JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
Which measurement device is the best choice, depends on what and how precise testing is needed; what is the application and the amount of installations. The simplest way of testing is to use a light source and a power meter. For to determine the exact location of an error you will need an Optical Time-Domain Reflectometer, OTDR.
Our customer service is happy to help you and tell you more about our devices: contact us.