| Source of uncertainty | Type A | Type B |
|
| Variation of ECC | 9% |
|
|
| Irradiation source |
|
| 0.4% |
| Reader |
| Reference light | 1.0% |
|
|
| High tension | 0.005% |
|
|
| Heating temperature | _ |
|
|
| PMT electronic noise | _ |
|
|
| linearity | 1% |
|
|
| Reader Calibration Factor | 2.5% |
| Total type | 9% |
|
|
| Total system | 9.45% |
|
|