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dir=\"auto\">特征\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\u003Cspan dir=\"auto\">多功能数字显示单元\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">轻量级速率计的替代设备\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">两组测量单位之间的简单切换\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">慢化中子探测器\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">范围：0 至 99.9 mSv\u002Fh（0 至 9.99 rem\u002Fhr）\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">显示单元可拆卸，功能更丰富\u003C\u002Fspan>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Chr>\n\u003Cp>\u003Cspan dir=\"auto\">Ludlum 30-4 型在 30 型数字显示单元的基础上，增加了一个 22.9 厘米（9 英寸）的 REM 球，内含一个\u003C\u002Fspan>\u003Csup>\u003Cspan dir=\"auto\">3\u003C\u002Fspan>\u003C\u002Fsup>\u003Cspan dir=\"auto\"> He 探测器，从而显著减轻了重量，使仪器更紧凑、更易于操作，可用于测定中子剂量率。用户可使用三种操作模式：RATE、MAX 和 COUNT。RATE 和 MAX 模式下，测量值可采用两组单位（主单​​位和辅单位）采集，单位包括 cps、cpm、rem\u002Fhr 或 Sv\u002Fh。内置开关用于启用或禁用前面板设置功能，以防止所需设置被意外修改。用户也可使用 Ludlum Measurements 的软件进行设置。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cspan dir=\"auto\">该仪器配备大型、易读的 LCD（液晶显示屏），可旋转，最大程度地方便操作员使用。连接线穿过坚固的手柄，方便使用。此外，显示单元可从 REM 球上拆卸，方便操作员在电缆长度范围内将探测器和显示单元调整到最佳位置。其他特点包括音频警告音以及简单、直观、用户友好的设计。防溅结构使 Model 30 能够在户外环境中使用。仪器主体由轻质、耐用、耐冲击的塑料制成。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ctable class=\"table table-bordered\">\n\u003Ctbody>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">指示用途\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">中子剂量率 \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">探测器\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Csup>\u003Cspan dir=\"auto\">3\u003C\u002Fspan>\u003C\u002Fsup>\u003Cspan dir=\"auto\"> He比例探测器，1.6 x 2.5厘米（0.6 x 1.0英寸）（深 x 长），周围环绕着一个直径22.9厘米（9.0英寸）的镉载聚乙烯球\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">测量范围\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">0 至 99.9 mSv\u002Fh（0 至 9.99 雷姆\u002F小时）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">灵敏度（裸 AmBe 中子）\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">通常为每 μSv\u002Fh 10 cpm（每 mrem\u002Fhr 100 cpm） \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">能量响应\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">提供从热中子到 7 MeV 的近似逆 RPG 曲线，提供高达 12 MeV 的响应\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">线性\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">读数与实际值的10%以内\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">伽马射线抑制（\u003C\u002Fspan>\u003Csup>\u003Cspan dir=\"auto\">137\u003C\u002Fspan>\u003C\u002Fsup>\u003Cspan dir=\"auto\"> Cs 伽马射线）\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">10 cpm 至 0.1 Sv\u002Fh（10 R\u002Fhr） \u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">LCD显示屏\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">3 位 LCD 大显示屏，13.4 毫米（0.53 英寸），低电量指示器，MAX、ALARM、MUTE\u003C\u002Fspan>\u003Cbr>\u003Cspan dir=\"auto\">单位：(k)cps、(k)cpm、(µ)(m)Sv(\u002Fh)、(µ)(m)rem(\u002Fh)\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">显示范围\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\n\u003Cul>\n\u003Cli>\u003Cspan dir=\"auto\">0.0 cps 至 99.9 kcps\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">0.00 cpm 至 999 kcpm\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">0.00 µrem\u002F小时至 999 rem\u002F小时\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cspan dir=\"auto\">0.00 µSv\u002Fh 至 999 Sv\u002Fh\u003C\u002Fspan>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cspan dir=\"auto\">可以设置显示范围以将显示限制在校准范围内\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">背光\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">内置环境光传感器会自动激活低功率LED背光，除非将内部拨码开关设置为常亮（这将缩短电池寿命）。警报光强度会根据环境光水平而变化。\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">控件\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\n\u003Cul>\n\u003Cli>\u003Cstrong>\u003Cspan dir=\"auto\">开启\u002F关闭\u002F确认：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\">长按开启；点击确认警报并使警报音静音；按下重置 Sigma Audio 警报，打开\u002F关闭“咔哒”音频，打开\u002F关闭 Sigma Audio 蜂鸣声；按住关闭\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Cspan dir=\"auto\">模式：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\">长按可在 NORMAL（计数率）、MAX（捕获峰值率）、COUNT（用户可选的预设计数时间，0 至 10 分钟）之间切换。