Official manufacturer reference image of the exact Yokogawa AQ6150. Display examples and visible hardware do not establish the installed options or condition of the offered unit.
Manufacturer series reference image from Ceyear's English datasheet, showing a 3674L four-port member of the 3674 Series. Original bilingual physical warning covers are preserved. The photograph does not specify the inventory configuration.
Official Agilent 86142B optical spectrum analyzer reference. The 86142B label is legible. The photographed source and calibrator ports do not establish optional sources, wavelength calibrator, or E02 interface on the offered analyzer.