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          High-Speed, High-Accuracy CCD Laser Displacement SensorLK-G3000 series

          Sensor Head, Wide Type



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          Reference distance

          150 mm 5.91" (Diffuse reflection),147.5 mm 5.81" (Specular reflection)

          Measuring range

          ±40 mm ±1.57" (Diffuse reflection), ±39 mm ±1.54" (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. 120 x 1700 µm
          0.0047 x 0.0669"


          ±0.05% of F.S. (F.S.= ±40 mm ±1.57")*1


          0.5 µm 0.000020"*2

          Sampling frequency

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

          LED display

          Near the center 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.= ±40 mm ±1.57")

          Environmental resistance

          Enclosure rating

          IP67 (IEC60529)

          Ambient light

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

          Ambient temperature

          0 to +50 °C 32 to 122 °F

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

          10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions


          Aluminum die-cast


          Approx. 290 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