模式数量可在设置中减少。\u003C\u002Fspan>\u003C\u002Fli>\n\u003Cli>\u003Cstrong>\u003Cspan dir=\"auto\">单位：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\">长按可在计数率（cpm、cps）或剂量\u002F曝光（µSv\u002Fh、rem\u002Fhr）之间切换单位\u003C\u002Fspan>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">响应时间\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">用户可选择 1 至 60 秒、自动响应速率“快”或“慢”，或固定“快”和“慢”\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">警报\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">计数率、暴露\u002F剂量和定标器警报设定点可在显示范围内调节\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">超载\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">高计数率饱和保护可防止错误显示较低计数率\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">死区时间校正\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">采用一阶和二阶校正来扩展性能\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">工作电压\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">约 1200 Vdc\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">临界点\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">-2 毫伏\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">声音的\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">0.6 米（2 英尺）处大于 75 dB，约 4 kHz\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">单击“音频划分”\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">x1、x10、x100、x1000\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">力量\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">两节碱性电池或两节可充电“AAA”电池\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">电池寿命\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">约 100 小时运行时间，24 小时低电量警告\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">建造\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">耐冲击塑料，配有防水橡胶密封圈和独立电池仓\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">工作环境\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">户外防溅罩\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">温度范围\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cspan dir=\"auto\">-20 至 50 °C（-5 至 122 °F）\u003C\u002Fspan>\u003Cbr>\u003Cspan dir=\"auto\">可经**在 -40 至 65 °C（-40 至 150 °F）范围内运行\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">环境评级\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cabbr title=\"美国电气制造商协会\">\u003Cspan dir=\"auto\">NEMA\u003C\u002Fspan>\u003C\u002Fabbr>\u003Cspan dir=\"auto\">等级为 3x 或\u003C\u002Fspan>\u003Cabbr title=\"防护等级\">\u003Cspan dir=\"auto\">IP\u003C\u002Fspan>\u003C\u002Fabbr>\u003Cspan dir=\"auto\">等级为 52，带有音频孔密封选项（孔密封选项将使最大音量降低约 10 dB）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">尺寸\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cstrong>\u003Cspan dir=\"auto\">显示装置：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\"> 8.5 x 8.0 x 4.8 厘米（3.4 x 3.1 x 1.9 英寸）（高 x 宽 x 长）\u003C\u002Fspan>\u003Cbr>\u003Cstrong>\u003Cspan dir=\"auto\">探测器：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\">直径 22.9 厘米（9 英寸）的 REM 球，带\u003C\u002Fspan>\u003Csup>\u003Cspan dir=\"auto\">3 个\u003C\u002Fspan>\u003C\u002Fsup>\u003Cspan dir=\"auto\">He 探测器（1.6 x 2.5 厘米）（深 x 长）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>\u003Cspan dir=\"auto\">重量\u003C\u002Fspan>\u003C\u002Fth>\n\u003Ctd>\u003Cstrong>\u003Cspan dir=\"auto\">显示单元：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\"> 174 克（0.38 磅）\u003C\u002Fspan>\u003Cbr>\u003Cstrong>\u003Cspan dir=\"auto\">REM 球组件：\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan dir=\"auto\"> 6.6 千克（14.5 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3007 系列 中子剂量测量仪\u003C\u002Fspan>\u003C\u002Fh2>\n\u003Ch3>\u003Cspan class=\"\">产品概述\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">Model 3007 系列中子剂量测量仪将手持式数字仪表与直径 19.5 厘米（7.7 英寸）的 REM 球相结合，其中包含用于测量和监测中子辐射的探测器\u003C\u002Fspan>\u003Cspan class=\"\">。仪表主体采用高抗冲塑料制成，具备防溅水结构，可适用于户外作业环境\u003C\u002Fspan>\u003Cspan class=\"\">。设备由四节 AA 碱性电池供电，支持 -20°C 至 50°C 的工作温度范围（通过**后可扩展至 -40°C 至 65°C）\u003C\u002Fspan>\u003Cspan class=\"\">。