ECOTEST VIRTUOSO RKG-14, Руководство по эксплуатации, Страница: 11 / 99

9
Table 1.1 (continued)
Name
Unit of
measurement
Standardized
value
Main relative permissible error limit of
measurement of the effective specific
activity of naturally occurring
radionuclides
226
Ra,
232
Th,
40
K in the
objects of the environment in
geometries “2

”, “4

”, Р=0.95
%

35
Measurement range of gamma radiation
ambient dose equivalent rate from
137
Cs,
134
Cs
μSv/h
0.001 - 10
Main relative permissible error limits
of measurement of gamma radiation
ambient dose equivalent rate from
137
Cs,
134
Cs, given Р=0.95
%

20
Unstable readings of the radiometer
during 8 hours of operation, not more
than
% 5
Measurement range of gamma radiation
ambient dose equivalent rate
) 10 (
*
H

μSv/h
0.01 – 50.00
Main relative permissible error limit of
measurement of ambient dose
equivalent rate (DER) of gamma
radiation, given P=0.95
%
15+1/
) 10 (
*
H

,
where
) 10 (
*
H

– is
a numeric value
of gamma
radiation DER,
μSv/h
Sensitivity to gamma radiation for
137
Cs,
134
Cs, not less than
(pulse/s) /(μSv/h)
500
Energy range of registered gamma
radiation
-
50 keV –
3.0 MeV
Energy dependence of readings for
energies 59 keV (
241
Аm),
1.3 MeV (
60
Со) and 0.66 MeV (
137
Cs)
% 30