The Panasonic FD-L20H is a diffuse reflective fibre-optic sensor with a sensing range of 0 - 32mm. It is designed to detect and measure all types of opaque objects, liquids and transparent objects, with an adjustable operating mode. The device features a highly reliable optical system to provide accurate and stable light/object detection, a durable stainless-steel construction to protect against harsh environments, and a wide supply voltage range of 5 - 24V DC to support various types of system applications. Additionally, communication can be achieved with various communication protocols, such as IO-Link and analogue voltage.