This is a legacy product and is no longer available for sale. We continue to service and support this product.

The identiFINDER instrument series are user-friendly instruments that identify man-made and natural radionuclides and combines high sensitivity with a wide dose rate range. The instrument has a dual purpose design to facilitate locating missing or offending sources and then identifying the source via its gamma spectrometry and nuclide identification capability. The identiFINDER is a complete digital gamma spectroscopy and dose rate system. It integrates multi-channel analyzer, amplifier, high voltage power supply, and memory with an integral scintillation and GM detector. The identiFINDER is ideally suited for homeland security, industrial, medical, nuclear power generation and nuclear fuel cycle applications.

Functions Nuclide identification, spectrum analysis, dose rate calculation, total dose display, source finding
Integrated Electronics Multi-Channel-Analyzer, PMT preamplifier, spectroscopy amplifier, power supply
Full specifications
Stabilization In the non-Ultra models, a built-in 137Cs reference source (<15 nCi/500 Bq) is used for online stabilization and in-situ calibration without user interaction. With either stabilization method this special identiFINDER feature allows operation over temperatures between -20°C and +55°C (-4°F and +122°F). The Ultra provides the user with the benefits of LED stabilization technology with or without a small 3nCi Cs137 source, as preferred for implementation and transportation
Software The identiFINDER provides for easy storage of up to 100 spectra and rapid transfer to a PC for reach-back and/or qualitative in-situ analysis with the software supplied.
User Selectable Nuclide Library There are 74 reference spectra of radionuclides stored in six libraries: Nuclear, Industrial, Medical, U.S. Customs Service, OSI (On Site Inspection by IAEA officials), and Security. All sub-libraries except OSI can be edited by adding or deleting specific nuclides from the list. Ten reference spectra can be measured by the user and added to the predefined library spectra. Identification is done by a template-matching correlation procedure.
Physical Dimensions
Weight 1250 g (2.75 lb) with 35.5 mm x 50.8 mm (1.4 in x 2 in) Nal and batteries
Temperature Range -20°C to +55°C (-4°F to +122°F)
Protection Water proof, dust tight
Protection Class IP 54
Battery Life 10-12 hours; common batteries can also be used (i.e., emergency situations)
Dimensions 248.92 mm x 94 mm x 76.2 mm (9.8 in x 3.7 in x 3 in)
Spectrometry System Specifications
HV-Bias 200 V to 1275 V automatically set to suit individual detector
Shaping Type Digital filter
INL, Top 99% <0.05%
DNL, Top 99% <0.1%
Spectrum Length 1024 channels
Pileup Rejection <100 nS, pulse pair res.
Throughput Rate >100,000 cps
Input Rate >350,000 cps
Spectrum Memory 100 spectra at 1024 channels
Real Time Presets 1 s to 1,000,000 s
Live Time Presets 1 s to 1,000,000 s
Dose/ Dose Measurement Specifications
Sensitivity >10,000 cps/mrem for 35.5 mm x 50.8 mm (1.4 in x 2 in) Nal (TI) detector
Dose-rate Range 1 µrem/h to 100 rem/h max dose-rate equivalent to max dose-rate of NAl
Dose Range 10 µrem to 100 rem
Energy Range Nal: 15 keV to 3.0 MeV; GM: 60 keV to 1.6 MeV
Alarm Levels Gamma: Four preset levels
Neutron Separate neutron alarms for 3He model, with blue indicator lamp