P-type HPGe coaxial detector for high-resolution gamma spectroscopy, with relative efficiency from 10 % to 160 %.
High purity germanium detectors deliver outstanding energy resolution for precise gamma-ray spectroscopy, in applications such as nuclear research, environmental monitoring, homeland security and medical diagnostics. The model name gives efficiency and resolution: the GCD-30185 has 30 % relative efficiency and 1.85 keV resolution at 1.33 MeV.
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| Detector type | P-type HPGe coaxial |
|---|---|
| Relative efficiency | 10 % to 160 % (15 models, GCD-10175 to GCD-160230) |
| Energy range | 40 keV to 10 MeV |
| Energy resolution at 122 keV | 825 eV to 1150 eV depending on model |
| Energy resolution at 1.33 MeV | 1.75 keV to 2.20 keV depending on model |
| Peak/Compton ratio | 41:1 to 88:1 depending on model |
| Peak shape FW.1M/FWHM | 1.90 to 2.00 |
| Cooling system | LN2, Monolith or Nicole |
| Complete set | HPGe coaxial detector, SHP preamplifier with cooling input stage, cryostat, cooling system and cable set |
Source: Baltic Scientific Instruments, GCD brochure (bsi.lv, retrieved November 2026). Full specifications are available in the documents.
