Table 7.
Uncertainties in the absorbed dose rate measurements.
Source | Estimated uncertainty (%) | |
---|---|---|
Statistical (degrees of freedom) si(vj) | Other uj | |
Reproducibility of water | 0.2 (8) | |
Sensitivity of C-thermistor | 0.1 (3) | 0.1 |
Sensitivity of J-thermistor | 0.1 (3) | 0.1 |
Effect of lead resistances | 0.05 | |
Beam attenuation of calorimeter lid | 0.05 (5) | |
Beam exposure timing | 0.05 | |
Extrapolation to zero thermistor power | 0.3 | |
Polyethylene films | 0.05 |
Combined uncertainty =