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

          LK-G157

          Sensor Head: Long Distance, Wide beam

          SPECIFICATIONS

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          Model

          LK-G157

          Reference distance

          Diffused reflection: 150 mm 5.91", Specular reflection: 147.5 mm 5.81" (Specular reflection)

          Measuring range

          Diffused reflection: ±40 mm ±1.57", Specular reflection: ±39 mm ±1.54"*1*2

          Light source

          Type

          Red semiconductor laser

          Wavelength

          650 nm (visible light)

          Laser Class

          Class II (FDA CDRH 21CFR PART1040.10)

          Output

          0.95 mW

          Spot diameter (at reference distance)

          Approx. 120 x 1,700 µm
          0.0047" x 0.0669"

          Linearity

          ±0.05 % of F.S. (F.S.= ±40 mm ±1.57")*3

          Repeatability

          0.5 µm 0.000020"*4

          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: 5,000 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

          Material

          Aluminum die-cast

          Weight

          Approx. 290 g (including the cable)

          *1 The range is obtained by measuring KEYENCE's standard target (ceramic).
          *2 When the sampling rate is 20 µs, the range becomes -9 -0.35" (NEAR side) to -15 mm -0.59" (NEAR side) for Diffused reflection, and -8.7 -0.34" (NEAR side) to -14 mm -0.55" (NEAR side) for specular reflection.
          *3 The range is obtained by measuring KEYENCE's standard target (ceramic) with the Standard mode.
          *4 The range is obtained by measuring KEYENCE's standard (SUS) with 4,096 times of averaging at the reference distance.

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