Question

which value is measured by Reflectometer?​

Answer 1

Answer:

an optical time domain reflectometer is an opto- electronic instrument used to characterize an opticla fibre

Answer 2

Answer:

A time-domain reflectometer (TDR) is an electronic instrument used to determine the characteristics of electrical lines by observing reflected waveforms. It can be used to characterize and locate faults in metallic cables (for example, twisted pair wire or coaxial cable).