RTI Barracuda - Page 26

2. Description of the Barracuda
Hardware and Specifications
Barracuda & QABrowser Reference Manual
2012-10/4.3A
22
Mammography
Parameter
BQ
Range
Inaccuracy
Resolution
kVp (standard)
Mo / 30 µm Mo
Mo / 25 µm Rh
Rh / 25 µm Rh
W / 50 µm Rh
W / 0.50 mm Al
Mo / 1.0 mm Al
W / 55 µm Ag
W / 75 µm Ag
W / 50 µm Rh (Gio)
M1
M3
M4
M6
M7
M8
M10
M11
M12
18 – 49 kV
22 – 44 kV
25 – 49 kV
22 – 46 kV
20 – 48 kV
18 – 49 kV
20 – 40 kV
20 – 40 kV
22 – 35 kV
±1.5 % or ±0.7 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
4 digits
(10 V)
kVp (optional)
Mo / 30 µm Mo +
+ 2 mm Al
Mo / 2.0 mm Al
Rh / 1 mm Al
M1d
M2
M5
25 – 35 kV
18 – 49 kV
22 – 35 kV
±2 % or ±1 kV
±2 % or ±1 kV
±2 % or ±1 kV
4 digits
(10 V)
Irradiation time
0.1 ms – 2000 s
1 – 65535 pulses
±1 % or ±0.5 ms
±1 pulse
0.5 ms
1 pulse
Air kerma (Dose)
1
25 nGy – 1500 Gy
3 µR – 150 kR
±5 %
±5 %
–
Air kerma rate
1
(Dose rate)
-Overall
25 nGy/s – 750 mGy/s
2
30 µR/s – 86 R/s
1.8 mR/min –
5100 R/min
±5 % or ±12 nGy/s
±5 % or ±1.5 µR/s
±5 % or ±0.1 mR/min
(for Irr. time >20 ms)
Typ. noise:
6 nGy/s
-Free run
-High Sensitivity
-Low Sensitivity
25 nGy/s – 20 mGy/s
0.25 µGy/s – 20 mGy/s
45 µGy/s – 750 mGy/s
±5 % or ±12 nGy/s
±5 % or ±12 nGy/s
±5 % or ±0.2 µGy/s
Typ. noise:
6 nGy/s
Note 1: All kerma and kerma rate ranges, inaccuracy, and resolution figures are valid for product
version 2 and higher of the MPD.
Note 2: The Kerma rate is calculated as the Kerma (Dose) divided by the Irradiation time. See
also Waveforms and Triggers .
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