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 |
