81623-90B12 elsewhere in this manual violates safety standards of design, manufacture, and Before operation, review the instrument and manual for safety. Agilent. 81632A. 81635A. 81633A. 81634A. Power Sensor Modules. (InGaAs). (InGaAs) dual 8163A Lightwave Multimeter. Selected Specifications1). Agilent. 81623A. 81624A. 81625A Programming guide P/N 08164-91016. 1) For full This listing is for 1 each Agilent / HP 81618A / 81619A Optical Head Interface Modules & 81623A / 81624A / 81625A Optical Heads User's Guide Part NumberAll optical heads have to be operated with the single: (Agilent. 816 18A) Agilent 81 6104/94 and Agilent 81623A/4/5A/5B User's Guide, Second Edition. Agitomt 81623A Agilent 818244 Agilent 81625A Agilaat 016258. Ge, 05 mm Agilent 816184/94 and Agilent 1623A/44/54/58 User's Guide, Second Edition. 1.9 The Agilent 81623A is a 5mm Germanium optical head that connects to the 81618A or 81619A interface plug-in module that fit the 8163, 8164 and 8166 keysight Agilent HP 81623A Optical Head 81623A TSM98 Agilent HP 81623A Optical Head 81521B 81524A 81525A 81624A 81624B 81625A 81625B 81626B The Agilent 81623A optical heads are specially designed for low PDL , low spectral ripple and high return loss and are used for optical component tests. Agilent 81618A/9A Optical Head Interface Modules and Agilent 81623A/4A/5A/5B Optical Heads. User's Guide. Agilent Technologies 81623A Ge Optical Head, 5mm Diameter Technical Support manuals, drivers, application notes, firmware, software, Repair & Calibration Services.