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          Digital Fibre optic SensorFS-N40 series

          Transmissive Fibre Unit



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          Array thrubeam 40 mm type

          Optical axis area (Standard detection target)

          40 x 0.25 mm

          Fibre unit length

          2 m*2 (Free-cut) ø2.2 mm Spiral parts cannot be cut

          Minimum bend radius

          R10 mm

          Minimum detectable object

          ø2.5 mm opaque object*3

          Tightening torque

          0.75 N∙m

          Environmental resistance

          Enclosure rating


          Ambient temperature

          -20 to +50 °C (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)


          Case : Die-cast zinc, Detecting surface : PBT, Core fibre : Acrylic, Fibre sheath : Polyethylene


          Fibre cutter, Mounting screws (M4 X L8, 4 units)


          Approx. 70 g

          *1 For details on the detecting distance, see the fibre amplifier catalogue.
          *2 A 5 m type is also available. Contact your nearest KEYENCE sales office.
          *3 The minimum detectable object was determined at the optimal detecting distance and sensitivity setting.

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