Owens Scientific -- Soft X-Ray Ionization Chamber

Small Business / Woman Owned, HUB Certified - State of Texas

23230 Sandsage Lane
Katy, Texas 77494-4207
Phone: (281) 394-2311
Fax: (281) 394-2522

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Radiation Therapy : Soft X-Ray Ionization Chamber

The 0.02 cmł soft X-ray chamber type 23342 is the standard ionization chamber for dose measurements in superficial radiation therapy. The 0.20 cmł chamber type 23344 with its bigger sensitive volume is used for similar pur-poses, where a higher response is required. The usual calibration of both chambers is done at 15 kV to 70 kV. The chambers have a very flat energy response in the range from 10 kV to 100 kV. The 0.0053 cmł soft X-ray chamber type 34013 has an extremely small sensitive volume and makes it possible to measure therapeutic X-ray beams with very small field sizes or with steep fluence gradients. The calibration is typically done at 15 to 50 kV. The energy response within this range is ą 2 %. The membrane material is polyethylene of 0.03 mm thickness. The guard ring borders the measuring volume. A calibration certificate is included. Air density correction is required for each measurement. A radioactive check device is available as an option. Features: Plane-parallel chambers for measuring therapeutic X-rays in air and solid state phantoms Vented sensitive volumes of 0.0053 cmł , 0.02 cmł and 0.20 cmł Very thin flat entrance windows for dose measurements of low energy X-ray beams Protective cap available

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