Designed Especially for Mammographic Measurements

The Magna 1 cc ionisation chamber is designed especially for mammographic dose and dose rate measurements. However, it has an excellent energy response and can also be used for radiographic applications. The Magna Ion Chamber is the ideal choice for two reasons; Evaluations of Magna chambers show an average response is within ± 1% over an extended mammography range of 20-40 kVp (HVL of 0.15 mm to 0.73 mm Al). All mammographic mean glandular dose tables are based on in air measurements. MAGNA's air equivalent construction makes it ideally suited for in air exposure measurements of mean glandular dose. The Magna 1 cc will be delivered in a durable case for its best protection.

Magna 1cc together with Barracuda

The Magna 1cc can be connected directly to the Barracuda (via a bias electrometer module EMM-Bias module). It can be used especially for mammography applications when an ion chamber is preferred instead of a solid-state detector.

Magna 1cc together with Solidose 400

Magna 1cc can also be connected directly to the Solidose 400 - no adapter cable is needed. It can be used especially for mammography applications when an ion chamber is preferred instead of a solid-state detector.

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General

• Energy dependence Within ±1 % for HVL of 0.15 mm to 0,73 mm Al
• Within ±2 % for 20 to 150 kVp
• Construction Air equivalent conductive plastic
• Sensitivity 38 nC/Gy or 0.33 nC/R
• Collecting Volume 1 cm³
• Ventage Yes
• Leakage < 50 fA
• Typical Bias 300 V DC
• Window Kapton conductive film + mylar protective film
• Cable length 2 m
• Connector Triax LEMO

Ranges with Barracuda

Dose	150 nGy-at least 2 MGy ±5 %
	17 µR-200 MR
Dose rate	5 µGy/s-250 Gy/s ±5 %
	30 MR/min-1500 kR/min

Ranges with Solidose 400

Dose	13 µGy -200 kGy ±5 %
	1.5 mR-20 MR
Dose rate	125 µGy/s-390 Gy/s ±5 %
	0.85 R/min-2.6 MR/min