| Group 1 | Group 2 | Group 3 |
Tube voltage/tube current | 120 kVp/110 mAseff | ||
No. of detector layers | 2 × 128 | 128 | 16 |
Collimation | 0.6 mm | 0.6 mm | 1.2 mm |
Rotation time | 0.28 sec | 0.5 sec | 0.5 sec |
Pitch value | 3.0 | 1.2 | 1.2 |
Field of view | 33 cm | 50 cm | 50 cm |