121-2732, SICK, SICK Fibre Optic Sensor 170 → 400 (WLL170-2) mm, 350 → 4000 (WLL180T) mm, Brand Sick, Detection Range 170 → 400 (WLL170-2) mm, 350 → 4000 (WLL180T) mm SICK Fibre Optic Sensor 170 → 400 (WLL170-2) mm, 350 → 4000 (WLL180T) mm