SIGMA™

Compact Csl Scintillation Spectrometer

The SIGMA family is based on a CsI scintillator crystal coupled to a 'state-of-the-art' SiPM (Silicon Photomultiplier) detector, high voltage, electronics and integrated MCA.

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Data Sheet

Features

Data Sheet

All-in-one detector, electronics, and MCA
Includes CsI scintillator detector with SiPM (No photomultiplier tube)
Resolution better than 7.2% (at 662 keV)
Small overall size, but big performance
- SIGMA25: 35 x 35 x 105 mm; 200 g
- SIGMA50: 35 x 35 x 130 mm; 300 g
USB connection to PC
USB powered, 250 mW max
Interface to Genie™ software spectral analysis

Description

The SIGMA family is based on a CsI scintillator crystal coupled to a “state-of-the-art” SiPM (Silicon Photomultiplier) detector, high voltage, electronics and integrated MCA. All communication and power are provided over the mini-USB connector.

The SIGMA family comes in two scintillator sizes. The SIGMA25 has a 1 in³ CsI detector and the SIGMA50 has a 2 in³ CsI detector. All other aspects of the two devices are identical. Both units have a FWHM resolution specification of 7.2% at 662 keV, which is comparable to many NaI based solutions.

The profile of the SIGMA detectors makes them ideal for many portable spectroscopy applications where size, weight and power constraints are very important. The embedded MCA has a fixed number of channels, fixed high voltage and gain that provides a simple interface that is easy to setup and operate with essentially no configuration.

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