... easy-to-use testing instruments for optical fi Optical power meter RNO3035RNO3035 optical power meters is compact, lightweight and ... Laser Sources, can be used to identify optical fiber, measure optical attenuation, verify continuity and evaluate fiber link ... shock proof designAuto off function conserving battery lifeTechnical Specifications: Model RNO3035Calibrated Wavelength (nm)850,1300,1310,1490 ...