Name: Mirion Technologies GEM-5
Brand: Mirion Technologies
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GEM-5

Gamma Exit

Contamination Monitor

MAN-GEM5 Rev.01 User’s Manual

Table of Contents3
Preface13
Introduction17
Features19
Safety First20
Electrical Safety20
Over-Current Protection21
Grounding21
Environmental21
Pollution Degree21
Overvoltage Category21
Ingress Protection21
Installation - First Use of System22
Recommended Storage Locations22
Recommended In-Service Location22
Specific Storage Locations22
Unpacking22
Installation23
Lead Ingot Bricks23
Ramps25
Relocation26
Review of Hardware26
Computer Box26
Display Screen27
Review of Detectors27
Electrical Connections28
AC Electrical Mains Connection28
Relay Connections28
Input/Output (I/O) Connections28
Preliminary Check-Out28
Model Selection and Configuration31
Ctrl+F10 - Factory Setup Menu33
F1 - Model Selection34
F2 - Operation Configuration38
F3 - Badge Configuration41
F4 - Access Configuration44
F6 - Access Level Settings53
F7 - Dosimeter Reader Configuration56
F9 - Database Settings61
F10 - Methodology Configuration62
Principle of Operation64
Normal Service65
BACKGROUND Initialization/Collection Mode68
READY Mode69
POSITION Mode70
MONITOR Mode71
CLEAN Mode74
CONTAMINATED Mode75
OUT of SERVICE Mode78
Monitor out of Service79
High Background out of Service80
Excessive Background out of Service81
Detector Contaminated out of Service81
Krypton Mode82
Alarm Test85
Unit Setup88
F9 - Plateau Plot90
HV Setting for Gamma Scintillation Detectors94
F8 - Discriminator Plot94
F1 - Optimize Gamma HV98
Calibration Requirements for Contamination Monitors104
Why Is Calibration Necessary104
Calibrate Process105
Factory Default Calibration108
Shift + F3 - Calibration Settings108
Parameters Definition109
Service Menu109
F1 - Place in Normal Service113
F1 - Place in Conditional Service115
F1 - Place in no Database Conditional Service116
F1 - Place in Krypton Mode Service116
F2 - Test Menu116
F3 - Setup Menu117
F1 - Common Values119
F2 - Wait Timeouts122
F3 - Detection Zones127
F1 - Zone Configuration129
F2 - (Zone) Settings132
F3 - Calibration137
Shift+F3 - Calibration Settings143
F5 - Group Settings145
Shift+F5 - Global Settings147
F7 - Alarm Test Settings149
F9 - Edit Calibration Source List153
F4 - out of Service Causes157
F5 - Configuration164
F6 - Operation Voice & Screen167
F7 - Data Log171
Alarm Test Data Log178
Service Data Log178
Events Data Log180
Background Trend Data Log181
Contaminated Results Data Log182
Clean & Contaminated Results Data Log183
Raw Background Data Log183
Calibration Trend Log184
Verification Test Trend Log184
F8 - Printout185
F9 - Data Transfer (Network) Setup190
F11 - (Operation) Instruction Menu197
F1 - Ready Instructions199
Shift+F1 - Background Instructions200
F2 - Position Instructions201
F3 - Go Back Instructions202
F4 - Clean Instructions203
F5 - Contaminated Instructions204
F6 - Turn Instructions205
F7 - out of Service Instructions206
F8 - Messages Instructions207
F10 - Banner(S) Instructions208
F11 - Alarm Test Instructions209
Diagnostics/Maintenance210
Using Test Screens210
F2 - Test Menu212
F1 - Rate Meter213
F2 - HVPS Meter216
F3 - Counter Test217
F4 - Amplifier Pulse Test218
Specific Information for Bench Test Models Only220
F6 - Sensor Board Tests221
F7 - Timer Tests223
F10 - Detector Board ID224
F11 - Carrier Board Tests225
F12 - Background Trend Graph228
Shift+F2 - Additional Test Menu229
F2 - Optimize Self Shield Factors229
Procedure231
F3 - Test Auxiliary Sensor Board234
F7 - Barrier Exerciser235
F4 - Faults237
Determining Faults239
Failure to Return to Service241
General Information241
Troubleshooting Guide244
F8 - Maintenance Log249
F9 - Recent Event Log250
Retrieving Information252
F5 - Information Menu252
F1 - Monitor History252
F2 - Service History255
F3 - Background History258
F4 - Monitor Time Vs. Bkg Rate262
Shift+F4 - Monitor Time Vs. Bkg Time263
F5 - Monitor Time Vs. Alarm Value265
F6 - Monitor Zone Status266
F7 - System Status268
F6 - Printout Menu269
F1 - Monitor History Printout271
F2 - Service History Printout272
F3 - Calibration Printout273
F4 - Calibration Data Printout274
F5 - Contamination Check Results Printout275
F6 - Calibration Source List Printout281
F7 - All Setup Values Printout283
F8 - Calibration Check Results Printout284
Algorithms286
Probability Theory286
Counting Statistics286
Confidence Levels286
K Alpha - False Alarm Due to Background Rate290
K Beta - Positive Alarm Due to Contamination291
K Delta - Change in Background Rate291
Background Rate291
Background Rate Calculations291
Background Variance Ratio293
Background Rate Reset294
High Background Rate Settings and Strategy295
Low Background Rate Setting and Strategy298
Measurement Variance Ratio Setting and Strategy (Background Change Tracking)300
Alarm Settings and Strategy301
Alarm Trip Points302
