The Panasonic FD-R31G is a fibre-optic sensor with a 0-170 mm range, IP40 rating, and temperature operating range of -55 to 80 degrees Celsius. The sensor has a 2 metre cable. It is designed to detect a wide range of objects, including metals, wood and plastics. The sensor also features a highly resistant shell and is protected against dust, water and other foreign objects. The sensor's long-life design ensures consistent performance and reliability.