Tube Voltage/kV | Measured Instrument/μGy・h−1 | Reference Instrument/μGy・h−1 | Calibration Coefficient |
100 | 17.20 | 38.75 | 2.25 |
125 | 15.69 | 42.02 | 2.68 |
240 | 24.63 | 46.74 | 1.90 |