The TOPAZ-SiPM is a compact, stand-alone digital Multi-Channel Analyzer (MCA) capable of performing Pulse Height Analysis (PHA) of the signal produced by scintillation detectors which incorporate Silicon devices as photomultipliers (acronymized to SiPMs). Silicon Photomultipliers can be found paired to scintillators employing standard crystals such as NaI(Tl), CsI(Tl), BGO, LaBr3 (Ce), LaCl3(Ce), etc. This MCA can obtain the energy spectrum from the photon radiation detected by such scintillators, and easily read it out to a PC via a standard USB port for further data transfer and analysis.
Basic software comes provided free with the device, but for more intensive analytical applications, the TOPAZ-SiPM is also compatible with our full-featured gamma-ray spectrum analysis software, bGAMMA. A set of programming libraries is also offered, simplifying the incorporation of the TOPAZ-SiPM into existing systems. The programming libraries are available for both Windows and Linux operating systems. The device is available either in a rugged, pocket-size aluminum box with input and output connectors, or as a separate Printed-Circuit Board (PCB) for OEM distribution.
Overview
Detectors paired to Silicon Photomultipliers are commonly used in the detection of gamma-ray radiation due to their high detection efficiency, medium energy resolution and relatively low price. The TOPAZ-SiPM implements two modes of data acquisition: Pulse Height Analysis (PHA), and Multi-Channel Scaling (MCS). PHA mode is regularly used in nuclear spectrometry and radiometry, while MCS is used to follow photon detections in a particular specific energy region in function of time. MCS acquisition mode is useful in both laboratory and industrial applications which make use of radioactive sources, or seek to detect them.
bGamma Spectral Analysis Software
bGamma is a general-purpose, comprehensive, and extensive software package for gamma-ray spectrum analysis, as well as radionuclide identification and quantification. The software can analyze any recorded gamma-ray spectrum independently of the detector type, geometry or sample. bGamma provides all the necessary tools and functionality for performing detailed analysis of complex gamma-ray spectra and the corresponding radionuclide identification for the given sample.
PHA Acquisition Mode
- Spectral memory size of 256, 512, 1024, 2048 and 4096 channels
- Coarse gain with amplification factors of 1, 2, 4 and 8. Fine gain from 1 to 2 in steps of 1/4096
- Upper and Lower Level Discriminator settings given in channels
MCS Acquisition Mode
- Spectral memory size of 256, 512, 1024, 2048 and 4096 channels
- Dwell time from 0.1 sec to “count-forever”
- Easy to setup from ROIs or nuclide information.
Digital Settings
- Rise Time: from 0.1 to 12 sec in steps of 0.2 sec
- Flat Top: from 0.1 to 8.0 sec in steps of 0.1 sec
- Threshold: 1 to 255
- Digital Base Line Restorer (BLR)
- Pile-Up Rejector (PUR)
Preamp Power Supply
- Provision of necessary voltage supply to operate the SiPM preamplifier of the detector: 5V 20 mA
Data Communication
- USB 2.0, cable (standardly 1.5 m length) included
Physical
Sizes:
- MCA box: length 70 mm, width 45 mm, height 26 mm
- PCB only: 63 mm x 39 mm
Weight:
- Less than 70 grams (including box)
Connectors :
- USB type mini B (to computer)
- Lemo connector. Type ERN.03.302.CLL for both detector signal and SiPM power
- Lemo connector Type ERN.00.250.CTL for GPIO
Indicators:
- Yellow LED for incoming count rate (ICR)
- Green LED for power and communication status
Power consumption:
- Typically 1.1 W
Other
- Device is supplied with a basic software to control operation, data acquisition and visualization.
- Full featured gamma-ray spectroscopy software—bGAMMA (optional)
- Necessary programming libraries for Microsoft Windows and Linux (upon request)
- The device is CE compliant
Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our downloads page.
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• Product Firmware
• Product Software and Drivers
• Product Manuals
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