MapCHECK® 3 is the gold standard for IMRT QA requiring large field measurements. It offers the highest detector density, highest sensitivity, and largest field size of 2D arrays. Plus, it's uniquely TG 218-compliant.
Built for Pre-Treatment IMRT QA
SunPoint® 2 Diode Detectors placed uniformly throughout the array offer high sensitivity and proven stability in a large active field size (26 cm x 32 cm). A real-time electrometer measures every pulse with 50-millisecond updates.
Easy Comparison Features
Simply import the QA files from your TPS, and let SNC Patient™ software compare dose distribution from the plan file to actual measured values. Measured points outside of acceptance criteria are highlighted for high and low dose.
See why MapCHECK 3 is the chosen solution for IMRT QA.

Address Rotational Beams
Use MapCHECK 3 with MapPHAN™, a water equivalent phantom, for RapidArc®, VMAT, and TomoTherapy®. Setup time is fast and measurement can occur in coronal and sagittal orientations.

Quick Start Features
Portable and lightweight array with no warm-up or pre-irradiation necessary for use

Easy Annual Calibration
Patented Wide Field Calibration step-by-step instructions are included in SNC Patient™ software, for a 15-minute annual calibration.

Isocentric Mounting Fixtures
GMF™ and IMF™ Mounting Fixtures mount the MapCHECK 3 to the head of the gantry for quick, reproducible isocentric measurements at any gantry angle.

SNC Patient™ Software
Import QA files from TPS, and SNC Patient compares dose distribution of plan file to actual measured values. Points outside acceptance criteria are clearly highlighted.
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Specifications
Detector Type |
SunPoint® 2 Diode Detectors |
Detector Quantity |
1,527 |
Field Size (cm) |
26 x 32 |
Detector Spacing (mm) |
7.07 |
Active Detector Area (mm x mm) |
0.48 x 0.48 |
Active Detector Volume (mm3) |
0.007 |
Detector Sensitivity (nC/Gy) |
15 |
Sampling Frequency (ms) |
50 |
Detector Stability |
1%/kGy at 6 MV |
Dose Rate Dependence |
±1.5% over the range of 100 cGy/min to 1400 cGy/min |
Inherent Buildup (g/cm2) |
1.5 |
Inherent Backscatter (g/cm2) |
2.3 |
Radiation Measured |
Photons: Co-60 to 25 MV |
Number of Connection Cables |
Single power/data cable |
Dimensions (L/W/H) |
56.0 cm x 29.2 cm x 3 cm |
Weight (kg) |
5.6 |
MoreLess |
Operating System |
Windows 7, Windows 8.1, Windows 10 Professional |
CPU |
Recommended 2.4 GHz or better, multi‑core (2 or more cores) |
RAM |
Recommended 4 GB or more |
Hard Drive Space |
Recommended 5 GB or more |
Rotational Therapy |
RapidArc®, VMAT, TomoHelical™ IMRT, TomoDirect™, 3D Conformal, Dynamic Wedge |
Treatment Planning Systems |
Pinnacle®, Eclipse®,Monaco®, iPlan®, and any TPS system that can export DICOM data |
Deliveries |
FFF & non-FFF |