IEC 61746-2:2010Calibration of optical time-domain reflectometers (OTDR) - Part 2: OTDR for multimode fibres 
                280.00 € 
               
               | 
    IEC 61746-1:2009Calibration of optical time-domain reflectometers (OTDR) - Part 1: OTDR for single mode fibres 
                365.00 € 
               
               | 

