BDR-III – Bubble Detector Reader III

The BDR-III automatic bubble detector reader was specially designed for fast and accurate analysis of the complete range of BTI’s neutron bubble detectors. Bubble detectors consist of an elastic polymer throughout which droplets of a superheated liquid have been dispersed.  When these droplets are struck by neutrons, they form small gas bubbles that remain fixed […]


RC-18 – Recompression Chamber for BDS

The BDS (Bubble Detector Spectrometer) is based on specially formulated bubble detectors that have different neutron energy thresholds. Similar to fast-neutron activation detectors, the measured spectrum from the BDS is derived by “unfolding” the response of the different detectors of the BDS.  The BDS provides spectra in six energy bins.  It has two very important […]


BDS – Bubble Detector Spectrometer

Bubble detectors are the most sensitive, accurate, neutron dosimeters available and have been used for over 25 years by nuclear facilities, research institutes, military personnel, and the medical community. Bubble detectors provide instant visible detection and measurement of neutron dose. Inside the detector, tiny droplets of superheated liquid are dispersed throughout a clear polymer. When […]


BDT – Bubble Detector Thermal

Bubble detectors are the most sensitive, accurate, neutron dosimeters available and have been used for over 25 years by nuclear facilities, research institutes, military personnel, and the medical community. Bubble detectors provide instant visible detection and measurement of neutron dose. Inside the detector, tiny droplets of superheated liquid are dispersed throughout a clear polymer. When […]


BD-PND – Personal Neutron Dosimeter

Bubble detectors are the most sensitive, accurate, neutron dosimeters available. Used for over 25 years by nuclear facilities, research institutes, military personnel, and the medical community, bubble detectors provide instant visible detection and measurement of neutron dose. Inside the detector, tiny droplets of superheated liquid are dispersed throughout a clear polymer. When a neutron strikes […]


FNS 100 – Fast Neutron Spectrometer 100

The FNS-100 is a high efficiency, high resolution fast neutron spectrometer. The detector is a multi-wire 3He ion chamber with a dense quenching gas. The availability of both high efficiency and exceptional resolution in one instrument makes the FNS-100 useful for nuclear science and engineering, materials research and radiation protection. The FNS-100 is supplied with […]


ROSPEC – Rotating Neutron Spectrometer

ROSPEC is a user friendly, unique rotating neutron spectrometer designed specifically for the spectral measurement of degraded fission neutrons, which may be encountered in nuclear power and fuel processing plants, weapons-related military facilities and accelerator laboratories. Introduced in 1992, ROSPEC has a proven operational record with a program of continued performance upgrades. ROSPEC is intended […]


Microspec Calibration Caps

MICROSPEC calibration caps are used for automatic energy calibration in BTI’s MOBILE MICROSPEC and MICROSPEC-6 spectroscopic probe systems. An appropriate cap must be purchased separately for each probe purchased. These cal caps contain small amounts of Na-22 or Cd-109.  Due to the small amounts of nuclear material present in these caps, their shipment are exempt […]


ROSPEC SSS Probe – Simple Scintillation Spectrometer

The Simple Scintillation Spectrometer (SSS) is a neutron spectrometer intended to complement the spectral range of BTI’s ROSPEC system, allowing measurements from 4 to 16 MeV. The SSS detector is an array of small plastic scintillators coupled to a photomultiplier tube.  The dimensions of these scintillators are selected to optimize the neutron response functions of […]


Microspec Beta Probe

BTI’s MICROSPEC systems were the first truly portable spectroscopic instruments providing the two essential pieces of information required by health physicists–dose rate and radionuclide identification.  In addition to an extensive line of photon probes, BTI offers the only commercially available portable beta spectrometer, the B-Probe. Skin dose measurements using traditional thin-window Geiger-Mueller (GM) counters have […]


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