SNC350p is a waterproof, well-guarded, parallel-plate ionization chamber with a design that minimizes perturbation effects as described by Dr. M. Roos et al. (IAEA TRS-381). It is intended for reference, field, and scanning dosimetry of therapeutic electron beams.
Sensitive Volume (cm3): | 0.388 |
Entrance Window (mm): | 0.05 Paint |
1.00 PMMA | |
0.02 Carbon | |
Reference Point (mm): | 1. Below Window Surface |
Collection Volume Height (mm): | 2.0 |
Collector Diameter (mm): | 15.6 |
Guard Ring Width (mm): | 4.1 |
Polarity Effect: | Within 1.000 (±) 0.01 |
Max Dose Rate for (Gy/s): | |
≥ 99.5 % Saturation | 5.2 |
≥ 99.0 % Saturation | 10.4 |
Max Dose Per Pulse for (mGy): | |
≥ 99.5 % Saturation | 0.46 |
≥ 99.0 % Saturation | 0.92 |
Radiation Quality: | Photons: Co-60 to 25 MV |
Electrons: 5 MeV to 25 MeV | |
Field Size (mm): | Minimum: 40 x 40 |
Maximum: 400 x 400 |