State Primary Standard of Units of Equivalent Dose, Power of Equivalent Dose of X-ray and Gamma Radiation

Reproduction and maintenance of the units of equivalent dose, the power of equivalent dose of X-ray and gamma radiations. Dissemination of the units of equivalent dose, the power of equivalent dose of X-ray and gamma radiations to the working standards and workinginstruments of the measuring technology by means of the method of direct measurement in accordance with DSTU 4088-2001 “Metrology. National verification scheme for measuring instruments of equivalent dose, the power of equivalent dose of X-ray and gamma radiations”.

Metrological characteristics

Range

from 1·10-6 Sv to 1,0 Sv

from 5·10-8 Sv·s-1 to 1·10-4 Sv·s-1

Uncertainty by type A (uA)

(0,1–1,0)·10-2

Uncertainty by type B (uB)

(0,21–0,62)·10-2

Total standard uncertainty (uC)

(0,23–1,2)·10-2

Extended uncertainty (U)

(0,5–2,4)·10-2