Thermo Electron EPD MK2 - 3.5.7 EPD Confidence Test

EPD/HB/40521/ 000
ELECTRONIC PERSONAL DOSEMETER HANDBOOK
OPERATING INSTRUCTIONS
ISSUE 5
Page 32
Thermo
Assuming that the display shows On, double-press the button. The display will
change to “OFF” (flashing). Double-press the button again to confirm the request.
The display will change to the word “OFF” (not flashing), confirming that the unit is
in OFF mode and not measuring radiation.
To return to operating mode press and hold the button. The display will revert to
the default display.
Note
: ON/OFF control via the button may be inhibited by the appropriate setting
of the EPD internal configuration via the IR communications link.
3.5.6 Displaying Peaks (Rate High)
To display peaks (high rate),
press and hold the button until
this top-level display appears:
Two sub-displays are available (in the following sub-display order):
♦
Peak Hp(10)/h Dose Rate
♦ Peak Hp(0.07)/h Dose Rate
These displays show the highest dose rate that the EPD has measured since the
peaks were last cleared. The peak dose rates measured are recorded for
penetrating and superficial dose rates, together with the times at which these
rates occurred (to a resolution of 1 second).
Peak Hp(10)/h Dose Rate
Short-press the button to display the
Peak Hp(10)/h Dose Rate:
Peak Hp(0.07)/h Dose Rate
Short-press the button again to
display Peak Hp(0.07)/h Dose
Rate:
Note:
Peaks can only be cleared via the IR communications link.
3.5.7 EPD Confidence Test