Open Access

Table 1

The uncertainty budget in the measured dose.

Source of uncertainty Type A value (%) Type B value (%)
Repeatability reproducibility 2
Neutron Monitor stability 1.5
Linearity with dose 2
Reading resolution 1.2
Monitor position 0.1 1
Neutron scattering 1 1.5
Air attenuation 0 0.6
Uncertainty of each type 7.26 9.05

Uc = 4.04%. U expanded is 4.04% with coverage factor 1and confidence level of 65%.

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