High stable four wavelength optical laser output,the Optical Laser Source is an advanced Optical Laser Sources, with two more calibrated wavelengths.
The series Laser source are advanced version of DLS series Laser Source, with better features and more functions.
The Multimeter combines a power meter with a 2-wavelength laser source,for optical fiber network installation and maintenance. With the large capacity of data storage,it's very convenient for field testing and transfering the test results to PC through USB interface.