EPID QA

EPID QA Phantom for TG-142 Imaging & RIT Family of Software
EPID QA Phantom

Key Features


TG142 MV Imaging Tests:


  • Geometric Accuracy
  • Low-contrast detectability
  • EPID Signal Isotrophy
  • Resolution
  • Uniformity and Noise
  • Constancy in 5 areas
  • Resolution (MTF)
  • Geometric Distortion
  • Uniformity
  • Contrast
  • Noise

Full Description

The EPID QA Check Phantom provides a low-cost solution for all TG-142 recommended MV imaging tests.

This phantom is compatible with the RIT family of software.

The phantom features support for all EPID devices, including:

- Varian aS500
- Varian As1200
- Elekta iView
- Siemens EPID

Test Objects:


  • 4 Aluminum Plugs (20mm)
  • 5 Sets of 4 Copper Plugs (4.1, 8.6, 13.3, and 19.6mm)
  • 2 Tungsten BBs (0.8mm)
  • 2 Tungsten BBs (1.6mm)

3D Views (Desktop Only):




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