The PRO-4 Series OTDR boasts all the features that are truly needed in a hand-held OTDR.

It has a short dead zone, bright 4 color display and with an onboard context sensitive help system the OTDR has a minimal learning curve for all users.

The 1/2 second trace updates and great dynamic range make this unit perfect for maintenance and trouble shooting.

The PRO-4 Series is sold in a variety of configurations and is standard in dual single mode, dual multimode and quad wavelength configurations