The TTI FTE-7500 OTDR is fast, easy to use, affordable and rugged. This OTDR boasts all the features and more that are expected 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. Just use the Auto Test button to get started. The standard models of the FTE-7500 are 850/1300 MM, 1310/1550 SM and quad (850/1300/1310/1550) wavelengths. However, the FTE7500 is flexible to meet many needs of the industry. The TTI FTE-7500 weighs in at less then 2.0 pounds with a hardened water resistant enclosure, this OTDR is great for all conditions. The rubber boot with bail will add protection and provides the ideal angle for viewing the display while operating on a work bench. The OTDRs abundant dynamic Range and a 2 meter dead zone, makes it ideal for links up to 240km as well as being perfect for short LAN links within the facility.