反康普顿反宇宙射线
超低本底高纯锗伽玛能谱仪
SIM-MAX HPGe1620
SIM-MAX HPGe1620 系列反康普顿反宇宙射线超低本底高纯锗伽玛能谱仪，采用自主研制的新型反符合探测器，可达到极低的本底水平和高性能的反康普顿散射水平，适用于极低水平及强放射性环境下低能端放射性核素活度测量，同时可针对不同的测量对象选择最佳测量模式。
功能特点 <<
● 反符合探测器采用密度大且不易潮解的 NaI 晶体，利于优化仪器峰康比及积分本底性能
● 采用成熟的符合 / 反符合逻辑门电路以及合理的机械设计，不仅使仪器的性能更加稳定且实现了一台装置可进行多种功能测量（反康普顿测量、反宇宙射线测量或反康普顿反宇宙射线测量）
● 采用高分辨率双通道多道分析器，更直观显示反符合前后谱图
● 低本底铅室一体化设计，内部采用复合屏蔽材料
● 集数据获取与分析于一体的数据处理系统
● 提供 IAEA 核素库，包含核素近1700多种
● 可定制多种测量模式：高效率测量、γ-γ、γ-β 符合测量
● 可选配液氮回凝制冷装置（液氮与电气致冷）、液氮制冷
应用领域 <<
一
核电安全
二
水质监测
三
检验分析
四
高等院校和医院
SIM-MAX HPGe1620 系列
High-Purity Germanium (HPGe) Gamma Spectrometer consists of a high-purity germanium detector
Product Descripition：
The SIM-MAX HPGe1620 Series Anti-Compton Anti-Cosmic Ray Ultra-Low Background High-Purity Germanium (HPGe) Gamma Spectrometer adopts an independently developed new anti-coincidence detector. It features an ultra-low background and high-performance anti-compton scattering suppression, and is suitable for the activity measurement of low-energy radionuclides under both ultra-low-level and high-radiation environments. The optimal measurement mode can be selected according to different measured objects.
Functional Features：
● The anti-coincidence detector employs high-density, non-hygroscopic NaI crystals, effectively improving the peak-to-compton ratio and reducing integral background levels.
● Incorporates mature coincidence/anti-coincidence logic circuitry and a well-engineered mechanical design, ensuring enhanced system stability while enabling multiple measurement functions within a single instrument, including Anti-Compton, Anti-Cosmic Ray, and combined Anti-Compton & Anti-Cosmic Ray measurements.
● Equipped with a high-resolution dual-channel multi-channel analyzer (MCA), allowing more intuitive visualization of spectra before and after anti-coincidence processing.
● Integrated low-background lead chamber design with internal composite shielding materials.
● Integrated data acquisition and analysis system.
● Provides IAEA nuclide library, containing nearly 1,700 nuclides.
● Supports customizable measurement modes: high-efficiency measurement, γ-γ coincidence, γ-β coincidence.
● Optional liquid nitrogen recondensation cooling device (liquid nitrogen + electric cooling) and liquid nitrogen cooling.
Application Areas：
● Nuclear Power Safety
● Water Quality Monitoring
● Inspection and Analysis
● Universities and Hospitals
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