High-speed, High-accuracy CCD Laser Displacement Sensor

LK-G3000 series

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Controllers

Model

LK-G3001V*1

LK-G3001PV*3

Separate type

LK-G3001/LK-GD500*2

LK-G3001P/LK-GD500*4

Type

All-in-one model

Head compatibility

All LK-G sensor heads are compatible

Connectable number of heads

Maximum of 2 units

Display

Minimum display unit

0.01 µm

Display range

±9,999.99 mm to ±9,999.99 µm (Selectable from six levels)

Display cycle

10 times/sec.

Terminal block

Analogue voltage output

±10 V x 2 outputs, output impedance: 100 Ω

Analogue current output

4 to 20 mA x 2 outputs, maximum load resistance: 350 Ω

Timing input

For OUT1, non-voltage input

For OUT1, voltage input

Reset input

Auto-zero input

Laser remote interlock input

Non-voltage input

Comparator output

For OUT1, NPN open-collector output

For OUT1, PNP open-collector output

Alarm output

For OUT1, NPN open-collector output (N.C.)

For OUT1, PNP open-collector output (N.C.)

Expansion connector

Timing input

For OUT2, non-voltage input

For OUT2, voltage input

Reset input

Auto-zero input

Program switching input

Non-voltage input x 3 inputs

Voltage input x 3 inputs

Laser-Off input

For Head A/Head B, non-voltage input

For Head A/Head B, voltage input

Comparator output

For OUT2, NPN open-collector output

For OUT2, PNP open-collector output

Alarm output

For OUT2, NPN open-collector output (N.C.)

For OUT2, PNP open-collector output (N.C.)

Binary

Binary output

Measured data output (21 bits), OUT1/OUT2 selectable, NPN open-collector output

Measured data output (21 bits), OUT1/OUT2 selectable, PNP open-collector output

Strobe output

NPN open-collector output

PNP open-collector output

Binary selector output

Binary selector input

Non-voltage input

Voltage input

RS-232C interface

Measured data output and control input/output (Maximum baud rate: 115,200 bps, selectable)

USB interface

In conformity with USB Revision 2.0 Full speed (USB1.1 compatible)

Major functions

2 OUT simultaneous measurement, Operation, Averaging, Filter, Calibration, Measurement, AUTO ZERO,
Sampling frequency setting, Mutual interference prevention, Data storage, 8-program memory, ECO mode,
ABLE setting, Target setting, ABLE tuning, Selection of measurement surface of transparent target,
Statistics processing, Connection of setting support software, Selectable head-mounting, etc.

Rating

Power voltage

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

Current consumption

When connecting one measurement head 500 mA or less /
When connecting two measurement heads 600 mA or less

Environmental resistance

Ambient temperature

0 to +50 °C

Relative humidity

35 to 85 % RH (No condensation)

Weight

Approx. 480 g

*1 The rating of the NPN open-collector: 50 mA max. (40 V max.), residual voltage of 1 V max.
The rating of non-voltage input: 1 V or less ON voltage, 0.6 mA or less OFF current.
*2 LK-G3001 can be operated singly. The measured value display and setting modifications can be performed on the display panel (LK-GD500) or via the setting support software (LK-H1W).
*3 The rating of the PNP open collector: 50 mA max. (30 V max.), residual voltage of 1 V max.
The rating of voltage input: 10.2 V or more ON voltage (26.4 V max.) 0.6 mA or less OFF current.
*4 LK-G3001P can be operated singly. The measured value display and setting modifications can be performed on the display panel (LK-GD500) or via the setting support software (LK-H1W).

Sensor heads

Model

LK-G10

LK-G15

LK-G32

LK-G37

Reference distance

10 mm

Diffused reflection: 30 mm, Specular reflection: 23.5 mm

Measuring range

±1 mm*1*2

Diffused reflection: ±5 mm, Specular reflection: ±4.5 mm*1*5

Light source

Type

Red semiconductor laser

Wavelength

650 nm (visible light)

Laser Class

Class II (FDA CDRH 21CFR Part 1040.10), Class 1 (IEC60825-1)

Class II (FDA CDRH 21CFR Part 1040.10), Class 2 (IEC60825-1)

Output

0.3 mW

0.95 mW

Spot diameter (at reference distance)

Approx. ø20 µm

Approx. 20 x 500 µm

Approx. ø30 µm

Approx. 30 x 850 µm

Linearity

±0.03 % of F.S. (F.S.= ±1 mm)*3

±0.05 % of F.S. (F.S.= ±5 mm)*3

Repeatability

0.02 µm (0.01 µm)*4

0.05 µm*6*7

Sampling frequency

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.= ±1 mm)

0.01 % of F.S./°C (F.S.= ±5 mm)

Environmental resistance

Enclosure rating

IP67 (IEC60529)

Ambient light

Incandescent lamp or Fluorescent lamp: 10,000 lux max.

