Submersible gamma spectrometer in a waterproof IP68 monoblock, for identifying radionuclides and their concentration in water.
WaterSPEC is designed for both indoor and outdoor use in aquatic environments. Identifiable radionuclides include Co-57, Ce-144, Mo-99, Te-132, Ru-103, I-131, Ba-140, Cs-134, Cs-137, Zr-95, Nb-95, Ag-110, Fe-59, Mn-54, Co-60 and La-140. The spectrometric channel is automatically stabilised by K-40.
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| Detector type | NaI(Tl) Ø 51 × 51 mm; LaBr₃, CeBr₃ or SrI₂ optional |
|---|---|
| Measured energies range | 80 keV to 3000 keV |
| Gamma dose rate measuring range | 10 nSv/h to 0.1 mSv/h |
| Relative energy resolution at 661.7 keV | < 8 % (NaI(Tl)), < 3.5 % (SrI₂) |
| MCA channels | 1024 |
| Data transfer interface | RS-485 |
| Power supply voltage | 4.5 V to 18 V |
| Shell protection level | IP68 |
| Operation temperature | 0 °C to +30 °C |
| Dimensions | 76 × 420 mm |
| Weight | 2.8 kg without cable, 3.7 kg with 20 m cable |
Source: Baltic Scientific Instruments, WaterSPEC brochure (bsi.lv, retrieved November 2026). Full specifications are available in the documents.
