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海康安防计算器
包含计算录像容量、NVR通道计算、摄像机焦距和带宽计算的功能模块；
通过海康安防计算器可实现：计算编码设备的录像容量，选择合适的存储设备；计算网络硬盘录像机可接入的网络摄像机个数；算摄像机的焦距数值；根据不同参数，计算所需的网络带宽数值等。
在线工具地址如下：
https://h5proxy.hikvision.com/jf/videocal/index.html?from=timeline&isappinstalled=0#/?show=1