•易于操作模式,自动跟踪诊断,一键设置和事件检测;•距离、衰减、反射率和剪接损耗的标记;•动态范围高达45dB;•事件死区小于0.6m (III型);•衰减死区小于4m (III型);•采样点高达25.6万(II型和III型);•sr - 4731。琼文件格式;•支持VFL;•支持iOTA(可选,仅针对III型); • Support power meter (Optional, +10 to -60 dBm); • Support light source (Optional, Use OTDR port, 1310nm/1550nm, >-4dBm); • Support 400X fiber optic microscope(Optional); • Remote measurement via RJ45 connection using AITELONG OTDR Desktop software.