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陶瓷電加熱管
陶瓷電加熱管

陶瓷電加熱管組成:

     1.基體:由陶瓷材料組成;

     2.發(fā)熱性:由鎳鉻合金絲燒制而成;

陶瓷電加熱管參數:

     1.輻射特性:元件的最高單色輻射率達0.9,法向全輻射率大于0.83。

     2.熱響應時(shí)間:從室溫升至輻射板表面溫度恒定值時(shí)間不超過(guò)20分鐘。
     3.耐冷熱交變性:五次冷熱交變試驗后無(wú)剝落、無(wú)開(kāi)裂。
     4.輻射面溫度不均勻度:≤15%
     5.功率誤差:在額定工作電壓下≤5%

     6.冷態(tài)絕緣電阻:500V兆歐表>2mΩ

     7.熱態(tài)絕緣電阻:500V兆歐表>0.5mΩ


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