The adjustment usually involves a potentiometer or a digital interface that controls the threshold level for signal detection. IFM OBF500 is a switching amplifier for fiber optics, designed for precise detection of objects and materials without physical contact. With its versatility, it offers a range of applications in various industries. It features automatic sensitivity setting for both diffuse reflection and. All information about the OBF500 at a glance. We assist you with your requirements. ✓ Technical data ✓ Mounting and Installation Instructions ✓ CAD drawings ✓ Compatible AccessoriesPage 1 User-Friendly Fiber-Optic Amplifier E3X-NA Solve Your Basic Sensing Challenges Easily with the E3X-NA Series Streamlined features provide basic sensing immediately after plug-in Wire-saving amplifiers reduce installation time and minimize space requirements Master/slave connector design. How do I adjust the sensitivity settings on the Omron E3X-NA11 amplifier? The sensitivity settings on the Omron E3X-NA11 amplifier are adjusted using an 8-turn sensitivity adjuster which includes an indicator. This adjuster is also used for optical axis adjustments during installation.