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Topaz-SiPM

Bild: BrightSpec

BrightSpec

Topaz-SiPM

Miniature MCA for scintillators with silicon photomultipliers (SiPM)

The smallest MCA in the Topaz series, designed for scintillation detectors with silicon photomultipliers (SiPM). It powers the SiPM preamplifier, has noise reduction for noisy SiPMs and is powered from the PC via USB. The circuit board is available separately to OEM customers.

Spectrum channels
Up to 4,0962
Weight
Less than 70 g (including box)1
Datasheet

Download product sheet (PDF)All values with references – for tender documents

Specifications checked against the manufacturer’s documents on 2026-10-17

Manufacturer’s product page

Overview

Key features

  • Pulse height analysis (PHA) and multichannel scaling (MCS)
  • Programmable external I/O, e.g. counter input or SCA output
  • Supported by bGamma
  • Circuit board available separately for OEMs

Specifications

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Detector

Compatible detectorsScintillation detectors with SiPMs, e.g. with NaI(Tl), CsI(Tl), BGO, LaBr₃(Ce) or LaCl₃(Ce)1

Electronics & signal

Spectrum channelsUp to 4,0962
Gain×1–×162
Digital filter rise time0.1–12 µs in 0.2 µs steps; flat top 0.1–8.0 µs in 0.1 µs steps (trapezoidal shaper)1

Connectivity & interface

CommunicationUSB 2.0 (1.5 m cable included)1

Power & battery

Preamplifier power5 V, 20 mA for the detector’s SiPM preamplifier1
Supply voltageVia USB from the PC2
Power consumptionTypically 1.1 W1

Mechanical

DimensionsBox 70 × 45 × 26 mm (L × W × H); PCB 63 × 39 mm1
WeightLess than 70 g (including box)1

General

Acquisition modesPHA (pulse height analysis) and MCS (multichannel scaling)2

The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.

Documents

PDFTopaz-SiPM technical specificationsDatasheet · BrightSpec

Sources

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

  1. 1
    Topaz-SiPM technical specifications (V1.03)
    Publisher: BrightSpecDatasheet p. 1, Introduction; p. 2, Technical Specifications; p. 2, Technical Specifications – Digital Settings (printed as µs; the PDF text layer has a symbol-font character in plac Checked 2026-10-16
  2. 2
    Topaz-SiPM
    Publisher: BrightSpecProduct page Product page – Main features Checked 2026-10-16
bGamma
BrightSpec

bGamma

Software for gamma-ray spectrum analysis, nuclide identification and quantification

Primary function
Gamma-ray spectrum analysis with radionuclide identification and quantification, independent of detector type, geometry and sample
Functions
Controls data acquisition; automatic peak search; energy, shape and efficiency calibration; fitting methods including Bayesian fitting
Nuclide library
The entire radionuclide decay emission database
6 referenced values
Flint-NaI-Pro
BrightSpec

Flint-NaI-Pro

Gamma acquisition and analysis bundle: Flint probe with NaI(Tl) and bGamma software

Detector type
Flint: SiPM-based integrated probe with a NaI crystal, 2 × 2 or 3 × 3 in
Spectrum channels
256, 512, 1,024, 2,048 or 4,096, 32-bit depth per channel
10 referenced values
bSCAN
BrightSpec

bSCAN

Radio-TLC scanner with NaI(Tl) detector and built-in MCA

Detector type
NaI(Tl), typically 1 × 1 in (2.54 × 2.54 cm)
Spectrum channels
Up to 4,096 (PHA and MCS)
Weight
16.5 kg (36.4 lb)
12 referenced values
NewFlint USB
BrightSpec

Flint USB

Integrated gamma probe: SiPM scintillation detector and digital MCA in one housing

Detector type
Scintillator with SiPM; standard round NaI(Tl), 2 × 2 or 3 × 3 in; can be ordered with CsI(Tl), CeBr₃, LaBr₃(Ce), LBC or SrI₂
Spectrum channels
256, 512, 1,024, 2,048 or 4,096, 32-bit depth per channel
13 referenced values
Contact us

Questions about this product?

We help you choose the right configuration, detector and accessories for your measurement task.

Send inquiryContact
Oscar ÅgerstamFounder & CEO
+46 (0)793-04 51 91 oscar@ndec.se +46 (0)793-12 32 48 (customer service)