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Gamma Detectors
In Gamma detectors, the gamma radiations produce electrons by interacting with the cathode material and the filling gas.These electrons ionize the gas and the charge carriers are collected by the electrodes. The resulting anode pulse is detected by a load circuit. The primary electrons are created by several interaction mechanisms:- Photoelectric effect- Compton scattering- Pair production
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Digital MCA Tube Base For Gamma-Ray Spectroscopy
Gamma Stream Family
CAEN Gamma stream is a compact and portable system for gamma ray spectroscopy with scintillation detectors, which provides an active Multi-Channel Analyzer (MCA) integrated in a 14-pin photo-multiplier tube (PMT) base. Gamma stream fully integrates in a stand-alone device the high voltage to bias the PMT, the preamplifier to shape the signal from detector, and the MCA for a complete Pulse Height Analysis online.
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Mineral Insulated Extensions
The extreme operating conditions in which Photonis neutron and gamma detectors operate can lead to deterioration of organic insulated cables, resulting in signal degradation which often requires cable repair.
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Alpha Spectroscopy
Alpha spectroscopy is used to identify and quantify radionuclides based on the alpha particles emitted in the decay process. Similar to Gamma Spectroscopy, energy spectra are generated with high precision detectors and electronics and analyzed with special software. Typically, samples are measured following chemical separation to isolate the radionuclides of concern due to the complexity associated with correcting for these interferences with spectrum analysis software as is common for many Gamma Spectroscopy measurements.
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HPGe Detectors & Spectrometers
Baltic Scientific Instruments, Ltd
Baltic Scientific Instruments produces gamma- and X-ray spectrometers based on HPGe coaxial or planar detectors with liquid nitrogen and electric machine cooling. The spectrometers are used for radionuclide analysis and for monitoring of activity in the nuclear industry and related environment monitoring. HPGe detectors have additional applications in scientific research and technology development as well as in various spheres of industry including security and border control.
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HPGe Detectors & Spectrometers
Baltic Scientific Instruments, Ltd
Baltic Scientific Instruments produces Gamma- and X-ray spectrometers based on HPGe coaxial or planar detectors with liquid nitrogen and electric machine cooling. The spectrometers are used for the radionuclide analysis and calculation of the activity in nuclear industry and environment monitoring, as well as in various spheres of industry, science and technology.
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Probes, Cables & Detectors
Probe has a mica window that has a thickness of 1.8 to 2.0 mg/cm2. This allows detection of alpha radiation as low as 3.0 MeV when in close proximity to the window. Beta radiation in excess of 35 keV and X-ray or gamma radiation greater than 6 keV can also be deteched. The detector is provided with a BNC connector. It can be used with most count rate and survey meters which accept Geiger Mueller (GM) detectors operating at 900V DC.
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Gross Gamma Screening System
The Gross Gamma Screening system is intended for the rapid screening of urine samples for the presence of elevated radioactivity in a post-radiological event scenario. This system allows up to eight urine samples to be counted simultaneously in discretely shielded 3” x 3” NaI Well radiation detectors to quickly identify elevated radioactivity from personnel in the exposed population. This screening process provides critical information to Emergency Response Agencies and is accomplished with minimal operator training.
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Digital Multi Channel Analyzer
DT5770
The DT5770 is a compact portable 16k Digital MCA for Gamma Spectroscopy, integrating analog front-end with programmable gain and possible AC coupling. It is ideally suited for high energy resolution semiconductor detectors, like HPGe and Silicon, connected to a Charge Sensitive Preamplifier (CSP). The unit can also properly operate directly connected to a PMT with inorganic scintillators (e.g. Nal or Csl scintillators), provided exponential pulse shape and decay time above 200 ns.
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Optical Meters
The Gamma Scientific range of light meters includes handheld and benchtop models. Configuration options include a wide range of sensors and calibrations in units including: Luminous Flux (lumens) or Radiant Flux (Watts), Illuminance (lux, foot-candle) or Irradiance (W/cm2 ), Luminous Intensity (candela) or Radiant Intensity (W/sr), Luminance (cd/m2 , foot-Lambert) or Radiance (W/m2 sr), or Pulse Energy (Joules). Cooled sensors and reference standard detectors are also available.
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Environmental (Radiation) Monitoring System
Hawk® EMS
The Hawk® EMS is a wall or tripod-mounted radiation monitoring and alarm system designed for use with the Hawk® Radius dual sensor radiation probe. Each EMS System comes with a Hawk Radius Probe. The system is extremely energy efficient and can run for weeks on an internal 9 volt back-up battery if power fails. It is well suited for operating on a small solar panel, which is an optional accessory. The Hawk® EMS features two displays that show the radiation levels measured by each of the probe’s two detectors: the weatherized “pancake-style” Geiger-Mueller tube — which measures alpha (if configured for it), beta, low energy gamma, and x-radiation — and the energy-compensated gamma tube which measures penetrating gamma dose rate. The probe can be mounted next to the EMS system or outdoors, or in adjacent rooms on cables up to 100 ft in length. Standard cable is 3 meters in length. Optional signal booster can support cable lengths longer than 100 feet. Optionally the system can also be configured to share data on ethernet or wireless networks.
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NIM-Modules
The "dual channel" TDC'''' - Model 7072T - converts time directly to a digital output. They offer improved performance and linearity specifications compared to separate TAC and ADC modules. There is also the Wilkinson-type ADC, Model 7070 which is suitable for high resolution HPGe detectors. Our Constant-Fraction discriminators are still state-of-the-art even after a more than 20 Year history. The Differential CFD - Model 7029A - still offers the highest counting rate (>50 MHz) of any such devices. Our Pulse-Shape Discriminator - Model 2160A - can be used to separate neutron and gamma particles, alphas and protons, electrons and alphas etc depending on the detector used.
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Spectroscopic Personal Radiation Detector
identiFINDER® R200
identiFINDER® R200 instruments are rugged, pager-sized Spectroscopic Personal Radiation Detectors (SPRD). They provide full ANSI N42.32 Personal Radiation Detector (PRD) compliance and feature next-generation solid state detector read-out technology that delivers ANSI N42.48 SPRD compliance with nuclide identification. The R200-G detects and identifies gamma radiation and the R200-GN additionally provides neutron detection capability. Law enforcement agencies and first responders use the R200 during routine traffic stops or high visibility events and in mass transit or critical infrastructure entry control points. The OneTouch Reachback™ feature uses the latest advancements in Bluetooth® and web server technologies to provide large-scale situational awareness by alerting others before arriving on-scene.
