The ANDO AQ6315E covers 350nm to 1750nm and supports single-pass/double-pass monochromator mode select. In the double-pass monochromator mode dynamic range is improved to -90dBm. In the single-pass monochromator mode, it supports the same wide range of applications as previous models. Diverse analysis functions for DWDM and other optical devices (LD, LED, FBG, etc).