TO HVL Filters

When used with TO HVL filter stand, the HVL filter sets allow the medical physicist or radiographer to test the half value layer (HVL) of their x-ray system.

Three different sets are available:

• General Radiography:
  99.5% Al, 100x100mm
  (2x 2.0mm, 3x 1.0mm, 3x 0.5mm and 2x 0.25mm)
• Standard Mammography:
  99.5% Al, 100x100mm
  (1x 0.2mm and 5x 0.1mm)
• High Purity Mammography:
  99.9% Al, 100x100mm
  (6x 0.1mm)

HVL filter sets are supplied in a protective carry case.