电池寿命在正常使用条件下约为 750 小时，LCD 屏幕会在剩余电量不足 16 小时时发出低电量提示\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">仪器出厂时已安装电池并附带校准**，开箱即可使用\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3>\u003Cspan class=\"\">核心特性\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">测量范围\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：0 - 100 mSv\u002Fh（0 - 10,000 mrem\u002Fhr）\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">探测器\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：³He 正比探测器（1.6 x 2.5 cm），外围包裹高密度聚乙烯慢化球\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">伽马抑制能力\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在 0.1 Sv\u002Fh（10 R\u002Fhr）伽马辐射场中仍可正常工作\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">显示与交互\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：配备带背光功能的大尺寸 LCD 屏幕，显示清晰，采用五按钮界面，操作直观\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">可选内部伽马探测器\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：“i” 版本在仪表内集成内置伽马探测器，可同时用于中子剂量测量和伽马暴露\u002F剂量测量\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cspan class=\"\">版本说明\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">该系列提供多个版本，以满足不同应用需求\u003C\u002Fspan>\u003Cspan class=\"\">：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">Model 3007\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：硼浓度较低，典型灵敏度为 10 cpm\u002FμSv\u002Fh（100 cpm\u002Fmrem\u002Fhr），在 5 keV 范围内存在一定程度的超响应\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">Model 3007B\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：硼浓度较高，典型灵敏度为 4.5 cpm\u002FμSv\u002Fh（45 cpm\u002Fmrem\u002Fhr），在 5 keV 范围无超响应问题\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">Model 3007-1\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：采用更高压力的探测器，典型灵敏度为 17 cpm\u002FμSv\u002Fh（170 cpm\u002Fmrem\u002Fhr），因压力原因需遵守特定运输规定\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">“i” 版本\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：在仪表中集成内置伽马探测器，用于暴露或剂量测量\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cspan class=\"\">操作模式\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">仪器提供四种操作模式，通过 MODE 按钮切换\u003C\u002Fspan>\u003Cspan class=\"\">：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Cdiv class=\"ds-scroll-area__gutters\">\n\u003Cdiv class=\"ds-scroll-area__horizontal-gutter\"> \u003C\u002Fdiv>\n\u003Cdiv class=\"ds-scroll-area__vertical-gutter\"> \u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">模式\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">功能描述\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">RATE\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">显示当前计数率、暴露\u002F剂量率或活度率\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">MAX\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">捕捉测量过程中检测到的峰值计数率或剂量率\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">COUNT\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">在预设时间内完成计数，结果显示为计数累计值或时间平均率\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">DOSE\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">显示实时累积剂量，可在其他模式下持续监测累积值\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">对于 RATE 和 MAX 模式，测量单位可在 cps、cpm、Bq、dpm、mR\u002Fhr、mrem\u002Fhr 或 μSv\u002Fh 等两组单位（主单位与次单位）之间选择，用户可通过 UNITS 按钮快速切换\u003C\u002Fspan>\u003Cspan class=\"\">。所有操作模式均可设置声音警报\u003C\u002Fspan>\u003Cspan class=\"\">。\u003C\u002Fspan>\u003C\u002Fp>\n\u003Ch3>\u003Cspan class=\"\">应用场景\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cspan class=\"\">Model 3007 系列适用于多种辐射监测场景，包括但不限于：\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">核设施与核工业\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：日常工作场所的中子辐射监测\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">核医学与科研机构\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：放射性药物操作及实验环境的中子剂量测量\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">边境安全与国土防护\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：放射性材料的查验与筛查\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">应急响应\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：辐射事故现场的快速剂量评估\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">环境监测\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：户外环境中子辐射水平的常规巡检\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Ch3>\u003Cspan class=\"\">技术规格\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\">\n\u003Cdiv class=\"ds-scroll-area__gutters\">\n\u003Cdiv class=\"ds-scroll-area__horizontal-gutter\"> \u003C\u002Fdiv>\n\u003Cdiv