| Detector | Probe head dimensions, mm | Detector Volume, cm3 | Bias Voltage, V | Energy Resolution (FWHM) at 662 keV, %* | Peak-to-Compton Ratio at 662 keV* |
|---|---|---|---|---|---|
| SDP 500S | ∅ 24 x 58 | 0.5 | ≤ 1500 | ≤ 2.5 | ≥ 4.0 |
| SDP 1500 | ∅ 32 x 58 | 1.6 | ≤ 2500 | ≤ 3.5 | ≥ 4.0 |
| SDP 4000 | ∅ 40 x 58 | 4.0 | ≤ 3000 | ≤ 4.0 | ≥ 4.0 |
| * measured at room temperature |
