

Reading dose

after verification

Response before adjustment

R = Read dose / Expected dose

New efficicency coefficient

of dosimeter (as left)

Expected dose in

regard of exposure

time (=expected dose

on the dosimeter for a

response (R) at 1)

{

Logo of the accreditation organism

Accreditation #: 2.1663

See www.cofrac.fr

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Notes :

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www.mirion.com

DMC 3000 User's Guide

France

Mirion Technologies (MGPI) S.A.

Lieu-dit Calès - Route d’Eyguières,

F-13113 Lamanon

France

Tel. [phone]

Fax. [phone]

Germany

Mirion Technologies (RADOS) GmbH

Ruhrstrass 49

DE-22761 Hamburg

Germany

Tel. [phone]

Fax. [phone]

Finland

Mirion Technologies (RADOS) Oy

Mustionkatu 2, PO Box 506

FIN-20101 Turku

Finland

Tel. [phone]

Fax. [phone]

USA

Mirion Technologies (MGPI), Inc.

5000 Highlands Parkway Suite 150

Smyrna, GA 30082

USA

Tel. [phone]

Fax. [phone]

China

Mirion Commercial (Beijing) Co., Ltd. Shanghai

Jiangchang Commercial Branch

76 & 78 Jiang Chang No. 3

Rd. 801 & 807

Shanghai 200436

China

Tel. [phone]

Fax. [phone]