ECOTEST BDBG-09, Руководство по эксплуатации, Страница: 4 / 46

Operating manual ВІСТ.418266.006-03 НЕ
4
This operating manual (the OM) is intended to inform the user about principles of operation,
rules of application, maintenance, storage and shipping of the BDBG-09 detecting unit of gamma
radiation.
The OM contains the following abbreviations:
DER
- ambient dose equivalent rate
) 10 (
*
H

of gamma radiation;
PC - personal computer.
1 DESCRIPTION AND OPERATION
1.1 Purpose of use of the BDBG-09 detecting unit
The BDBG-09 detecting unit of gamma radiation (hereinafter called the detecting unit) is
designed to measure ambient dose equivalent rate
) 10 (
*
H

of gamma radiation (hereinafter DER).
The detecting unit can be used as a part of computer-aided systems of radiation control.
1.2 Technical specifications
1.2.1 Key specifications are presented in the Table 1.1.
Table 1.1 – Key specifications of the detecting unit
Name
Unit of
measurement
Standardized value
according to the
specifications
1 Measurement range of gamma radiation
DER
μSv/h
0.04– 10
7
2 Basic relative permissible error limit of
gamma radiation DER measurement with
0.95 confidence probability
%
15+2/
) 10 (
*
H

, where
) 10 (
*
H

is a numeric value of gamma
radiation DER in μSv/h
3 Energy range of registered gamma radiation MeV 0.05 – 3.00
4 Energy dependence of measurement results
of the detecting unit at gamma radiation DER
measurement in the energy range of
0.05 MeV to 1.25 MeV
%

25
5 Anisotropy of the detecting unit at gamma
quanta incidence at angles from +60
о
to - 60
о
horizontally and vertically relative to the main
measurement direction, marked by a
“+” symbol , does not exceed:
- for
137
Cs and
60
Со isotopes
- for
241
Am isotope
%
25
60