ECOTEST STORA-ABG RKS-01 Operating Manual page 10

Table 1.1 (continued)
Main relative permissible error limit when
measuring surface beta-particles flux density in the
range from 5 part./(cm
min) at
2
999 999 part./(cm
a confidence probability of 0.95
Main relative permissible error limit when
measuring surface activity of beta-emitting
radionuclides in the range from 0.22 Bq/cm
2 90
9999 Bq/cm at Sr/
confidence probability of 0.95 from С0 source
type
1
min) to
2
90 90
Sr/ Y calibration with
90
Y calibration with a
2
%
2
to
%
8
3
20+150/F,
where F is a dimensionless
value that is numerically
equal to the value of
surface beta-particles flux
density measured in
min)
2
part./(cm
20+10/А,
where А is a dimensionless
value that is numerically
equal to the value of
surface activity of beta-
emitting radionuclides
measured in Bq/cm
2