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Topaz-HR

Bild: BrightSpec

BrightSpec

Topaz-HR

Compact stand-alone digital MCA for HPGe and other high-resolution detectors

Stand-alone digital multichannel analyser for high-resolution gamma-ray spectrometry with HPGe detectors, with built-in high voltage and preamplifier power. It has up to 16K channels and PHA, MCS, LIST and TLIST modes, and connects by high-speed USB. It can also be used with scintillators.

Spectrum channels
Up to 16,384 (16K), 32-bit depth2
Weight
Less than 200 g (including box)2
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

  • Trapezoidal shaper with dead-time correction and pole/zero adjustment
  • Two programmable I/O lines, e.g. for external counters or external control
  • External high-voltage inhibit
  • bGamma available as a package

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 detectorsHigh-resolution detectors such as HPGe; RC or pulse-reset preamplifiers1

Electronics & signal

ADC14-bit, 50 MS/s; 100 MHz DSP1
Spectrum channelsUp to 16,384 (16K), 32-bit depth2
Gain×1 to ×256 (coarse 1, 2, 4 … 128; fine 1–2 in steps of 1/16,384)2
Detector high voltage0–6,000 V, 350 µA, automatic ramping; dual polarity, fixed at the factory1
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)2

Connectivity & interface

CommunicationUSB 2.0 (high speed, up to 480 Mbit/s)1

Power & battery

Supply voltage9–24 V from the supplied AC/DC adapter, 15 W max2

Mechanical

Dimensions126 × 106 × 56 mm (L × W × H)1
WeightLess than 200 g (including box)2

General

Acquisition modesPHA, MCS, LIST and TLIST (event time resolution better than 30 ns)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-HR 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-HR
    Publisher: BrightSpecProduct page Product page – introduction and Main features; Product page – Main features Checked 2026-10-16
  2. 2
    Topaz-HR technical specifications (V1.7a)
    Publisher: BrightSpecDatasheet 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
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)