Laboratory high-purity germanium γ spectroscopy system with high-purity high-quality germanium crystals, more advanced preamplifiers, lower background lead chambers with higher radiation shielding, better stability digital multichannel analyzers, and cryogenic cooling systems for better energy resolution and lower environmental interference. Equipped with full-featured γ spectroscopy software, the radioactivity characteristics of samples can be measured and analyzed more accurately.

Fields of application

The system is used in many scientific and social fields such as nuclear power, measurement of radioactive content of low-level samples (environmental samples, biological samples, food), inspection and quarantine, biomedicine, astrophysics and chemistry, geology, law, archaeology, metallurgy and materials science.

Features

(1) High purity germanium detector: optional P-type coaxial detector, P-type wide-energy coaxial detector (detection efficiency from 10% to 160% optional), well detector, flat panel detector (detection efficiency from 15% to 60% optional), etc., low instrument background interference, excellent peak symmetry and high resolution;
(2) Low background lead room: the background count rate of the lead room is < 2cps (50keV~2MeV, 50% detection efficiency), and the lead room adopts the top translation door opening method;
(3) Digital multi-channel: optional 16K, 32K, 64K;
(4) γ spectral analysis software: the full-Chinese operation interface and operation manual, integrating spectral control, acquisition, analysis, analysis report, quality control and audit trail functions, built-in editable nuclide library, which can automatically or manually carry out spectroscopic analysis, and realize the functions of nuclide identification and activity calculation;
(5) Passive efficiency scale software: provide high-speed creation of geometric conditions and error identification functions, and can perform efficiency scales on point, columnar, surface and Marlin cup samples without a standard source, with a calculation accuracy of ≤ 3%;
(6) Refrigeration system: liquid nitrogen refrigeration, electric refrigeration or liquid nitrogen condensation refrigeration device can be selected.