太阳能光控电焊防护面罩

亮态遮光号： DIN4 暗态遮光号：DIN9~13号 （无级调节） 响应时间：<0.1ms 返回时间：快档0.2s 慢档0.8s 电源：锂电和太阳能电池 工作温度： -5℃～+55℃ 视窗：90x40毫米 紫外线透过率： 313nm≤0.00006% 365nm≤0.000076% 红外线透过率： 780～1300nm≤0.003% 1300～2000nm≤0.009% 重量：430克

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太阳能光控电焊防护面罩

亮态遮光号： DIN4 暗态遮光号：DIN9~13号 （无级调节） 响应时间：

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