Installation Information MEMO 67 Fiber Sensor Features Selection Guide Fiber Units Threaded Standard Installation Hex-shaped Cylindrical Flat Saving Space Sleeved Small Spot Beam Improvements High Power Narrow view BGS Retro- reflective Transparent Objects Limited- reflective Chemical- resistant, Oil-resistant Environmental Immunity Bending Heat- resistant Area Detection Applications Liquid-level Vacuum FPD, Semi, Solar Installation Information Fiber Amplifiers, Communications Unit, and Accessories Technical Guide and Precautions Model Index 67