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Identifinder R225

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Identifinder R225 is spectroscopic instrument that identifies isotopes based on a 18 cm³ CsI crystal with SiPM. R225 can also be provided with high-resolution LaBr(Ce) and then provides ≤3.5% resolution. The interface is the same as all instruments in the Identifinder series. In the R225, the screen has received a major upgrade compare to R200 with increased brightness and readability in polarized sunglasses. The battery lasts more than 30 hours and is replaceable during use. As always with Identifinder, it has Bluetooth, Wi-Fi and GPS for real-time and reach-back capability.

Youtube presentation found here


Stefan Mårtensson


Technical specification

Detector: CsI/LaBr3 18 mm³ with Silicon Photomultiplier (SiPM)
Energy Range: 25 keV – 3 MeV
Gamma Spectrum: 1024 channels
ID Dose Rate Cs-137): 0,1 µSv/h – 250 μSv/h
Dose rate: 0,1 µSv/h – 10 mSv/h
Typical Resolution: CsI ≤7.5 % FWHM at 662 keV, LaBr3 ≤3,5%
Sensitivity: 210 cps/µSv/h
Standards Compliance: ANSI N42.32 PRD & N42.48 SPRD
Communication: USB-C, Blutooth 5, Wi-Fi, App
Battery: Li-ion internal, replaceable back-up CR123A
Operating Temp: -30 to 50°C
Ingress protection: IP67
Dimensions: 145 x 56 x 49 mm (L x W x H)
Weight: 0.4 kg
Suitable Pelicase: 1400 with foam

Service Interval: Recommended five year

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