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消防照明线抗拉性能测试GB 26783-2011

作者：來源：发布日期： 2020.10.16

信息摘要：

消防照明线抗拉性能测试GB 26783-2011

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国标GB 26783-2011 《消防救生照明线》规定了需要对线材的抗拉性能和抗压性能进行测试。
三思泰捷的電子拉力試驗機是其可以信賴的實驗裝備。

根据国标GB 26783-2011 《消防救生照明线》要求：
抗拉性能，要求應能承受不小于300N的拉力，照明線應能正常工作。
線體垂直放置，固定一端，另一端施加300N的拉力，持續時間5min。

抗壓性能，進行抗壓試驗後，線體和發光源應無損壞，照明線可正常工作。
准備兩塊長爲10CM，寬爲5CM，厚度爲5MM的電工絕緣板，然後把照明線線體放在兩塊絕緣板的中間部位，在絕緣板垂直方向上施加700N的壓力，持續時間5min。

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The Curate, of course, had heard nothing about the Clockwork man's other performances; he had scarcely heeded the hints thrown out about the possibility of movement in other dimensions. It seemed to him, in the uncertain light of their surroundings, that the Clockwork man's right arm gradually disappeared into space. There was no arm there at all. Afterwards, he remembered a brief moment when the arm had begun to grow vague and transparent; it was moving very rapidly, in some direction, neither up nor down, nor this way or that, but along some shadowy plane. Then it went into nothing, evaporated from view. And just as suddenly, it swung back into the plane of the curate's vision, and the hand at the end of it grasped a silk hat. Good fitting is often not so much a question of skill as of the standard which a workman has fixed in his mind, and to which all that he does will more or less conform. 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