Counting Time Strategy305
Background FALSE Alarm Rate (FAR)306
Confidence of Alarm307
Efficiency Calculation (and Derived Efficiencies)307
Operating Files and Directory Structure310
Basic Structure310
Custom Files311
Driver Files313
Setuptxt Files313
Settings Files313
Setup Menu313
Test Menu315
Additional Test Menu316
Factory Setup Menu317
History Files317
Temporary Files318
Viewing Datalog Files with Excel319
Sound Files320
Voice Files320
Creating Wave Files323
Special Information325
Alarm Test Vs. Occupant Alarm325
Case 1325
Case 2326
Initial Setup326
Self Shielding326
F7 - Demonstration Display Menu327
F1 - Ready328
Shift+F1 - Background328
F2 - Position328
F3 - Count down328
F4 - Clean328
F5 - Contaminated328
F6 - Turn328
F7 - out of Service329
F8 - Messages329
F10 - Cold Side329
F11 - Alarm Test329
Demonstration Mode329
Simulator Mode332
Isotope Library333
Further Information334
Numeric Notation334
Special Character Codes335
Support for Non-US Keyboards336
Specifications - Standard Models339
Operating Modes340
Alarms340
Parameter Setting340
Occupant Specifications341
Height of Occupant341
Weight of Occupant341
Radiological341
Radiation Detected341
Typical Efficiencies341
Detector Types342
Mechanical342
Handling342
Cabinet342
Dimensions342
Weights342
Electronics342
Computer342
Display Screen343
Environmental343
Pollution Degree343
Temperature343
Relative Humidity343
Power Requirements343
Power Consumption343
Sensors344
Detector Numbers and Positions344
Specifications - Options345
(ID) Card Reader Options345
Magnetic Card Reader346
Barcode Card Reader346
HID Compatible Proximity Card Reader346
Cremote Option (SCN 7062263)346
Local Database Support Option346
Models347
Source Calibration Fixture Options348
Access Control Options348
Exit Control349
Barrier Arms349
Doors350
IPCAM212 Camera350
Entrance/Exit Ramps351
Nd Layer of Lead Kit for Sides351
Lead Kit for Top351
Lead Kit for Bottom351
Component Details - Standard Models352
General Description352
Detectors353
Gamma Scintillation Detectors353
Computer Box (SCN 7079642)353
Carrier Board (SCN 7078120)353
Detector Boards355
Board Settings356
Gamma Detector Board (SCN 816112)358
Gamma Detector Digital Board (SCN 816102)358
Gamma Detector Analog Board (SCN 816107)359
Sensor Boards360
Four-Relay Sensor Board (SCN 816540)360
Serial Bus Terminator Board (SCN 816546)365
Sensors365
Approach Sensor366
Occupied Sensor366
Body-In Sensors367
Component Details - Options368
Other Optional Boards368
Auxiliary Sensor Board (SCN 816696)368
Routine & Preventative Maintenance - Standard Models372
Routine and Preventive Maintenance372
Cleaning372
Decontamination373
Testing for Alarms374
Repair of Detectors374
Replacing a Damaged Detector375
Scintillation Detectors376
Replacing a Damaged Photomultiplier Tube379
Sensor Setup380
Motion Sensor380
Photoelectric Sensors381
Through-Beam Infrared Photo Sensor381
Background Suppression Infrared Photo Sensor382
Computer Box383
Computer Windows 7 (or XP) Embedded Operating System384
Solid State Drive Maintenance385
Reinstalling or Updating Monitor Software386
Updating Monitor Software386
Reinstalling Monitor Software386
Reinstalling or Updating Windows 7 Image386
BIOS Setup386
SOM 4463/4463N (SCN 7071914) BIOS Setup Procedure386
Preventative Maintenance - Options387
Barrier Arms Option387
Installation387
Adjustment/Maintenance387
DC Motor Controller for Access Control Options387
Inputs and Outputs388
Switches389
Overview389
LED Functionality390
Operation390
Overview390
Description of the Learning Phase390
Description of the Normal Operation Phase391
Safety Features391
Technical Characteristics391
Barrier Arms Option391
Detectors & Preamplifiers - Standard Models392
Spare Parts Lists - Standard Odels393
377393
Spare Parts for the Construction and Commissioning Period (1-2 Years)393
Spare Parts for 3-5 Years Operation393
Spare Parts as Needed394
Spare Parts Lists - Options395
Barrier Arms395
Spare Parts for up to Five Years Operation395
Block Diagrams - Standard Models396
GEM-5 General Arrangement397
GEM-5 Serial399
Block Diagrams - with Options401
GEM-5W93 General Arrangement403
GEM-5W100 General Arrangement405
Gem-5W80-W93-W100407
Webremote409
Webremote Overview409
Summary of Features409
Web Browser Connectivity and Status Monitoring410
Prerequisites411
Touch Screen Kit (Optional)411
Computer Model413
Software Upgrade413
Installation of Webremote, Monitor 9.0 (or Above) , and Dashboard415
Dashboard Status Monitoring416
Configuration of Contamination Monitors418
Plan Your Network Connection419
How to Assign a Static IP420
Windows 7 Operating System420
Remote Connection to Webremote423
LAN Access423
Direct Link Access424

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Brand	Mirion Technologies
Model	GEM-5
Category	Monitor
Language	English

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