B-RAD is a portable, hand-held radiation survey meter, capable of measuring the photon dose rate in presence of strong electromagnetic fields. It has been tested to work properly in magnetic fields up to 3 T. For comparison, conventional devices fail to operate at intensities as low as 0.1 T.

Light and compact, equipped with an extensible telescopic rod, up to 2.5 m, B-RAD is ideal for radiation surveys and for local measurements of contamination or residual radioactivity in hot spots. It also includes a Hall probe connected to an indicator for a rough measurement of the magnetic field in which it is operating.

B-RAD employs a high sensitivity LaBr3(Ce3+) crystal directly coupled to a Silicon photomultiplier (SiPM) matrix. The excellent scintillation properties and the high photon resolution of the scintillator make the device capable of operating over a wide energy range with a very fast response, i.e. reducing at minimum dead time-related issues.

This technology has been originally developed at CERN (*), and has become the standard for radiation surveys in the Large Hadron Collider (LHC) experiments. It is commercialized under an official license granted by CERN, with the “CERN Technology” label.

(*) Patent resulting from patent application number EP 14170108.6 “Portable Radiation Detection Device for Operation in Intense Magnetic Fields”.

In addition to standard supply, the following options are available upon request:

  • Display and recording of the spectrometric information of the gamma field (4% FWHM at 662 keV)
  • Extension of the temperature operating range to industrial grade
  • Custom size of the LaBr3:Ce3+ (8%), up to 3”x 3”
  • Telescopic rod up to 2.5 m


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