ELECTRONIC PERSONAL DOSEMETER HANDBOOK
EPD/HB/40521/000
TECHNICAL DESCRIPTION
ISSUE 5
Thermo
Page 59
5. Bad Sectors. The number of bad EPD secure store sectors.
There is a maximum of nine spare sectors.
6.
Detector Test Fail
. The EPD detector test was run and the
number of counts received were less than
required to pass the test.
7.
Detector Threshold Fail
. The EPD detector thresholds failed to load
successfully
8.
Radio Fail. Reserved for future use.
9.
Other Fault
. A fault occurred causing the EPD to reset.
10
Disabled
. The EPD is not calculating dose.