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The gamma spectrum analyser is designed to analyse crushed rock (minimum 100 gr). Floor standing and easy to operate, in 5 min this instrument will analyse the Uranium, Thorium and Potassium content of the geological sample.
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| Detector | NaI(TI) volume 0.35 l, 76x76mm (3”x3”) with bi-alkali PMT; Resolution better then 7.5% FWHM at 662 keV. |
| High voltage | Supply range 500 – 1000V digitally controlled |
| Spectrum stabilization | Two point – offset and gain correction, 662 keV typ. at ch. 220; Precision +/- 0.1 c |
| Nonlinearity | Integral max 0.1% of full scale within 95% of range; Differential max 3% of full scale within 95% of range |
| Communication interface | USB |
| Reference source | 137Cs – 9kBq (0.25 µCi) |
| Shieldin | Steel, minimal thickness 85 mm, optionally lead |
| Environmental | Operating temperature range 0 °C to + 40 °C; Storage temperature range -20 °C to + 70 °C |
| Size & weight | 620x360x770 mm; 410 kg ( 580 kg with lead shield) |
| Software Requirements | Operating System : -Windows 2K, XP, Vista, Windows 7; -Linux with Kernel 2.6, Firebird SQL 2.0 |
