12
2 Technical specifications
2.1 Key specifications are presented in Table 2.1.
Table 2.1 – Key specifications
Name
Unit of
measurement
Standardized value
according to the
technical
specifications
1 2 3
1 Measurement range of gamma radiation DER μSv/h 0.1 – 5000
2 Main relative permissible error limit of
gamma radiation DER measurement with
confidence probability of 0.95 (calibrated
relative to
137
Cs)
%
±(25+2/
)(H 10
),
where
)(H 10
is a
numeric value of the
measured DER in
μSv/h