80km Fiber Optic Tester Optical Time Domain Reflectometer OTDR Tester Fiber Optic Breakpoint Fault Finder 5V Normal Version Item Type: OTDR Tester Material: ABS Dynamic Range: 20dB Test Range: 100m-80km Wavelength: 1550(±20nm) Optical Interface: SC Battery:Lithium Battery x 1(4800mah)(Shipped With Built In Battery) Pulse Width: 5ns-20μs Measurement Time: 5 seconds to 180 seconds Measurement Mode: Real Time, Average, Auto Fading Blind Zone: 10m Event Blind Area: < three meters Sampling Point: 8000 Input Light Detection: Support Maximum Allowable Power With Light Test:1270nm <10dBm 1310nm <10dBm 1490nm <10dBm 1577nm <10dBm11 Only S5F Models Standard With Intelligent Optical Link Analysis:Yes (Standard On All Models) OPM Power Range: -50-26dBm OPM Response Wavelength: 700nm-1700nm OPM Calibration Wavelength: 850nm,1300nm,1310nm,1490nm1550nm,1625nm OPM Power Uncertainty: ±0.2dB Red Light Source Power:10mW Display: 3.5 Inch Multi Touch Color Screen Data Cable Type: Type C Charging Requirements: Voltage 5V Current 1A Manual Calibration Function: Support LED Flashlight Function: Support Expandable External Storage:U Disk (Temporary Storage) Operating Temperature:0℃-50℃ Storage Temperature:-20℃-70℃ Relative Humidity:<90%