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 Magna Ion Chambers
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Magna Ion Chambers
 


 




 
 

 

 

 

 

 

 

Magna Parallel Plate Ion Chambers,

SeeDOS Code Number 92600 (1cc) or 92650 (3cc)

Orthovoltage

Therapy

Diagnostic

Mammography

 

MAGNA 1cc Parallel Plate Ion Chamber

 

For an Electrometer for use with your Exradin Chamber please click here

 

MAGNA chambers are constructed of Air Equivalent Shonka conductive plastic. This makes MAGNA chambers ideally suited for all air kerma, absorbed dose, and exposure measurements. The window is constructed of 0.025mm thick Kapton impregnated with graphite. Cable connectors are standard, triaxial BNC or TNC connectors making the MAGNA chambers easy to connect to most electrometers. Other cable connectors and adapters are available.

MAGNA 1cc Parallel Plate Ion Chamber, SeeDOS Code Number 92600. ADCL Calibration Points for mammographic and diagnostic x-ray energies, and for cobalt. These calibrations were performed at the following ADCL calibration points: 20M, 30M, 40M, 60M, 80M, 100M, 150M, and cobalt.

MAGNA 1cc Parallel Plate Ion Chamber, SeeDOS Code Number 92600. Measurements done with orthovoltage and superficial x-ray treatment systems. These measurements were done at the following energy levels: 10, 13, 27, 34, 62, 86, 118, and 135 keV, and also on cobalt.

MAGNA 3cc Parallel Plate Ion Chamber, SeeDOS Code Number 92650. ADCL Calibration Points for mammographic and diagnostic x-ray energies. These calibrations were performed at the following ADCL calibration points: 25MO, 28MO, 35MO, 30M, 50M, 80M, 120M, and 150M. MO points = +, M points = ·

SPECIFICATIONS

  1cc 3cc
Energy Dependence Within +/- 1% for HVL of 0.15mm to 0.73 Al, Within +/- 2% for 20 to 150 kVp Within +/- 2.5% for 30 to 150 kVp
Construction Air Equivalent conductive plastic Air Equivalent conductive plastic
Sensitivity 2 x 109 R/C 9.75 x 108 R/C
Collecting Volume 1cc 3cc
Vented Yes Yes
Leakage < 10-14 A < 10-14 A
Typical Bias 50 to 300 VDC 50 to 300 VDC
Window 0.025mm thick Kapton impregnated with graphite 0.025mm thick Kapton impregnated with graphite
Cable Length 3 meter with tri-axial BNC or TNC connector standard 3 meter with tri-axial BNC or TNC connector standard

Specifications subject to change without notice.

For an Electrometer for use with your Exradin Chamber please click here

Go To Other Ion Chambers for a complete range of ion chambers for all applications

Please click here for the latest Exradin Ion Chamber pdf brochure

For a pictorial listing of available Cable Connectors, please click here

For an Acrobat Reader to read the pdf file please click on the adjacent Acrobat logo 

If you are interested in any of the products mentioned here, please fill out an Enquiry Form or Go To the Mammography Product List / Quotation Request Form, so that we may promptly respond to your request.

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Please contact Colin Walters at cwalters@seedos.com if you would like further  information or you have questions

or comments about this web site.
SeeDOS Ltd, 26, The Maltings,Leighton Buzzard, Bedfordshire LU7 4BS, United Kingdom
Tel: +44 1525 850 670  • Fax: +44 1525 850 685