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21:38:35","2026-05-26 21:38:34",151346,1072,"151346","PTC 239 口袋显微镜 6倍放大","PTC Model 239是一款高品质精密Ramsden手持放大镜，提供6倍低倍率放大，具备出色的光学性能，视野平坦，结构坚固轻巧，适用于各种精密检测工作。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>PTC Model 239 是一款高品质、高精度的 \u003Cstrong>Ramsden 手持放大镜\u003C\u002Fstrong>。该低倍率（6X）仪器具备出色的光学性能：视野完全平坦，直径达 \u003Cstrong>3\u002F4英寸（19 mm）\u003C\u002Fstrong>；采用双元件 Ramsden 放大镜片设计；眼睛与被检物体之间的距离较大，可达 \u003Cstrong>3英寸（76 mm）\u003C\u002Fstrong>，便于操作。\u003C\u002Fp>\u003Cp>Model 239 结构坚固且重量轻，表面采用耐用的\u003Cstrong>黑色阳极氧化处理\u003C\u002Fstrong>。随仪器附赠便携收纳盒。\u003C\u002Fp>\u003Ch3>产品规格\u003C\u002Fh3>\u003Cul>\u003Cli>放大倍率：\u003Cstrong>6X\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>视野直径：\u003Cstrong>3\u002F4 英寸（19 mm）\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>尺寸：长度 2-3\u002F16 英寸（5.6 cm），直径 1 英寸（2.5 cm）\u003C\u002Fli>\u003Cli>重量：\u003Cstrong>1 盎司（28 g）\u003C\u002Fstrong>\u003C\u002Fli>\u003Cli>运输重量：1 磅（454 g）\u003C\u002Fli>\u003Cli>平坦视野直径：3\u002F4 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21:38:09",151345,1071,"151345","PTC 674F 微型点检表面温度计 0°至250°F","674F","PTC 674F微型点检表面温度计，直径仅3\u002F4英寸，高度3\u002F8英寸，重量仅0.2盎司（5克），测量范围0°至250°F，体积小巧，适用于狭小空间的表面温度快速检测。","\u003Ch3>PTC 674F 微型点检表面温度计\u003C\u002Fh3>\u003Cp>PTC 674F是一款超小型表面温度计，专为狭小空间的温度快速点检而设计。其测量范围为\u003Cstrong>0°至250°F\u003C\u002Fstrong>，体积小巧，操作便捷，适合各种工业场景使用。\u003C\u002Fp>\u003Cbr>\u003Cimg alt=\"\" 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21:37:48",151344,1070,"151344","PTC 232B 工业显微镜 20X\u002F40X","232B","PTC 232B 通用工业显微镜，提供20X或40X放大倍率，配备优质光学系统和齿条齿轮调焦机构，附带Maglite Solitaire手电筒照明，适用于工业检测与精密测量。","\u003Ch3>产品概述\u003C\u002Fh3>\u003Cp>PTC 232B 及 232B-Metric 是通用型工业显微镜，提供\u003Cstrong>20X\u003C\u002Fstrong>或\u003Cstrong>40X\u003C\u002Fstrong>放大倍率选择。优质光学系统提供平坦视野，便于使用测量标线片进行精确观测。\u003C\u002Fp>\u003Ch3>产品特点\u003C\u002Fh3>\u003Cul>\u003Cli>优质光学系统，提供平坦视野，适用于测量标线片\u003C\u002Fli>\u003Cli>齿条齿轮（Rack and Pinion）调焦设计，调焦快速便捷\u003C\u002Fli>\u003Cli>配备 Maglite Solitaire 手电筒提供照明\u003C\u002Fli>\u003Cli>手电筒使用一节标准 AAA 电池\u003C\u002Fli>\u003C\u002Ful>\u003Ch3>光学参数\u003C\u002Fh3>\u003Cp>\u003Cstrong>20X 放大倍率：\u003C\u002Fstrong>\u003C\u002Fp>\u003Cul>\u003Cli>视野直径：9\u002F32\"（7 mm）\u003C\u002Fli>\u003Cli>工作距离：15\u002F16\"（24 mm）\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003Cstrong>40X 放大倍率：\u003C\u002Fstrong>\u003C\u002Fp>\u003Cul>\u003Cli>视野直径：9\u002F64\"（3.6 mm）\u003C\u002Fli>\u003Cli>工作距离：25\u002F32\"（20 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