QDR
®
4500 Technical Manual
1-8
PRODUCT SPECIFICATIONS
SPECIFICATION MODEL DEFINITION
Scanning Method: A,SL Multidetector array, Indexing table, and motorized C-arm
W,C Multidetector array, Indexing table, and Arm
X-ray System: All
Switched Pulse Dual-Energy X-ray tube, operating at 100 and
140kV, 5mA avg. at 50% duty cycle, 2.5mA avg. at 25% duty cycle,
30s maximum, Tungsten target
Detector System:
A
216 multichannel detector consisting of CdWO
4
scintillators
coupled to Silicon diodes
SL
128 multichannel detector consisting of CdWO
4
scintillators
coupled to Silicon diodes
C,W
64 multichannel detector consisting of CdWO
4
scintillators coupled
to Silicon diodes
Scanning Sites:
A
Lumbar spine (in AP and lateral projections), proximal femur (hip),
and whole body
SL Lumbar spine (in AP and lateral projections), proximal femur (hip)
W Lumbar spine, proximal femur (hip), and whole body
C Lumbar spine, proximal femur (hip)
Scan Region: A,W 195cm (76.77") x 65cm (25.59")
SL 96cm (38") x 65cm (25.59")
C 96cm (38") x 51cm (20")
Scatter Radiation:
All
Less than 10
µ
Gy/h (1mrad/h) at 2m (79 in.) from the center of the
X-ray beam for all scans except images, which is less than
10µGy/h (1mrad/h) at 3.5m (138 in.) from the center of the X-ray
beam.
Leakage
Radiation:
All
The QDR-4500 meets the requirements of 21 CFR 1020.30(k) for
leakage from the X-ray source
External Shielding
Requirement:
All Contact state regulatory agency.
Calibration: All
Self Calibrating using HOLOGIC Automatic Internal Reference
System. Operator calibration NOT required.
System Weight: Scanner Console
A 365kg 800lb
SL 365kg 800lb
W 310kg 680lb
(installed)
C 295kg 650lb
68kg 150lb
System
A 660kg 1450lb
SL 660kg 1450lb
W 622kg 1370lb
(shipping)
C 610kg 1340lb