AERB Recommended Test

• Mechanical tests
  • Alignment of table to gantry
  • Gantry tilt
  • Positioning of the patient support (longitudinal)
  • Axial patient positioning accuracy
• Collimation test
• Accuracy of X-Ray Tube Voltage (kV)
• Accuracy of X-Ray Tube Current (mA)
• Accuracy of Irradiation Time (t)
• Accuracy of Current Time Product (mAs)
• Radiation Quality
• Reproducibility, Linearity and constancy of Radiation Output
• Radiation Dose test
• Noise, Mean CT number and Uniformity
• Low contrast resolution
• Spatial resolution
• Radiation Leakage Levels from X-Ray Tube Housing and Collimator at 1 meter from the Focus
• Radiological Protection Survey