SF2011 ( Mini OTDR ) Optical Fiber Ranger By using the method of Optical Time Domain Reflection technology, the SF-2011 Mini OTDR can meets the most demanding test requirements of optical fiber fault location. From the Power-On state, the SF-2011 provides the fastest and easiest solution on the market for determining the fiber length or fault location. Along with handheld and portable design, fully automated, one-button operation makes it the ideal mode for the users. Features: 1,Portable, rugged, lightweight; Easy to use. 2,Built-in visual fault locator (VFL), conveniently to find the faults in dead zone. 3,Long battery life, up to 5000 measurements operation. 4,Automatic Pulse Width Control design to ensure a convenient operation. 5,Testing the distance of the fiber and identify the faults location in the fiber link. 6,Locates reflective and non-reflective breaks in the fiber network. 7,Support USB to transmit the data. Specification: Connector Type: FC/APC FC/PC Light Source: FP laser diode Wavelength:1550nm,1310nm Fiber Type: 9/125um single mode Precision:¡À10m(Reflection point),¡À200m(No reflection point) Minimum dead zone: 10m Max distance: 80km 50km Resolution: 0.001km Display unit: km VFL Wavelength: 650nm Power Out: 1mW Connector Type:Universal Connector Battery Battery Type: 2 AA alkaline battery Continuous operating time(@25¡ãC):>1000times or VFL continuous working 10hours Auto power off: 3min Environmental Operating temp: 0¡ãC to +40¡ãC Storage temp: -20¡ãC to +70¡ãC Humidity: 0 to 95%(no frozen) Physical Dimensions(mm): 157 x 86 x 40 Weight(kg): 0.25.