The FTTx Wide Band VFL Meter, OT-2000-V, is a powerful optical measuring tool which can be used in various optical fiber systems and applications, especially in FTTx field installation and maintenance. With 850, 1310, 1490, 1550 nm calibration wavelength, it is ideal for both single mode and multimode fiber field installation and maintenance. The additional 650nm light source makes for a convenient, easy to use yet powerful device to check for broken fibers as well.