Technical Specifications: Mini-Pro OTDR Wavelength: 1310nm/1550nm±20nm Fiber Type: G.652 Dynamic Range: 24dB/22dB Event Blind Zone: 3m ATT Blind Zone: 8m Test Range: 5m~60km Pulse Width: 3ns~10us Ranging accuracy: ±(1m+ Sampling interval +0.005％×Test distance) Loss accuracy: ±0.05dB/dB Sampling Points: 16k~128k Sampling resolution: 0.05m~8m Reflection accuracy: ±3dB Data Storage: Internal：≥600；External：TF Card Laser Safety Level: Class Ⅱ File format: SOR Standard file format Connector: FC/UPC（Interchangeable SC、ST） OPM Wave Range: 800nm~1700nm Interface Type: Universal Joint FC/SC/ST Test Range: -50dBm～+26dBm Uncertainty: ±5% Frequency Identification: CW/270/330/1k/2kHz Calibration wavelength: 850/980/1300/1310/1490/1550/1625/1650nm OLS LD Type:FP-LD Wavelength:1310nm/1550nm±20nm Output Power: ≥-5dBm Modulation Frequency: 270/330/1k/2kHz Stability: CW，±0.5dB/15min (Test after 15 minutes of preheating) Connector: FC/UPC（Interchangeable SC、ST） VFL Wavelength: 650nm±20nm Output Power: ≥10mW Mode: CW/1Hz/2Hz Connector: FC/SC/ST RJ45 Cable Length Measurement Test Range: 300m Other Parameters: Display: 3.5 inch Color LCD Data Interface: Micro USB External storage: TF Card Power SupplyPolymer Li-Battery：3.7V，4000mAh Adapter：5VDC，2A Battery Life: Standby＞20h；Measuring time＞12h Operating Temperature:-10℃～+50℃ Storage Temperature: -40℃～+70℃ Relative Humidity: 0～95％Non Condensing Size:173mm×82mm×37mm