Sun Nuclear MapCHECK 3 - Specifications; System Requirements; MapCHECK 3 Specifications

System Requirements 21
5 Specifications
System Requirements
Characteristic Details
Operating System Windows 10 Professional, Windows 8.1 Professional, or Windows 7 Pro-
fessional, 32 or 64-bit
Regional Settings U.S. or International
Computer Minimum
•Pentium 4 Dual Core
•CPU Speed = 2.4 GHz
•Total RAM = 4 GB
• Free hard disk space = 5 GB
• USB port = one v2.0
•Video RAM = 32 MB
• Display resolution = 1280 x 1024
• Color depth = 32-bit
• OpenGL hardware accelerated video card
MapCHECK 3 Specifications
Category Characteristic Specification
Diode Detectors Quantity 1527 SunPoint 2, solid state
Spacing between
de
tectors
7.07 mm
Array size 26 cm x 32 cm
Sensitivity ~15 nC/Gy
Active detector area 0.48 mm x 0.48 mm
Position accuracy Within ±0.5 mm of expected position
Buildup and
bac
kscatter
Inherent buildup Water equivalent depth to detector plane: 
1.5 ± 0.1 g/cm
2
Physical depth to detector plane from top of array surface:
1.2 ± 0.1 cm
Physical depth to detector plane from back of device plate:
1.8
± 0.1 cm
Inherent backscatter
2.3 ± 0.1 g/cm
2
Additional buildup (max)
30 g/cm
2
, 30 x 30 cm
Performance Supported energies Co-60 to 25 MV
Linear response over identified c
linical beams. Deviations
from linearity within ± 1.0%.
VMAT delivery supported
en
ergy
6 to 23 MV
6 to 10 MV FFF
Charge resolution 3.74 (±) 0.05fC/LSB
Charge range 1 nC (~10 cGy) to 1000 nC (100 Gy)
Full scale current limit >755 nA
Full scale charge range > 8.0 μC
Max dose/pulse 0.13 cGy/pulse
Non-pulsed max dose rate
(Co
-60)
4.8 Gy/min
Dose rate dependence ±1.5% (100 MU/min to 1400 MU/min)
Sampling frequency 50 ms ± 1.0 ms
Background noise (all
chan
nels)
<= 0.1 pC per sample