O8 Series Miniature Photoelectric Sensors ifm electronic O8 series miniature photoelectric sensors for applications where space is at a premium, such as assembly and robotics. The O8 series sensors feature a compact but can achieve very long detection ranges. Background suppression is extremely reliable and precise, even for the detection of very small, flat or reflective objects. Features and Benefits Up to 3 m detection range Precise, colour-independent 80 mm background suppression Reliable detection of dark or shiny surfaces IO-Link communication Visible red light IP65 rated Reverse polarity and overload protection