Legacy Fiberoptics offers full service fiber optic test equipment calibration for OTDRs, Dispersion Testers, Loss Test Sets and other optical test equipment. From manufacturing floors to research labs, our optical calibration services guarantee that your instruments, whether for fiber optics, photometry, or dimensional inspection, deliver. FIS Calibration and Verification services ensure your fiber optic test equipment remains accurate. It is recommended practice to keep fiber optic test equipment calibrated in measurement to ensure fast troubleshooting when locating network failures or when providing optical attenuation or optical. A fiber optic source is a fiber light tester commonly used with a meter to measure optical fiber attenuation or insertion loss. A handheld light source can also be used as a tone generator for use with a clip-on identifier, or power meter test tone detector. Our accredited calibration. We provide absolute power reference, high power measurement, power meter linearity, and more! All of our calibrations include verification of measurement accuracy to OEM specifications, NIST traceability, Calibration certificate, Measurement results, and any adjustments wherever applicable.