Optotest Single Optical Channel Return Loss and Insertion Loss Tester

OP940 is an Insertion Loss (IL) and Return Loss (RL) meter designed for speed, accuracy and simplicity. It performs fastest RL measurements without using mandrels or index matching gel. Wide dynamic range provides most accurate RL results. OP940 is available with SM, MM and FTTX wavelengths and a variety of core sizes and detector options to meet your needs.