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

          Sensor Head Spot Type



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          Reference distance

          30 mm 1.18"(Diffuse reflection), 23.5 mm 0.93"(Specular reflection)

          Measuring range

          ±5 mm ±0.2"(Diffuse reflection),±4.5 mm ±0.18"(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

          Spot diameter (at reference distance)

          Approx. ø30 µm ø0.001181"


          ±0.05% of F.S. (F.S.= ±5 mm ±0.2")*1


          0.05 µm (0.01 µm)*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.= ±5 mm ±0.2")

          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. 280 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