EPD/HB/40521/000
ISSUE 5
EPD TECHNICAL HANDBOOK Page 28
is used for tactical dose monitoring (e.g. per task etc.).
Display Range: 0µSv to >16Sv (auto ranging).
Note: Over-range (> 1.0 Sv) is indicated with a flashing LCD display.
Hp(0.07)/h Dose Rate Display
Short-press the button again to display
the current Hp(0.07)/h dose rate. Only
the first two significant figures of the
dose rate are displayed, the actual
reading is rounded down
Display Range: 0µSv/h to >4.0Sv/h (auto ranging).
Note: Over-range (> 1.0 Sv/h) is indicated with a flashing LCD display. This
condition is latched to warn the user that the dose value may be inaccurate.
ADS User ID Digits
An additional User ID is provided, called Approved Dosimetry Service (ADS) User
ID. This is password-protected and is used by ADS systems for “permanent” issue
EPDs. The ADS User ID may be displayed in a similar fashion to the User ID.
Short-press the button again to display each of the remaining ADS User ID digit
displays. A non-issued EPD may have an ADS User ID = FFFFFFFFFFFF.
Typically, an ADS User ID will have fewer than 12 digits, but it must be an integer
between 1 and 999999999999. For example, an ADS User ID = 3324 will be shown
on the LCD display as follows:
(First Display) (Second Display) (Third Display)
In systems using 8 or fewer digits for the ADS User ID it is usual to disable and
thereby remove the unused displays ( e.g. the first and second display in the above
example).
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