Feature:1. Versatile Tester: This fiber tester is a multifunctional tool that combines OTDR, event reflection, optical power meter, VFL, stable light source, Ethernet cable distance measurement, Ethernet cable tracing, RJ45 Ethernet cable sequencer.2. Wide Testing Range: With the ability to test at wavelengths of 1310nm and 1550nm20nm, this OTDR tester offers a dynamic range of 24dB 22dB and a measurement range from 3 meter to 60km.3. Convenient Data Analysis: Equipped with a USB data interface and analysis software, this OTDR tester allows for further data analysis and processing.4. User Friendly Design: Featuring a 3.5 inch color LCD touch screen, this OTDR tester provides a user friendly interface for intuitive operation and efficient testing.5. Wide Application: This OTDR tester is ideal for evaluating FTTx and access network construction and maintenance, can identify fiber optic break points, measure cable lengths, calculate relative optical power loss.Specification:Item Type: OTDR TesterMaterial: ABSPlug Voltage: 100-240VBattery: Lithium battery x 1 (4000mAh) (built in)Test Wavelength: 1310nm 1550nm 20nmFiber Type: G.652 single mode fiberDynamic Range: 24dB 22dBEvent Blind Spot: 3 meterAttenuation Blind Spot: 8 meterMeasurement Range: 3 meter to 60kmPulse Width: 3ns to 10usDistance Measurement Accuracy: (1m + sampling interval + 0.005% x Test distance)Linearity: 0.2dB/dBSampling Points: 16k to 128kSampling Resolution: 0.05m to 8mReflection Accuracy: 3dBData Storage: Internal: 600 pieces; External: Scalable small memory card (shipped without card)Laser Safety Level: Class IIFile Format: SOR standard file formatOptical Connector: FC UPC (interchangeable SC, ST)Wavelength Range: 800nm to 1700nmOptical Connector: Universal connector FC SC STMeasurement Range: -50dBm to +26dBmUncertainty: 5%Frequency Identification: CW 270 330 1k 2kHzLaser Type: FP LDOutput Wavelength: 1550nm 20nm; 1310nm 1550nm 20nmOutput Power: -5dBmModulation Frequency: 270 330 1k 2kHzStability: CW, 0.5dB/15min (tested after preheating for 15min after startup)Working Wavelength: 650nm 20nmOutput Power: 10mwWorking Mode: CW 1Hz 2HzDisplay: 3.5 inch color LCD screenData Interface: Micro USBBattery Life: Standby time >20 hours; Measurement >12 hoursWorking Temperature: -10 to +50Storage Temperature: -40 to +70Relative Humidity: 0-95% without condensation.Package List:1 x OTDR Tester (Small Memory Card Not Included)1 Pack x Cotton Swab1 x Plug1 x USB Cable1 x Instructions1 x Conversion HeadNote:To reduce the risk of fire or electric shock, do not expose the equipment to thunderstorms or damp environments. To prevent electric shock, do not open the casing and repair must be carried out by qualified personnel.