Diode Detector Array for TomoTherapy® Systems

Achieve quick, simultaneous full field profile measurements for multiple Y and X axes and comprehensive beam analysis with TomoDose™ independent quality assurance.

Comprehensive TomoTherapy System QA
Use TomoDose for routine QA, daily QA, and post-component replacement QA. Measure the entire Hi-Art beam in a single measurement, including 1 X-axis and 9 Y-axis

Accessible Data
Get access to raw data and import water tank data to compare with TomoDose files.





Detector Type

SunPoint® Diode Detectors

Detector Quantity

223 total on X and Y

Detector Spacing (mm)

X Primary: 5.0Y
Primary: 4.0Y
Offset: 8.0

Field Size (cm)

53.0 x 9.8

Array Length (cm)

X: 53.0Y: 9.8 (8.0 at ±19.0)

Y Axes Offset (cm)

±5.0, ±10.0, ±15.0, ±19.0 cm

Inherent Backscatter (g/cm2)


Active Detector Area (mm2)


Detector Volume (cm3)


Detector Sensitivity (nC/Gy)


Detector Stability

0.5%/kGy at 6MV

Maximum Dose Rate Limit (Gy/min)


Operating System

Windows 2000, XP 32-bit, or Vista 32-bit

Dimensions: L/W/H (cm)

25.6 x 52.0 x 6.0

Weight (kg)


Number of Connection Cables

Single power/data cable



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