1Overview
The Model 945 SAM III is the latest Radioisotope Identification Device (RIID) from Berkeley Nucleonics. It offers the convenience and familiarity of smartphone / PDA technology with powerful identification and analysis algorithms. The handheld Model 945 gives users real-time updates on isotope ID, isotope class, dose rates, and count rates. The useful library options allow users an application-specific experience: Medical, ANSI, SNM, NORM, User-Customized, and more. The library is expandable to 497 isotopes.
The current feature list in the SAM 945 is eye-popping. In addition to a variety of triggering options and data collection or storage routines, the handheld gives users handy extras like photo-tagging or mid-acquisition time adjustments. GPS details and other environmental conditions are acquired automatically without the need for special user involvement. The utility of using a smartphone / PDA is remarkable, with vibrant display options, ringtones and alarm sounds, efficient power conservation, and an IP65 rated detector package. PeakAbout, the app for the Model 945 SAM III, is included at no charge and is updated with new features regularly by Berkeley Nucleonics. For the next generation of isotope identifier users, the SAM III should be considered.

2Key Features
- Handheld ANSI N42.42 and N42.43 compliant isotope identifier with smartphone.
- Identify multiple nuclear isotopes in under one second.
- Optional 3He neutron detector for SNM (special nuclear material).
- Auto-calibration and stabilization.
- Photo-tagging with N.42 data networking.
- Industry's largest library, with 497 isotope options.
- PeakAbout free smartphone app included at no charge, updated regularly by Berkeley Nucleonics.
- Mid-acquisition time adjustments, plus automatic GPS and environmental data capture.
- Vibrant display options, ringtones and alarm sounds, and efficient power conservation.
- IP65 rated detector package, rated to a 1 m drop test, with water-spray protection.
3Detector & Performance

The Model 945 supports several detector choices, so a single platform covers general identification, special nuclear material work, and high resolution spectroscopy. A GM tube extends coverage into high dose rates, and an optional 3He tube adds neutron detection.
| Detector | Application |
|---|---|
| NaI | General Purpose Isotope Identification |
| CeBr | SNM enhanced, High Resolution Spectroscopy |
| 3He | Neutron Detection (Optional) |
| GM-Tube | High Dose Rates (Standard) |
Electronics use digital signal processing rated at 250,000 to 400,000 CPS (Cs 137). The smartphone display can show the spectrum for review and identification, with color-coded isotope classes and per-nuclide dose rates.

Each identification is reported with its isotope, category, and confidence. Categories are color coded so an operator reads SNM, NORM, medical, industrial, and unknown classes at a glance.
4Specifications
Electronics and Performance
| Parameter | Specification |
|---|---|
| Range | 20 keV to 3.0 MeV |
| Electronics | Digital signal processing, 250,000 to 400,000 CPS (Cs 137) |
| Calibration | Auto-calibration and auto-stabilization |
| Functions | Background, dose and dose rate, isotope ID, search |
Data, Library, and Memory
| Parameter | Specification |
|---|---|
| Data output format | XML, ANSI N42.42 compliant |
| Reports | ID, confidence level, dose rate, and more; over 10,000 reviewable events |
| Identification | Isotope, category, confidence |
| Library | ANSI with color coded classifications, expandable USER library (optional), ANSI 42.34 compatible |
| Memory | More than 10,000 events with user notes |
Smartphone Interface
| Parameter | Specification |
|---|---|
| Functions | Operational modes (user / administrator), GPS, data communication, camera, voice recorder |
Communication and Power
| Parameter | Specification |
|---|---|
| Communication | Bluetooth, USB |
| Identifier battery | More than 8 hours, lithium ion |
| Smartphone battery | More than 8 hours normal use, brand dependent |
Enclosure and Environmental
| Parameter | Specification |
|---|---|
| Dust / moisture | IP65 |
| Droppable | 1 m drop test |
| Water | Spray |
| Dimensions | 10 in x 5 in x 6 in |
| Weight | 6 lb (with standard detector) |
| Operating temperature | -20°C to 50°C |

5Isotope Library

The Model 945 offers the industry's largest library, with 497 isotope options. The library is expandable, and ANSI classifications are color coded so an operator reads each isotope class at a glance. An optional user-defined library supports site-specific work. The useful library options give users an application-specific experience:
- Medical
- ANSI
- SNM (Special Nuclear Material)
- NORM (Naturally Occurring Radioactive Material)
- User-Customized (optional USER library)
6Options & Configurations
The Model 945 is ordered by detector configuration, with gamma-only and gamma-plus-neutron variants of each crystal option.

| Model | Description |
|---|---|
| 945-G | SAM III Handheld Radiation Isotope Identifier, Gamma Detector |
| 945-GN | SAM III Handheld Radiation Isotope Identifier, Gamma and Neutron Detector |
| 945-LG | SAM III Handheld Radiation Isotope Identifier, 1.5 x 1.5 Lanthanum |
| 945-LGN | SAM III Handheld Radiation Isotope Identifier, Lanthanum, He3 |
| 945-CG | SAM III Handheld Radiation Isotope Identifier, 1.5 x 1.5 Cerium |
| 945-CGN | SAM III Handheld Radiation Isotope Identifier, Cerium, He3 |
| 945-HR | SAM III Handheld Radiation Isotope Identifier, High Resolution Gamma Detector |
| 945-HRN | SAM III Handheld Radiation Isotope Identifier, High Resolution Gamma and Neutron Detector |
7Applications
- Emergency Response
- Law Enforcement / HAZMAT
- Homeland Security
- Medical / Industrial
- Passenger and Freight Monitoring
- Non-proliferation Enforcement
- Health Physics / Radiation Safety
- Environmental Waste Monitoring
- Unattended / Remote Monitoring
8Ordering Instructions
Order the system model that matches your detector and neutron needs from Section 6. Every Model 945 includes the PeakAbout free smartphone app at no charge.
| Item | Detail |
|---|---|
| Delivery | 30 days ARO. Demo units in stock. |
| Shipping weight | Approximately 12 lb with travel case |
| Shipping dimensions | 20 in x 25 in x 30 in |
