测量功率或损耗 – EXFO EPM-ELS-50 User Manual
Page 82

测量功率或损耗 (EPM-50)
10
测量功率或损耗
除参考步骤外,测量绝对功率值的方法与功率计和光源相参考一样。
若要执行功率或损耗测量:
1.
根据需要,执行偏移归零 (请参阅电偏移归零 所在页面为 8)。
2.
正确检查和清洁光纤以获得最佳性能 (请参阅清洁和连接光纤 所在页面为 7)。
3.
对于损耗测量,将功率计与光源相参考 (请参阅将功率计与光源相参考 所在页面
为 9),然后禁用光源。
4.
使用正确的适配器和测试跳线,将被测光纤连接到光源 (如 ELS-50)和设备的检
测器端口。
注意:
如果已将功率计与光源相参考,只需将被测光纤连接到用于参考的测试跳
线。
被测光纤
测试跳线
测试跳线
光源
功率计
适配器
穿墙式连接器
穿墙式连接器
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