class=\"ds-scroll-area__vertical-gutter\"> \u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003Cspan class=\"\">项目\u003C\u002Fspan>\u003C\u002Fth>\n\u003Cth>\u003Cspan class=\"\">参数\u003C\u002Fspan>\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">尺寸\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">41.1 x 23.1 x 25.1 cm（H x W x L）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">重量（含电池）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">8.3 kg\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">防护等级\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">NEMA 3x \u002F IP53\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">电池\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">4 节 AA 碱性电池\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">电池寿命\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">约 750 小时\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cspan class=\"\">工作温度\u003C\u002Fspan>\u003C\u002Ftd>\n\u003Ctd>\u003Cspan class=\"\">-20°C 至 50°C（可**扩展至 -40°C 至 65°C）\u003C\u002Fspan>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003C\u002Fdiv>\n\u003Ch3>\u003Cspan class=\"\">可选配件与扩展功能\u003C\u002Fspan>\u003C\u002Fh3>\n\u003Cul>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">数据记录功能\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：配合 Lumic 数据记录套件，可通过手柄上的 LOG 按钮在任何操作模式下进行数据记录，内部最多可存储 1000 个数据点\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">Lumic 校准套件\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：可通过前面板控件或 Lumic 软件完成仪器设置\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">音频输出\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：可选配 1\u002F8 英寸立体声耳机插孔\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">RS232 串行输出\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：可选配连接 PC 或其他电子设备\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">辅助通信功能\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：通过标准串行接口，可连接多种外部设备以扩展仪器功能\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003Cli>\n\u003Cp class=\"ds-markdown-paragraph\">\u003Cstrong>\u003Cspan class=\"\">独立电池仓设计\u003C\u002Fspan>\u003C\u002Fstrong>\u003Cspan class=\"\">：便于更换电池，同时减少对内部电子元件的干扰\u003C\u002Fspan>\u003C\u002Fp>\n\u003C\u002Fli>\n\u003C\u002Ful>","[{\"name\":\"m3007.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F14\u002Fb86c30a9-a5ec-407e-9906-7e22e28020e2.png\",\"size\":368969,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2026\u002F05\u002F14\u002Fb86c30a9-a5ec-407e-9906-7e22e28020e2.png\",\"url\":\"image\u002F2026\u002F05\u002F14\u002Fb86c30a9-a5ec-407e-9906-7e22e28020e2.png\"}]",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":198,"siteId":6,"slug":206,"name":207,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},"20241","ludlums",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":68,"siteId":6,"parentId":6,"ancestors":6,"slug":79,"name":80,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":64,"createTime":65,"updateBy":64,"updateTime":66,"remark":6,"id":67,"siteId":7,"sourceId":6,"categoryId":68,"brandId":69,"slug":70,"name":71,"code":4,"model":72,"subtitle":6,"description":73,"images":74,"files":6,"attributes":6,"price":6,"currency":6,"isHot":7,"status":13,"sort":13,"seoTitle":6,"seoDescription":6,"seoKeywords":6,"brand":210,"category":211},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":69,"siteId":6,"slug":76,"name":77,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":68,"siteId":6,"parentId":6,"ancestors":6,"slug":79,"name":80,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":64,"createTime":213,"updateBy":64,"updateTime":214,"remark":6,"id":215,"siteId":7,"sourceId":6,"categoryId":68,"brandId":198,"slug":216,"name":217,"code":4,"model":218,"subtitle":6,"description":219,"images":220,"files":6,"attributes":6,"price":6,"currency":6,"isHot":7,"status":13,"sort":13,"seoTitle":6,"seoDescription":6,"seoKeywords":6,"brand":221,"category":222},"2025-10-22 11:48:35","2026-05-17 17:54:17",148292,"148292","ludlums Model 15 中子剂量测量仪","Model 15","\u003Ch3>Features\u003C\u002Fh3>\n\u003Cul class=\"features\">\n\u003Cli>Neutron Detector with Removable Moderator\u003C\u002Fli>\n\u003Cli>Alpha-Beta-Gamma GM Detector\u003C\u002Fli>\n\u003Cli>Rugged\u003C\u002Fli>\n\u003Cli>4-Range Analog Ratemeter\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Chr>\n\u003Cp>The Ludlum Model 15 detects and measures alphas, betas, gammas, and neutrons. A GM detector can be selected by the user to obtain alpha-beta-gamma readings. The neutron count rate measurement is provided by a \u003Csup>3\u003C\u002Fsup>He proportional detector that is outfitted with a removable moderator.