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          CCD Laser Displacement SensorLK series

          LK-080

          Sensor Head, Small Spot

          [Discontinued model]

          This model has been discontinued.

          Recommended Replaceable Products
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          SPECIFICATIONS

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          Model

          LK-080

          Type

          Sensor head Standard Sensor head

          Reference distance

          80 mm (Fine target measurement (focused spot type))76.7 mm (Transparent/mirror target measurement (specular reflection type))

          Measuring range

          ±15 mm

          Light source

          Type

          Red semiconductor laser

          Wavelength

          670nm (Visible light), Class 2 laser product (JIS C6802)

          Output

          0.95 mW maximum

          Spot diameter (at standard distance)

          Approx. 70 µm

          Linearity

          ±0.1% of F.S.

          Repeatability

          3 µm*1

          Analogue output

          Output voltage

          ±5 V (3 µm/mV)*2

          Impedance

          100 Ω

          Output current

          4 to 20 mA (350 Ω maximum)*2*3

          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

          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

          Enclosure rating

          IP67

          Ambient light

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

          Ambient temperature

          0 to +50 °C (No condensation)

          Relative humidity

          35 to 85 % RH (No condensation)

          Vibration resistance

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

          Material

          Aluminium die-cast

          Weight

          Approx. 385 g (including cable)

          *1 Repeatability was obtained using KEYENCE's analogue sensor controller (RD-50) with the number of averaging measurements set to 64.
          Note: The ripple of the analogue output may be 1 mV or more due to co mmon mode noise when observed with an oscilloscope or a high-speed A/D conversion board.
          *2 LK-010: When measurements cannot be performed, this is 12 V (21 mA). LK-035/030, LK-085/080, and LK-500: When measurements cannot be performed, this is 12 V (31.2 mA).
          *3 The ±5 V analog voltage output range (the ±

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