SX503 Optical Power Meter Quick response,universal connector , Wavelength:850,1300,1310,1490,1550,1625nm Dear, Thanks for ... and widely dynamic range, good testing precision and universal optical connector for FC/SC/ST. Features:1. High sensitivity, large ... dynamic range2. universal connector interface: FC/SC/ST-LC/MU.3. Quick response, without warm-up and reduce testing ...