The Model 2 Spokas chambers also have thimble geometry but a collecting volume of 0.5 cm3. Four versions are produced: Model A2 is constructed of air-equivalent plastic C552, Model M2 is constructed of magnesium, Model P2 is made of polystyrene-equivalent plastic, and Model T2 employs the tissue-equivalent plastic A150.
The chambers are ideal for routine beam calibration. A2 is intended for exposure and air kerma measurement while the others facilitate the determination of absorbed dose. The M2 and T2 chambers are frequently used together to separate the neutron and photon dose components in neutron beams.
Features:
- Axially symmetric design
- High collection efficiency
- Homogeneous construction
- Complete guarding
- Waterproof construction
- Gas flow capability
- Integrally flexible, low-noise cable
- Separable minimum scatter stem
- Matching equilibrium caps
- Handsome, rugged wooden case
|