CCD Laser Displacement SensorLK series

LK-085

Sensor Head, Wide Spot

[Discontinued model]

This model has been discontinued.

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SPECIFICATIONS

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Model

LK-085

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 × 1,100 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: 10% (P to P) or less

Maximum current consumption

400 mA max.

Environmental resistance

Enclosure rating

IP67

Operating ambientluminance

Incandescent or fl uorescent lamp: 10000 lux max.

Operating ambient temperature

0 to +50°C (No condensation)

Operating ambient humidity

35 to 85% RH (No condensation)

Vibration

10 to 55 Hz, double amplitude 1.5 mm; two hours in each direction of X, Y, and Z

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 common 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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