Features ◇ Integrated design ,smart and rugged. ◇ Small and light ,easy to carry. ◇ 1625nm online detection module with filter is available as a option for a online FTTx/PON detection. ◇ Multi-measuring mode, simple to use,finish measurement by just one button. ◇ Realtime measuring function, convenient to monitor the splicing process. ◇ Internal large power visual laser source for accurate positioning the closer fault point. ◇ Internal -5dBm stable laser source. ◇ Warnning function could prevent module of OTDR damaged by optical signal. ◇ Integrated with 2 main USB and one sub USB port, for controlling by PC or connect external instrument. ◇ Support chinese and english input,friendly interface,analog keyboard capable. ◇ Integrated with 8G internal memory. Storage more than 80000 groups curve. ◇ Provide data simulation software to process, generate and print report. ◇ Battery indicate function. ◇ Long working hours for outdoor operation ◇ Visual Fault Locator function ◇ Optical Power meter function ◇ Optical Light Source function ◇ Mutiwavelengths: 1310/1550nm; 850/1300nm; 1310/1550/850/1300nm; 1310/1550/1625nm; 1310/1490/1550nm Applications ◇ Measure the loss of splicing points, optical connectors and adapters. ◇ Measure the loss of single fiber or cable. ◇ Measure the length of cable,set different refactive index for various fibers. ◇ Locate the position of broken point, Optical connector and adapter. ◇ Measure the discrete reflection ratio between SR points. ◇ Measure return loss for whole fiber circuit including connecting points and s points.