Feature: 1. MAIN FUNCTIONS: Used to evaluate FTTx and access network construction and maintenance, identify fiber breakpoints, measure fiber length, calculate relative optical power loss 2. MULTIPLE OPERATION MODES: Support two operation modes of touch screen and button, one button to achieve measurement 3. MULTIPLE FUNCTIONS: With line optical alarm function, the maximum protection of instrument optical module; Real time test function, convenient observation of real time optical fiber docking effect 4. LIGHT SOURCE AND INPUT: Built in high power red light source, which can easily detect the fault points in the near optical fiber line with the naked eye; Support Chinese and English input, with a friendly input interface, completely simulate computer keyboard input 5. MEMORY AND SCREEN: Comes with 2GB memory, can store more than 20000 curves; 5.6in touch LCD screen, 4.4Ah large capacity lithium battery 6. SOFTWARE AND INTERFACE: PC data analysis and simulation software is configured to batch process, generate and print test reports; Equipped with two main USB ports for computer simulation control and external devices 7. WIDELY USED: Widely used in metropolitan area network, wide area network, CATV, local area network communication system of optical fiber and cable construction, maintenance, detection, positioning Specification: Item Type: OTDR Optical Time Domain Reflectometer Model Number: TMO300 Material: ABS Pulse Width: (SM 1310/1550NM) 5ns, 10ns, 20ns, 50ns, 100ns, 500ns, 1µs, 2μs, 5μs, 10µs Distance Range: (SM 1310/1550NM) Dead zone test, 1.3km, 2.5 km, 5.0km, 10km, 20km, 40km, 80km, 120 km Sampling Resolution: Minimum 0.05m Sampling Point: 128,000 Points Linearity: ≤0.05dB/dB Loss Threshold: 0.01dB Loss Resolution: 0.001dB Distance Resolution: 0.01m Distance Accuracy: ±(1m + test distance x 3 x 10 - 5 + sampling resolution)(excluding refractive index error) Data Storage: More than 80,000 test curves Red Light Source: 10mW, CW/2Hz Interface: 3 x USB ports(2 x Type A, 1 x Type B) Monitor: 5.6in touch screen Battery: 7.4V/4.4Ah lithium battery, can be used continuously for 8 hours(capacity 4400mah) Color: Blue. Package List: 1 x Host1 x User Manual1 x Rope1 x Optical Disc1 x USB Cable2 x Adapter(SC x 1 is installed on the machine, FC x 1 is outside)1 Bag x Cotton Swab 1 x Power Adapter1 x Stylus1 x Storage Bag