FHOM-103-1 handheld Optical Multimeter is a 3-in-1 optical multimeter with a data export function that integrates the functions of an intelligent optical power meter module, laser light source, and fault locator in one device. It can perform closed-loop tests by using both modules and can also work individually, what's more, it can be used to measure the optical fiber link light power loss and provide the reference for laser source and variable attenuator.FHOM-103-1 provides a choice of greater convenience and more advantages for users.