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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
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监控的摄像机和硬盘录像机*信号和电源最好共地。所以尽量不要在前端做防雷接地,而是尽可能避免前端摄像机,云台和支架接地(很多不明现象的干扰都是某个前端设备不小心接地造成的)。对于安防设备来说,等电位比防雷重要的多。主机端的电源防雷是有必要的。安防设备的前端防雷器作用更多的是断开该设备以免更多的设备受害,而不是将电流引入地下。
这个肯定是有用的啊
您好,很高兴为您解忧。主机端的电源防雷是有必要的。安防设备的前端防雷器作用更多的是断开该设备以免更多的设备受害,而不是将电流引入地下。希望我的回答对您有所帮助,谢谢。
监控防雷器是浪涌保护器的一种,主要是针对监控系统所选用的防雷产品,用于*信号线路的雷电(过电压)防护,如摄像机、*监控器、光端机、显示器、有线电视、家用电视等。是内部防雷中应用较多的一种产品。
还是有用的,你可以上网查查具体的用途等等,如果想买的话,也可以上网看看价格,评价等等,还可以去实体店里看看