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          High-speed, High-accuracy CCD Laser Displacement SensorLK-G3000 series

          Sensor Head, Wide Type



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          Reference distance

          500 mm (Diffuse reflection),497.5 mm (Specular reflection)

          Measuring range

          -250 to +500 mm (Diffuse reflection),-249 to +498 mm (Specular reflection)

          Light source


          Red semiconductor laser


          655nm (Visible light), Class 3R laser product (JIS C6802)

          Laser Class

          Class 3R (IEC 60825-1), Class IIIa (FDA CDRH Part 1040.10)


          4.8 mW maximum

          Spot diameter (at reference distance)

          Approx. ø300 x 9,500 µm


          ±0.05% of F.S. (-250 mm to +250 mm), long range: ±0.1% of F.S. (-250 mm to +500 mm), high-accuracy range: ±0.02% of F.S. (-250 mm to -50 mm) F.S. = ±250 mm*1


          2 µm*2

          Sampling frequency

          20/50/100/200/500/1,000 µs (Selectable from 6 levels)

          LED display

          Near the centre of the measurement: Green lights
          Within the measurement area: Orange lights
          Outside the measurement area: Orange flashing

          Temperature characteristics

          0.01% of F.S./˚C (F.S.= ±250 mm)

          Environmental resistance

          Enclosure rating

          IP67 (IEC60529)

          Ambient light

          Incandescent lamp or Fluorescent lamp: 10,000 lux max.

          Ambient temperature

          0 to +50 °C

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions


          Aluminium die-cast


          Approx. 380 g (including the cable)

          *1 This value was taken when measuring a KEYENCE standard target (ceramic) in standard mode.
          *2 These values were taken when measuring a KEYENCE standard target (SUS) at a reference distance and with the number of averaging measurements set to 4,096

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          Measurement Sensors