All-IN-ONE Optical Power Meter Description: This portable All-IN-ONE Optical Power Meter is a compact and easy-to-use test tool for fiber optic networks, which is used to measure absolute optical power, as well as to measure the relative loss of optical fibers. Feature: Supports 7 wavelength testing 10 minutes auto off function With LED light 500 data storage Wavelength memory function Support user self-calibration Simple and convenient interface Support sc / fc / st interface Optional number of kilometers:1/10/15/20/30/50mw Application: Telecom service CCTV service Integrated cable construction system Optical research and development tools Optical communication education and laboratory testing Another optical project Specifications: Laser wavelength (nm) (From 800nm ??to 1700nm) InGaAs detector Measurement Range: -50 ~ + 26 dBm Uncertainties ± 5% Calibrated Wavelength (nm) 850,980, 1300,1310,1490,1550, 1625 Resolution (dB) Linear 0.1% or non-linear 0.01dBm Optical