Additional Features: 600nm to 1700nm Built-in test applications 10 pm wavelength accuracy Fast dual-sweep method Covers S, C, and L wavelength bands The Keysight Agilent HP 86142B benchtop Optical Spectrum Analyzer (OSA) is best suited for WDM component and system test applications where power and wavelength accuracy, dynamic range and low polarization dependency are critical. The high performance capability combined with the advanced feature set and on-board measurement applications of the Keysight Agilent HP 86142B enables you to make highly accurate measurements quickly and easily. These advanced features have been tailored towards increasing your product yields, maximizing manufacturing capacity and minimizing costs. The onboard measurement applications have been designed for ease of use requiring minimal training while retaining flexibility to customize measurements for individual needs. This model features built-in test applications, 10 pm wavelength accuracy, fast dual-sweep method, and S, C, and L wavelength band coverage.