Optical system testing instrument Testing instruments FHA2 Series Optical Attenuator Description Grandway provides high precise digital optical attenuator. The FHA2 digital variable optical attenuator is a compact, portable instrument widely used in fiber link certification and routine maintenance as well as in lab environment. Features • Low insertion loss.wide attenuation range • Two attenuation steps are available:ldB, 0.05dB • Reference function • Presetting values to save frequently used values • Suitable for the testing project of optical transmisson system • Able to be applied in test lab & other fiber optical works Standard Accessories 2*FC/PC adapters, 2*SC/PC adapters, 2*rechargeable batteries, AC/DC adapter, 3*ceramic sleeves, carrying bag, user manual, test report Optional Accessories 2*ST adapters (model: N000500); male FC to female LC adapter for LC connector (model: HD078)