\u003C\u002Fp>\n\u003Cp>The ratemeter is a four-decade, analog meter designed with a cast aluminum instrument housing, incorporating a separate battery compartment and accompanying metal handle. This design delivers industrial robustness and quality, promoting long-lasting protection and instrument life. The front-panel controls include a rotary switch for selecting the four-decade range, instrument shut-off, and battery test; an audio on\u002Foff switch; a fast\u002Fslow response switch; a GM\u002FNeutron Detector switch; a count reset; and high-voltage test pushbutton. The Model 15 is a complete turn-key system and includes two \"D\" cell batteries.\u003C\u002Fp>\n\u003Ctable class=\"table table-bordered\">\n\u003Ctbody>\n\u003Ctr>\n\u003Cth>Indicated Use\u003C\u002Fth>\n\u003Ctd>Alpha, beta, gamma, neutron detection\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Neutron Detector\u003Cbr>(Model 42-14H)\u003C\u002Fth>\n\u003Ctd>\u003Cstrong>Detector Type:\u003C\u002Fstrong> 2 atm \u003Csup>3\u003C\u002Fsup>He proportional detector with 7.6 cm (3 in.) diameter, cadmium-lined (removable) moderator for thermal neutrons\u003Cbr>\u003Cstrong>Sensitivity (bare \u003Csup>241\u003C\u002Fsup>AmBe):\u003C\u002Fstrong> 55 cpm per mrem\u002Fhr\u003Cbr>\u003Cstrong>Detection Range:\u003C\u002Fstrong> Thermal to approximately 12 MeV\u003Cbr>\u003Cstrong>Energy Response:\u003C\u002Fstrong> Not linear through energy spectrum (0.025 to 12.0 MeV)\u003Cbr>\u003Cstrong>Gamma Rejection (\u003Csup>137\u003C\u002Fsup>Cs gamma):\u003C\u002Fstrong> < 10 cpm through 10 R\u002Fhr\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Alpha-Beta-Gamma Detector\u003Cbr>(Model 44-7)\u003C\u002Fth>\n\u003Ctd>\u003Cstrong>Detector Type:\u003C\u002Fstrong> Thin end-window GM detector\u003Cbr>\u003Cstrong>Window:\u003C\u002Fstrong> 2.0 ± 0.3 mg\u002Fcm\u003Csup>2\u003C\u002Fsup> mica\u003Cbr>\u003Cstrong>Window Area:\u003C\u002Fstrong> Active: 6.4 cm\u003Csup>2\u003C\u002Fsup> (1 in\u003Csup>2\u003C\u002Fsup>); Open: 5.2 cm\u003Csup>2\u003C\u002Fsup> (0.8 in\u003Csup>2\u003C\u002Fsup>)\u003Cbr>\u003Cstrong>Efficiency (4π): \u003C\u002Fstrong>\u003Csup>14\u003C\u002Fsup>C: 2%, \u003Csup>90\u003C\u002Fsup>Sr\u002F\u003Csup>90\u003C\u002Fsup>Y: 10%, \u003Csup>99\u003C\u002Fsup>Tc: 7%, \u003Csup>239\u003C\u002Fsup>Pu: 7%\u003Cbr>\u003Cstrong>Sensitivity (\u003Csup>137\u003C\u002Fsup>Cs gamma):\u003C\u002Fstrong> Typically 2100 cpm per mR\u002Fhr \u003Cbr>\u003Cstrong>Energy Response:\u003C\u002Fstrong> Energy dependent\u003Cbr>\u003Cstrong>Background:\u003C\u002Fstrong> Approximately 40 cpm\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Instrument Range\u003C\u002Fth>\n\u003Ctd>0 to 500,000 cpm\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Linearity\u003C\u002Fth>\n\u003Ctd>± 10% of true value\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Meter Dial\u003C\u002Fth>\n\u003Ctd>0 - 500 cpm, 0 - 2.5 kV, BAT TEST\u003Cbr>(Meter Faces tab lists other available meter faces)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Meter\u003C\u002Fth>\n\u003Ctd>6.4 cm (2.5 in.) arc, pivot-and-jewel suspension\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Controls\u003C\u002Fth>\n\u003Ctd>\n\u003Cul>\n\u003Cli>\u003Cstrong>Multi-Selector Switch:\u003C\u002Fstrong> Range multiplers (x1, x10, x100, x1000), Battery Check, Off\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Audio:\u003C\u002Fstrong> On\u002FOff switch\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Response Time:\u003C\u002Fstrong> Pushbutton to zero meter\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Detector Switch:\u003C\u002Fstrong> For displaying either the alpha-beta-gamma detector or neutron detector count rate\u003C\u002Fli>\n\u003Cli>\u003Cstrong>High Voltage:\u003C\u002Fstrong> Test pushbutton\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Reset:\u003C\u002Fstrong> Count rate pushbutton\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Audio\u003C\u002Fth>\n\u003Ctd>Built-in unimorph speaker with on\u002Foff switch, greater than 60 dB at 61 cm (2 ft.)