Doza DKG-05D Manuel d'utilisation - Page 3

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The present Operation Manual contains information on the design, operational principle,
technical specifications and instructions necessary for the proper application and safety operation
of the product (intended use, maintenance, routine repairs, storage, and transportation), as well as
information on decommissioning of the product.

1 DOSIMETER DESCRIPTION AND OPERATION

1.1 Purpose of the dosimeter

The personal gamma radiation dosimeter ДКГ-05Д ФВКМ.412113.005 (thereafter,
dosimeter) is produces in accordance with the requirements of ТУ 4362-010-31867313-01.
The dosimeter is used both with the УС-05С reader and КЗУ-27 cassette charger and
independently (for routine, operational, and accidental monitoring of individual doses) as well as
a part of the computer-aided dosimetry monitoring system at facilities and organizations, when
handling ionizing radiation sources, including nuclear-powered vessels.
The dosimeter is designed to wear it on the personnel clothes. The dosimeter is intended
to measure the personal gamma radiation dose equivalent
radiation dose equivalent

1.2 Technical specifications

1.2.1 Measured energy range ...........................................................0.05 to 3.0 MeV.
 
1.2.2
Н
10
p
 
1.2.3 Rate of
1.2.4 Relative measurement error no more than:
 
- Rate of
 
-
Н
10
........................................................ ± [15 + 20/
p
1.2.5 Energy dependence of sensitivity............................................no more than ±30 %
1.2.6 Anisotropy of dosimeter sensitivity within 180°
solid angle for Cs-137 radiation (0.662 MeV) .............................................no more than ±35 %
1.2.7 Operation mode installation time ............................................no more than 5 min
1.2.8 Continuous operation time .....................................................no less than 100 h
without accumulator battery re-charge.
1.2.9 Dosimeter reading instability during 8 h of continuous operation is no more than 5 %
1.2.10 Rate of
rate value:
Subrange:
-
1 to 7,5 Sv/h ................................................................
-
7,5 to 15 Sv/h ..............................................................
-
15 to 30 Sv/h ...............................................................
-
30 to 60 Sv/h ...............................................................
-
60 to 120 Sv/h .............................................................
-
120 to 240 Sv/h............................................................
-
0,24 to 0,48 mSv/h.........................................................
-
0,48 to 0,96 mSv/h.........................................................
-
0,96 to 2 mSv/h..............................................................
-
above 2 mSv/h ...............................................................
1.2.11 Sound and light alarm signals would be switched on:
-
in case of accumulator battery voltage below 3,52 V;
 
 
10
.
p
measurement range ....................................................1·10
 
10
measurement range ........................................110
p
 
10
............................................ ± [15 + 60/
p
 
 
10
measurement time is selected automatically depending upon dose
p
ФВКМ.412113.005РЭ
 
Н
10
and rate of personal gamma
p
-7
to 15 Sv.
-6
to 10 Sv/h.
 
 
10
p
Н
p
Measurement time:
255 s;
256-128 s;
128-64 s;
64-32 s;
32-16 s;
16-8 s;
8-4 s;
4-2 s;
2-1 s;
1 s.
Sv/h] %;
 
10
Sv] %.
3