High Temperature Fiber Optic Cable Through Beam Sensing Method Cable Length 6 9/16 ft Max Sensing Distance 500 mm Min Object Size 0.100mm dia Sheath Fluoride Resin Fiber Material Core Polymethyl Methacrylate Temp Range -40 Degrees to 302 Degrees F Cable Dia 2 mm Tip Type M4 Screw Standards IEC Approval UL Listed