Thermo Electron EPD MK2 - Page 7

ELECTRONIC PERSONAL DOSEMETER HANDBOOK
EPD/HB/40521/000
CONTENTS
ISSUE 5
Thermo
Page (iii)
CONTENTS
Page
GLOSSARY ...............................................................................................................................VII
WARNINGS AND
CAUTIONS....................................................................................................IX
SECTION 1................................................................................................................................... 1
INTRODUCTION.......................................................................................................................... 1
1.1 G
ENERAL...................................................................................................................... 1
1.2 EPD M
AJOR CHARACTERISTICS .................................................................................... 2
1.3 B
RIEF FUNCTIONAL DESCRIPTION .................................................................................. 3
SECTION 2................................................................................................................................... 5
GETTING STARTED ................................................................................................................... 5
2.1 S
ETTING-UP .................................................................................................................. 5
2.1.1
Unpacking The EPD............................................................................................... 6
2.1.2 The EPD Battery..................................................................................................... 6
2.1.3 Start-up Sequence.................................................................................................. 9
2.1.4 EPD Confidence Test........................................................................................... 10
2.1.5 Issuing an EPD..................................................................................................... 10
2.1.6 Wearing an EPD................................................................................................... 11
SECTION 3................................................................................................................................. 13
OPERATING INSTRUCTIONS.................................................................................................. 13
3.1 LCD D
ISPLAY AND BACKLIGHT ................................................................................... 13
3.2 A
UDIBLE AND VISIBLE ALARMS ................................................................................... 16
3.2.1
Alarm features ...................................................................................................... 16
3.2.2 Dose Alarms ......................................................................................................... 20
3.2.3 Dose Rate Alarms ................................................................................................ 20
3.2.4 Over-Range Indication.......................................................................................... 21
3.2.5 Alarm Muting......................................................................................................... 22
3.3 BUTTON OPERATION AND DISPLAY SELECTION ............................................................ 23
3.4 LCD D
ISPLAY LOCK-ON FACILITY ............................................................................... 24
3.5 D
ISPLAY OPTIONS AND BUTTON FUNCTIONS ................................................................ 26
3.5.1
Displaying Hp (10) Dose, Dose Rate and User ID............................................... 26
3.5.2 Displaying Hp(0.07) Doses, Dose Rate and ADS User ID................................... 27
3.5.3 Displaying Total Dose........................................................................................... 30
3.5.4 Starting/Stopping The Seconds Count Down Timer ............................................ 30
3.5.5 Turning the EPD off .............................................................................................. 31
3.5.6 Displaying Peaks (Rate High) .............................................................................. 32
3.5.7 EPD Confidence Test........................................................................................... 32
3.5.8 Clearing Dose Displays ........................................................................................ 34
3.5.9 Displaying/Setting Dose Alarm Thresholds.......................................................... 34
3.5.10 Displaying/Setting Dose Rate Alarm On/Off Thresholds ................................. 36
3.5.11 Setting The Sounder ........................................................................................ 38