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          CCD Laser Displacement SensorLK series

          LK-3101

          Controller

          [Discontinued model]

          This model has been discontinued.

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          SPECIFICATIONS

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          Model

          LK-3101

          Type

          Amplifier unit, Compact high-accuracy Controller

          Measurement mode

          Normal,mirror surface

          Reference distance

          10 mm0.39" (Normal),7.0 mm0.28" (mirror surface)

          Measuring range

          ±1 mm±0.04" (Normal),±0.9 mm±0.04" (mirror surface)

          Light source

          Type

          Visible red semiconductor laser

          Wavelength

          670 nm

          Output

          0.95 mW

          Laser
          Class

          FDA (CDRH) 21CFR Part 1040.10

          Class 2 Laser Product

          IEC 60825-1

          Spot diameter (at standard distance)

          Approx. 20 µm

          Linearity

          ±0.25% of F.S. *1

          Repeatability

          0.1 µm *2 0.000004"

          Analog output

          Voltage output

          ±10 V (±9 V)
          (0.1 µm 0.000004"/mV) *3

          Impedance

          100 Ω

          Current output

          4 to 20 mA (Applicable load: 350 Ωmax.)

          Alarm output

          NPN: 100 mA max. (40 V max.) (N.C.), Residual voltage: 1 V max.

          Sampling cycle

          128, 256, 512, 2,048 µs (selectable)

          Other functions

          Auto-zero, analog output holding when an alarm occurs, gain switching, response switching, span and shift adjustment of mirror surface measurement mode, changing the sampling cycle

          Temperature characteristics

          0.005% of F.S./°C

          Rating

          Power voltage

          24 VDC ±10 %, Ripple (P-P) 10 % or less

          Maximum current consumption

          400 mA max.

          Environmental resistance

          Enclosure rating

          IP64

          Ambient light

          Incandescent or fl uorescent lamp: 10,000 lux max.

          Ambient temperature

          0 to +50 °C 32 to 122 °F (No condensation)

          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

          Polycarbonate

          Weight

          Approx. 515 g (including cable)

          *1 Linearity was obtained using KEYENCE's standard target (Zirconia block gauge: LK-031/036, LK-081/086, LK-011, White ceramic block gauge: LK-503).
          *2 Repeatability was obtained using KEYENCE's analog sensor controller (RD-50) with the number of averaging measurements set to 64.
          Note: The ripple of the analog output may be 1 mV or more due to common mode noise when observed with an oscilloscope or a high-speed A/D conversion board.
          *3 When measurement is impossible, 12 V (31.2 mA) is output.

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