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          CCD Laser Displacement SensorLK series

          LK-2503

          Controller

          [Discontinued model]

          This model has been discontinued.

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          SPECIFICATIONS

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          Model

          LK-2503

          Type

          Amplifier unit, Long-distance*1 Controller

          Measurement mode

          High-precision mode,Long-range mode

          Reference distance

          350 mm 13.78" (High-precision mode), 500 mm 19.69" (Long-range mode)

          Measuring range

          ±100 mm ±3.94" (High-precision mode), ±250 mm ±9.84" (Long-range mode)

          Light source

          Type

          Visible red semiconductor laser

          Wavelength

          690 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)

          Linearity

          ±0.1% of F.S. *2

          Repeatability

          Analog output

          Voltage output

          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

          1,024 µs

          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

          0.01% of F.S./°C

          Rating

          Power voltage

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

          Maximum current consumption

          400 mA max.

          Environmental resistance

          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 The LK-501 and LK-503 can both be used in High-precision mode or Long-range mode.
          *2 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).

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