Feature: 1. MULTIPLE FUNCTIONS: Intelligent optical fiber communication measuring instrument, with optical fiber communication measurement, network line sequence, optical power meter, stable light source, VFL, RJ11 line hunting and other diversified functions 2. APPLICABLE SCENARIO: High performance optical power meter is used for signal power test and insertion loss test of all kinds of equipment and optoelectronic components 3. ACCURATE MEASUREMENT: Can accurately determine the location of the optical fiber fault point, and detect the bare optical fiber, optical fiber jumper and other optical fibers that can leak red light, the near end fault point of the optical cable and the high loss section caused by micro bending 4. EASY TO READ: Clear OTDR test interface, fiber and cable loss distribution curve, fiber distance, loss, attenuation at a glance, easy for you to read 5. VERSATILE FUNCTIONALITY: OTDR support various measurements including optical fiber distance, optical fiber attenuation, red light breakpoint attenuation testing, and more. Suitable for single mode fiber with a 1310nm central wavelength Specification: Item Type: Optical Time Domain Reflectometer Central Wavelength: 1310nm Applicable Fiber Type: Single mode Minimum Event Blind Area: 10m(single mode) Dynamic Range: 22dB Measuring Range: 0.2, 0.5, 1, 2, 4, 8, 16, 32, 64km Measuring Pulse Width: 3ns, 5ns, 10ns, 30ns, 50ns, 80ns, 160ns, 320ns, 500ns, 1us, 5us, 10us Sample Number: 64,000 Waveform Data Storage Capacity: 500 Pieces Refractive Index Setting Range: 1.00000~1.99999 Optical Cable Correction Coefficient Range: 0.80000~1.0000 RJ45 Sequence: Test the sequence of the network cable and is used with the cable alignment machine Optical Power Meter Measuring Range: -50dBm to +26dBm VFL Output Power: >10mW RJ11 Hunting: The RJ11 interface emit an electrical signal for use with the detector LCD Display: 320x480, 3.5in color LCD Interface: Micro USB, small memory card(not include) Power Supply: AC DC Adapter: Input Voltage Range: 100V~240V(1.5A), frequency allowed Range: 50/60Hz Output: DC 5V 1A Interface Language: Simplified Chinese or English Environmental Adaptability: Storage Temperature: -40℃ to 70℃ Relative Humidity: 5%-95%, no condensation Product Size: Approx. 173 x 82 x 36mm / 6.81 x 3.23 x 1.42in External Storage Type: Small memory card(not include) Host Battery: 1 x Internal lithium battery, 3.7V 4000mA(built in), Battery Working Time: 10 Hours(room temperature) Line Finder Battery: 1 x 9V 6F22 battery(not include). Package List: 1 x Optical Time Domain Reflectometer 2 x Connecting Cables 1 x Crocodile Clip Line 1 x Earphones 1 x USB Cable 1 x Plug 6 x Accessories 1 x Wire Stripper 1 x Cable Locator 1 x Carrying Case 1 x Portable Strap 1 x User Manual