B-RAD

Gamma spectrometry meter

A handheld instrument for gamma dose-rate and spectrometry measurements, designed to operate in strong magnetic fields.

Detector type
0.6 × 0.6 inch LaBr₃(Ce³⁺), SiPM1
Energy range
30 keV–2 MeV1
Energy resolution
3.3% FWHM at 662 keV1

Specifications checked against the manufacturer’s documents on 2026-10-16

Manufacturer’s product page (opens in a new tab)

Overview

Key features

  • Measures dose rate and acquires gamma spectra.
  • Designed for magnetic fields up to 3 T.
  • For local measurements and hotspot surveys.

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

Detector type0.6 × 0.6 inch LaBr₃(Ce³⁺), SiPM1

Performance

Energy resolution3.3% FWHM at 662 keV1

Measuring range

Energy range30 keV–2 MeV1
Dose-rate range100 nSv/h to over 20 mSv/h1
Dose-rate response90 cps/(µSv/h)1

Power & battery

Battery lifeUp to 12 h in power-save mode1

Mechanical

Main unit dimensions156 × 191 × 92 mm1
Probe dimensions180 mm length × 50 mm diameter1
Weight2.3 kg1

Environment & ratings

Operating temperature0–40 °C1

General

Measurement functionsGamma dose rate, gamma spectrometry and nuclide identification1
Magnetic fieldUp to 3 T1

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

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
    Publisher: ELSE NUCLEARDatasheet p. 1; p. 2 Checked 2026-10-16
HERMES UW
ELSE NUCLEAR

HERMES UW

Submersible gamma spectrometer and dose-rate meter for pools

Detector type
LaBr₃(Ce³⁺) scintillator with SiPM for spectrometry; wide-range GM tube for dose rate
Energy range
30 keV–2 MeV
Weight
Support frame <40 kg; probe <5 kg
14 referenced values
HERMES DRONE
ELSE NUCLEAR

HERMES DRONE

Gamma spectrometry and radiation mapping payload for drones

Detector type
NaI(Tl) scintillator with crystal sizes up to 3 × 3 in and digital MCA with up to 2,048 channels; optional MERCURY dose-rate detector (energy-compensated dual GM)
Energy range
40 keV–3 MeV; 50 keV–3 MeV with 2 × 2 in NaI(Tl)
Weight
About 2.5 kg (2 × 2 in NaI(Tl))
11 referenced values
HERMES
ELSE NUCLEAR

HERMES

Rugged portable units for radiation survey and emergency response

Detector type
HERMES NAI: NaI(Tl) 3 × 3 in with SiPM
Spectrum channels
HERMES NAI: up to 2,048
Energy range
HERMES NAI: 30 keV–3 MeV
15 referenced values
SaphyRAD S
Bertin

SaphyRAD S

Dose rate & contamination

Energy range
50 keV–3 MeV
IP rating
IP65
Weight
620 g
13 referenced values
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