EPD/HB/40521/000
ISSUE 5
EPD TECHNICAL HANDBOOK Page (x)
Glossary (continued)
SDE Shallow Dose Equivalent (alternative nomenclature for H
p
(0.07))
ppm Parts per million
RAM Random Access Memory
rem A unit of dose equivalent, equal to 10mSv
RFI Radio Frequency Interference
Short-press A short press and release of the button
Sv Sievert, SI unit of dose equivalent
T Tesla
TLD Thermoluminescent Dosemeter
Total Dose Intended to be a secure record of the total accumulated dose received
since Dosemeter issue - alarms do not apply to total dose.
User ID A numeric code of up to 12 digits that may be written to the EPD to
define the current user or wearer. By convention a value of
FFFFFFFFFFFF is written to EPDs not currently issued to a wearer.
User Name A character string of up to 22 characters that may be written to the EPD
and used as a second or supplementary Wearer Identity
( Supplementary to user ID ).
Wearer ID Alternative terminology for the User ID.
Wearer Name Alternative terminology for the User Name.