High-speed, High-accuracy CCD Laser Displacement SensorLK-G3000 series


Sensor Head Spot Type, Laser Class 2


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Reference distance

400 mm (Diffuse reflection),398 mm (Specular reflection)

Measuring range

±100 mm (Diffuse reflection),±99 mm (Specular reflection)

Light source


Red semiconductor laser


655 nm (visible light)

Laser Class

Class II (FDA (CDRH) 21CFR Part 1040.10), Class 2 (IEC 60825-1)

Control output

0.95 mW maximum

Spot diameter (at standard distance)

Approx. ø290 μm


±0.05% of F.S.(F.S.= ±100 mm)*1


2 μm*2

Sampling cycle

20/50/100/200/500/1000 μs (Selectable from 6 levels)

LED display

Near the centre 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.= ±100 mm)

Environmental resistance

Enclosure rating

IP67 (IEC60529)

Operating ambient temperature

0 to +50°C, No condensation

Operating ambient humidity

35 to 85% RH (No condensation)

Operating ambientluminance

Incandescent lamp or fluorescent lamp: 5000 lux max.


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


Aluminium die-cast


Approx 380 g (including the cable)

*1 This value was taken when measuring a KEYENCE standard target (ceramic) in standard mode.
*2 These values were taken when measuring a KEYENCE standard target (SUS) at a reference distance and with the number of averaging measurements set to 4,096

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