When the dosimeter is moved to another place, re-start measurement of the average DER of
pulsed radiation for more significant readings.
Attention! The dosimeter writes the values of average DER of pulsed radiation into its
operating history. The dosimeter monitors two settable alarm thresholds for the average DER
of pulsed radiation.
Press "BACK" to exit the mode of measuring average DER of pulsed radiation.
Figure 2.6
2.2.6 DE measurement mode
The DE measurement mode is used for the measurement of continuous and pulsed photon
radiation (pulse duration not less than 1 ms).
Press "NEXT" in the DER measurement mode to enter the DE measurement mode ("DE")
"NEXT", Figure 2.7.
Figure 2.7
In this mode the dosimeter’s LCD indicates measured DE values in "Sv", "mSv", "Sv",
time of DE accumulation in hours (H) and minutes (M), status of the rechargeable battery (icon)
and current time in hours and minutes (Figure 2.7).
It is possible to reset (zero) the DE and DE accumulation time values using the buttons in
the "SETTINGS" mode. Enter "RESET DE": \"SETTINGS"\"THRESHOLDS"\"DE"\"RESET DE"
and press "YES". The DE reset event and the reset DE value is recorded in the dosimeter’s
memory.
The dosimeter monitors two settable alarm thresholds for the DE (2.2.7.5). When the DE
alarm threshold (Threshold 1 or Threshold 2) is exceeded, the dosimeter goes to the DE
measurement mode, indicates "THRESHOLD 1" or "THRESHOLD 2" on the upper line and
triggers enabled sound (intermittent signal for threshold 1 and rapid intermittent signal for threshold
2), light and vibration alarms (2.2.7.6). Press any key to switch off the alarms. The alarm is
triggered again when the DE is reset or after setting higher threshold 1 or threshold 2 and DE
threshold is exceeded again (threshold 1 or threshold 2).
If the DE indication range is exceeded, the dosimeter triggers an alarm and the LCD
indicates "OVERLOAD" and value 12.0 Sv.
When the “DATA” button is pressed, the dosimeter will display dose equivalent value and
date (dd/mm/yyyy) when dose accumulation has started:
When the “TIME” button is pressed, the dosimeter will display the time (dd/hh/mm) left until
the first dose equivalent threshold is exceeded as shown on the picture below:
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