This OTDR is ideally suited for fiber optic repair and maintenance applications as well as new installations. The tri-wavelength model, which can test fiber optic systems at 1490nm, can be used for testing Fiber to the Home. Although very compact, this is a full-featured Fiber Optic OTDR. You can view and store up to 255 traces in the field, then download traces to a personal computer for further analysis and printing of your certifying documents. Our Fiber Optic Mini-OTDR is a full-function Certifying OTDR when used with Certification Software. This Fiber Optic Mini OTDR is very fast, producing a trace within one second of pressing the scan button. Among its many features is an easy-to-use Zoom that enables the user to observe the entire fiber optic link, or zoom in on defects. Also, a CE approved version is available, as well as a 220V model. In addition to testing and analyzing fiber optic systems, this Hand Held Mini-OTDR is a great tool for optimizing Quick-Connect Connectors and Mechanical Splices.