PEP Phanton

PEP Phantom.jpgThe PEP Phantom has many applications and was originally designed for Electron Dosimetry to meet the requirements of the Electron Code of Practice; however it is has also proved excellent for Photon Dosimetry.

The unit comprises a compact and robust water phantom complete with a levelling platform suitable for both chamber and treatment machine calibration / output measurements. It is capable of accepting all chambers recommended in the Electron Code of Practice. NACP, Markus, Roos and Farmer type thimble ionisation chambers. The unique rotational chamber mounting, and the opposed thin windows, allow for measurements to be made with both vertical and horizontal beam incidence. Vertical chamber position is continuously variable. Lateral chamber positioning can also be easily achieved.

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Download the the data sheet here;  PEP Small QA Water Phantom.pdf



Material 10mm clear acrylic
Internal Dimensions

350mm(l)x294mm(w) x 300mm(d)
Thin Windows:
3mm clear acrylic x 150mm diameter

External Dimensions

420mm(l) x 400mm(w) x 390mm(h)

Range of movements

Depth: 250mm with 1mm scale
(continuously variable)
Lateral: 240mm in 10mm intervals

Levelling Capability Three point levelling frame
Weight Empty 8kg
Weight full 39kg
Acceptable chambers

NACP, Markus, Roos, NE2571,
NE2581,IBA IC70 and PPC-40,
NPL2611 others upon request.

Ordering Information
The unit comes supplied with 2 chamber holders,
one for the Farmer thimble chamber and the other
for a parallel plate chamber of the customers
choice. Additional chamber mountings available on
request. Also available is the NPL-2611 Special holder which allows the side by side mounting of a single NPL-2611 and a NE-2571 or NE-2581 for inter comparison purposes.