ELECTRONIC PERSONAL DOSEMETER HANDBOOK
EPD/HB/40521/000
OPERATING INSTRUCTIONS
ISSUE 5
Thermo
Page
35
and should always be set to a higher value than the 1
st
Hp(10) alarm. The
accumulated dose alarm thresholds can be set using the button as follows:
1
st
& 2
nd
Hp(10), Hp(0.07):
10
µ
Sv, 50
µ
Sv, 100
µ
Sv, 500
µ
Sv, 1mSv, 5mSv,
10mSv, 50mSv, 100mSv, 500mSv, 1.0Sv.
Example of 1
st
Hp(10) Dose alarm
threshold display set at a default
value of 500
µ
Sv:
Other values for the dose alarm thresholds may be set via the IR communications
link.
Changing The Dose Alarm Thresholds
To change the 1
st
Hp(10) dose
alarm threshold select the display
above and double-press the
button. The display will change to
the following with the digits
flashing:
Alarm Set Limits: 10
µ
Sv to 1Sv.
Pressing the button will increase the alarm threshold in the following steps: 10
µ
Sv,
50
µ
Sv, 100
µ
Sv, 500
µ
Sv, 1mSv, 5mSv, 10mSv, 50mSv, 100mSv, 500mSv, 1.0Sv.
When the required threshold is reached double-press the button to confirm the
value and the flashing display will stop.
If you start to change the threshold and change your mind this option can be
aborted, as follows:
Short-press the button until the
following is displayed (letters
flashing). Double-press the button
to confirm that you wish to escape
and return to the previous alarm
threshold.
If the “ESC” screen is displayed and the button is not pressed, after default time-
out the display will return to the dose alarm threshold that was being set-up.
Again, if the button is not pressed, the display will return to the default screen after
a further time-out period.
