BNC 1621M - Manual (Page 11)

1621M OPERATING MANUAL
2.4 Use of the Dosimeter
2.4.1 The dosimeter operates in the following modes:
•
Photon radiation DER indication mode;
•
Photon radiation DE indication mode;
•
Number indication mode (“blind dosimeter”);
•
Mode of data transmission to PC;
•
Set mode;
•
Partial or critical battery discharge indication mode;
•
Audible alarm mode when exceeding
preset DE or DER thresholds .
The following values will be stored in the dosimeter s non-volatile memory
during the task of replacing the battery:
•
Accumulated dose (DE);
•
DE accumulation time;
•
DE and DER accumulation history;
•
The preset DER and DE thresholds.
When using the dosimeter in a temperature range from -40 up to -20
o
C
the device provides performance of the dosimetric functions without
displaying the result of measurement on LCD. When the dosimeter is
returned to a temperature higher than -20
o
C , the LCD operates
in a normal way.
The dosimeter performs continuous DER and DE measurement, DE
accumulation time counting in all modes, excluding an active mode of data
transmission to PC (Ir/on).
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