
FREE-AND 16
Spectrometric station with 16 NaI(Tl) for waste characterisation
- Detector type
- 16 NaI(Tl) 3 × 3 in crystals with PMT and MCA, eight on each side in two arrays

Bild: ELSE NUCLEAR
Mobile drum assay system
A mobile system for fast gamma-spectrometric analysis of radioactive material in drums when HPGe resolution is not required.
Download product sheet (PDF)All values with references – for tender documents
Specifications checked against the manufacturer’s documents on 2026-10-16
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.
| Detector type | 3 × 3 inch NaI(Tl), PMT and compact MCA2 |
|---|---|
| Detector count | 4 in a vertical array2 |
| Drum geometries | 220, 300 and 400 L and larger drums2 |
| Detector positioning | Independent manual height adjustment1 |
| Energy resolution | Below 7.5% for Cs-1372 |
|---|---|
| Efficiency calibration | Monte Carlo characterization, customizable response functions1 |
| Software | Geometry database, clearance limits and customizable reports2 |
|---|
| Power-failure backup | Battery backup for detector electronics2 |
|---|
| Measurement method | Gamma spectrometry of radioactive material in drums1 |
|---|---|
| Lead shielding and collimator | 20 mm per detector2 |
| MDA example, Co-60 | 0.05 Bq/g in 15 min; 220 L drum, density 0.2 g/cm³2 |
| Result unit | Bq/g2 |
The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.
The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Spectrometric station with 16 NaI(Tl) for waste characterisation

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We help you choose the right configuration, detector and accessories for your measurement task.