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Working Environment\u003C\u002Fth>\n\u003Ctd>Normal working conditions\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Temperature Range\u003C\u002Fth>\n\u003Ctd>-20 to 50 °C (-4 to 122 °F)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Power\u003C\u002Fth>\n\u003Ctd>2 each \"D\" cell batteries, housed in sealed compartment that is externally accessible\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Battery Life\u003C\u002Fth>\n\u003Ctd>Approximately 600 hours with alkaline batteries, can be checked on meter\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Connector\u003C\u002Fth>\n\u003Ctd>Series \"C\"\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Size (H x W x L)\u003C\u002Fth>\n\u003Ctd>31.8 x 8.9 x 21.6 cm (12.5 x 3.5 x 8.5 in.)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Cth>Weight\u003C\u002Fth>\n\u003Ctd>3.7 kg (8.1 lb)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>","[{\"name\":\"m15_a_500px.png\",\"preview\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2025\u002F10\u002F22\u002F33c214a6-635c-4cfc-8994-480c2dfc1efb.png\",\"size\":345291,\"thumbnail\":\"https:\u002F\u002Fzhht-images.oss-cn-beijing.aliyuncs.com\u002Fimage\u002F2025\u002F10\u002F22\u002F33c214a6-635c-4cfc-8994-480c2dfc1efb.png\",\"url\":\"\u002Fimage\u002F2025\u002F10\u002F22\u002F33c214a6-635c-4cfc-8994-480c2dfc1efb.png\"}]",{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":198,"siteId":6,"slug":206,"name":207,"country":6,"images":6,"files":6,"subtitle":6,"description":6,"status":6,"isHot":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},{"createBy":6,"createTime":6,"updateBy":6,"updateTime":6,"remark":6,"id":68,"siteId":6,"parentId":6,"ancestors":6,"slug":79,"name":80,"images":6,"files":6,"subtitle":6,"isHot":6,"status":6,"sort":6,"seoTitle":6,"seoDescription":6,"seoKeywords":6},200,"查询成功",{"msg":226,"code":223,"data":227},"操作成功",[228,234,240,246,252,258,264,269,275,277,285,291,297,305,312,317,325,332,339,346,353,360,367,373,380,386,393,399,404,410,415,421,426,432,436,442,448,454,461,468,474,481,487,495,500,505,511,517,522,528,535,541,547,551,555,560,565,570,574,579,584,589,594,600,605,610,615,620,625,629,634,639,644,649,654,659,663,668,672,677,682,687,691,696,701,706,712,717,722,726,731,736,741,746,752,757,762,767,772,777,782,787,792,797,801,806,811,815,820,825,830,835,839,844,851,856,860,864,869,874,879,884,889,897,902,908,912],{"createBy":4,"createTime":229,"updateBy":4,"updateTime":6,"remark":6,"id":230,"siteId":7,"parentId":231,"ancestors":6,"slug":232,"name":233,"images":6,"files":6,"subtitle":6,"isHot":7,"status":13,"sort":13,"seoTitle":6,"seoDescription":6,"seoKeywords":6},"2024-04-30 16:57:40",256,183,"256","重量检测",{"createBy":4,"createTime":235,"updateBy":4,"updateTime":6,"remark":6,"id":236,"siteId":7,"parentId":237,"ancestors":6,"slug":238,"name":239,"images":6,"files":6,"subtitle":6,"isHot":7,"status":13,"sort":13,"seoTitle":6,"seoDescription":6,"seoKeywords":6},"2024-05-10 15:50:55",257,133,"257","胶带",{"createBy":4,"createTime":241,"updateBy":4,"updateTime":6,"remark":6,"id":242,"siteId":7,"parentId":243,"ancestors":6,"slug":244,"name":245,"images":6,"files":6,"subtitle":6,"isHot":7,"status":13,"sort":13,"seoTitle":6,"seoDescription":6,"seoKeywords":6},"2024-05-10 15:56:45",258,131,"258","手动工具",{"createBy":4,"createTime":247,"updateBy":4,"updateTime":6,"remark":6,"id":248,"siteId":7,"parentId":249,"ancestors":6,"slug":250,"name":251,"images":6,"files":6,"subtitle":6,"isHot":7,"status":13,"sort":13,"seoTitle":6,"seoDescription":6,"seoKeywords":6},"2024-05-10 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