Varex Imaging XRpad2 4343, Руководство пользователя, Страница: 30 / 74

XRpad2 4343
12 www.vareximaging.com
U
SER
M
ANUAL
10.3 X-ray Detector Specification
Table 7 displays the specifications for the X-ray detector. In addition, Figure 3 , Figure 4 , and
Figure 5 below display the measured DQE (per the IEC 62220-1 Ed.1 standard at ~8 µGy), MTF,
and characteristic curves of the X-ray detector.
Table 7 X-ray Detector Specification
Sensor
Panel Single substrate amorphous silicon active TFT/diode array
Scintillator Direct deposition CsI:Tl
Gd
2
O
2
S:Tb (Gadox)
Pixel Matrix 4288 × 4288
Pixel Pitch 100 μ m
Electronics
Amplifiers Low noise ASICs with user selectable gains
ADC 16-bit
Image Transfer Time Wired: 1000 ms; Wireless: 5500 ms
On-board Memory 1 GB DDR3, 8 GB SDHC card
Mechanical
Size ISO 4090 for 43 cm × 43 cm (17” × 17”) cassette size
Active Area 426 mm × 426 mm
External Dimensions 460 mm (w) × 460 mm (l) × 15.5 mm (h)
Weight 4.1 kg (9.03 lbs)
Housing Aluminum frame with carbon-fiber entrance window
Communication
Status Display OLED display with Wi-Fi, LAN, battery, and sensor indicators
Wireless Data I/F 802.11n Wi-Fi standard @ 5 GHz
Channel: WAP: 36-48, 149-165
Stationary: 36-48, 149-165
Stationary DFS:
a
52-64, 100-116, 132-140
Wired Data I/F GigE, trigger and power via optional docking connector
X-ray I/F Integrated X-ray trigger control
Automatic Exposure Detection
Image Performance
Limiting Resolution 5.0 cy/mm
Typical MTF 70% (1 cy/mm), 40% (2 cy/mm), 15% (4 cy/mm) for RQA5
Typical DQE 75% (0 cy/mm), 60% (1 cy/mm), 40% (3 cy/mm) for RQA5
Typical Radiographic Lag 1%
Version
01
2017-11-03