Below you will find brief information for AQ6370D, AQ6370D-01, AQ6370D-02, AQ6370D-12, AQ6370D-22, AQ6370D-10, AQ6370D-20, AQ6370C, AQ6373, AQ6373B Optical Spectrum Analyzers. This manual provides comprehensive details on the AQ6370D's functions, operating procedures, and. This document describes the specifications of the limited model of the AQ6370D (SUFFIX -01, -02). 5 s (HIGH1), 20 s (HIGH2), 75 s (HIGH3) Typ. 35 dB (with angled-PC connector) For optical input, AQ9447(*) connector adapter (option) required. For wavelength reference light source output, AQ9441(*). Page 1 User's Manual AQ6370D Optical Spectrum Analyzer IM AQ6370D-01EN 5th Edition. Product Registration Thank you for purchasing YOKOGAWA products. YOKOGAWA provides registered users with a variety of information and services. They satisfy measurement needs of a wide range of R&D and industrial manufacturing applications with a product lineup of five models covering the broad wavelength range from. Yokogawa's AQ6370 OSA Series can satisfy the specific test and measurement needs of R&D and manufacturing centers belonging to any Industry. It covers a wide wavelength range from 600nm to 1700nm.