Thermo Electron EPD MK2 - Page 53

ELECTRONIC PERSONAL DOSEMETER HANDBOOK
EPD/HB/40521/000
OPERATING INSTRUCTIONS
ISSUE 5
Thermo
Page 39
the following displays. Button Beep Enabled
Button Beep Disabled
Dose Chirp Adjustment
The EPD can be configured to give a warning chirp at every preset increment in
Hp(10)/h, penetrating (deep) dose. This increment can be set between 0.01
µSv
and 100
µSv, or disabled by setting the increment to 0.
Short-press the button to display
the current dose per chirp:
An increment set to
1
µ
Sv is shown
opposite. W
ith a chirp sensitivity of
1
µ
Sv/chirp and a dose rate of 10mSv/h
the sounder will average 2.8 chirps every
second.
To change the chirp rate, double-
press the button at current dose
chirp display. The display digits will
flash.
Dose Chirp Limits: 0.01
µSv to 100µSv.
Note: 0 = Off ( no chirp function ).
Pressing the button will increase the dose per chirp in the following increments:
0.0
µ
Sv, 0.01
µ
Sv, 0.05
µ
Sv, 0.1
µ
Sv, 0.5
µ
Sv, 1.0
µ
Sv, 5
µ
Sv, 10
µ
Sv, 50
µ
Sv,
100
µ
Sv. When the required sensitivity is reached “double-pressing” the button will
confirm the value and the flashing display will stop.