Although the safety electric eye has good resistance to natural light interference, but at the time of installation to avoid strong direct sunlight direct electric eye head.

安全电眼虽然具有良好的抗自然光干扰能力，但在安装的时候也要尽量的避免强烈的太阳光直接直射电眼头。

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Strong interference rejection for electromagnetic and light.

不存在任何电磁性和光干扰。

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The spark optic fiber sensor has the advantages of high anti-interference ability, low cost, operating reliability and strong light signal is feasible to applied to combustion knocking detection.

火花塞光纤传感器抗干扰好、成本低、工作可靠、光信号强，用于爆震燃烧检测是完全可行的。

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