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


Sensor Head Spot Type, Laser Class 2


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Reference distance

30 mm 1.18"(Diffuse reflection), 23.5 mm 0.93"(Specular reflection)

Measuring range

±5 mm ±0.2"(Diffuse reflection),±4.5 mm ±0.18"(Specular reflection)

Light source


Red semiconductor laser


655nm (visible light) Class 2 (JIS C6802)

Laser Class

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

Control output

0.95 mW maximum

Spot diameter (at standard distance)

Approx. ø30 µm ø0.001181"


±0.05% of F.S. (F.S.= ±5 mm ±0.2")*1


0.05 µm*2*3

Sampling cycle

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

LED display

Near the center 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.= ±5 mm ±0.2")

Environmental resistance

Enclosure rating

IP67 (IEC60529)

Ambient temperature

0 to 50°C 32 to 122°F

Relative humidity

35 to 85% RH (No condensation)

Environmental resistance

Operating ambientluminance

Incandescent lamp or fluorescent lamp: 10000 lux max.


10 to 55 Hz, double amplitude 1.5 mm 0.06"; two hours in each direction of X, Y, and Z


Aluminum die-cast


Approx 280 g (including the cable)

*1 This value was taken when measuring a KEYENCE standard target (ceramic) in standard mode.
*2 Consult your nearest KEYENCE representative for the Class IIIa type with increased repeatability.
*3 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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