Ambient temperature

0 to +50 °C

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. 190 g (including the cable)

Approx. 280 g (including the cable)

*1 The range is obtained by measuring KEYENCE's standard target (ceramic).
*2 When the sampling rate is 20 µs, the range becomes +0.37 (FAR side) to -1 mm (NEAR side).
*3 The range is obtained by measuring KEYENCE's standard target (ceramic) with the Standard mode.
*4 The range is obtained by measuring KEYENCE's standard (SUS) with 4,096 times of averaging at the reference distance. The range in parenthesis is the typical linearity obtained by measuring the target with 16,384.
*5 When the sampling rate is 20 µs, the range becomes +1.8 (FAR side) to -5 mm (NEAR side) for diffuse reflection, and +1.6 (FAR side) to -4.5 mm (NEAR side) for specular reflection.
*6 Consult your nearest KEYENCE representative for the Class IIIa type with increased repeatability.
*7 The range is obtained by measuring KEYENCE's standard (SUS) with 4,096 times of averaging at the reference distance.

Sensor heads

Model

LK-G82

LK-G87

LK-G152

LK-G157

Reference distance

Diffused reflection: 80 mm, Specular reflection: 75.2 mm

Diffused reflection: 150 mm, Specular reflection: 147.5 mm

Measuring range

Diffused reflection: ±15 mm, Specular reflection: ±14 mm*1*2

Diffused reflection: ±40 mm, Specular reflection: ±39 mm*1*6

Light source

Type

Red semiconductor laser

Wavelength

650 nm (visible light)

Laser Class

Class II (FDA CDRH 21CFR Part 1040.10), Class 2 (IEC60825-1)

Output

0.95 mW

Spot diameter (at reference distance)

Approx. ø70 µm

Approx. 70 x 1,100 µm

Approx. ø120 µm

Approx. 120 x 1,700 µm

Linearity

±0.05 % of F.S. (F.S.= ±15 mm)*3

±0.05 % of F.S. (F.S.= ±40 mm)*3

Repeatability

0.2 µm*4*5

0.5 µm*4*5

Sampling frequency

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.= ±15 mm)

0.01 % of F.S./°C (F.S.= ±40 mm)

Environmental resistance

Enclosure rating

IP67 (IEC60529)

Ambient light

Incandescent lamp or Fluorescent lamp: 10,000 lux max.

Incandescent lamp or Fluorescent lamp: 5,000 lux max.

Ambient temperature

0 to +50 °C

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. 380 g (including the cable)

Approx. 290 g (including the cable)

*1 The range is obtained by measuring KEYENCE's standard target (ceramic).
*2 When the sampling rate is 20 µs, the range becomes -9 (NEAR side) to -15 mm (NEAR side) for diffuse reflection, and -8.7 (NEAR side) to -14 mm (NEAR side) for specular reflection.
*3 The range is obtained by measuring KEYENCE's standard target (ceramic) with the Standard mode.
*4 Consult your nearest KEYENCE representative for the Class IIIa type with increased repeatability.
*5 The range is obtained by measuring KEYENCE's standard (SUS) with 4,096 times of averaging at the reference distance.
*6 When the sampling rate is 20 µs, the range becomes -22 (NEAR side) to -40 mm (NEAR side) for diffuse reflection, and -22 (NEAR side) to -39 mm (NEAR side) for specular reflection.

Sensor heads

Model

LK-G402

LK-G407

LK-G502

LK-G507

Reference distance

Diffused reflection: 400 mm, Specular reflection: 398 mm

Diffused reflection: 500 mm, Specular reflection: 497.5 mm

Measuring range

Diffused reflection: ±100 mm, Specular reflection: ±99 mm*1*2

Diffused reflection: -250 to +500 mm, Specular reflection: -249 to +498 mm*1*5

Light source

Type

Red semiconductor laser

Wavelength

650 nm (visible light)

Laser Class

Class II (FDA CDRH 21CFR Part 1040.10), Class 2 (IEC60825-1)

Output

0.95 mW

Spot diameter (at reference distance)

Approx. ø290 µm

Approx. 290 x 8,300 µm

Approx. ø300 µm

Approx. 300 x 9,500 µm

Linearity

±0.05 % of F.S. (F.S.= ±100 mm)*3

±0.05 % of F.S. (±250 µm)*6 -250 to +250 mm
high-accuracy range: ±0.02 % of F.S. (±100 µm) -250 to -50 mm
long range: ±0.1 % of F.S. (±500 µm) -250 to +500 mm (F.S. = ±250 mm)*3

Repeatability

2 µm*4

Sampling frequency

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)

0.01 % of F.S./°C (F.S.= ±250 mm)

Environmental resistance

Enclosure rating

IP67 (IEC60529)

Ambient light

Incandescent lamp or Fluorescent lamp: 5,000 lux max.

Ambient temperature

0 to +50 °C

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. 380 g (including the cable)

*1 The range is obtained by measuring KEYENCE's standard target (ceramic).
*2 When the sampling rate is 20 µs, the range becomes -70 (NEAR side) to -100 mm (NEAR side) for diffuse reflection.
When the sampling rate is 20 µs, the range becomes -70 (NEAR side) to -99 mm (NEAR side) for specular reflection.
*3 The range is obtained by measuring KEYENCE's standard target (ceramic) with the Standard mode.
*4 The range is obtained by measuring KEYENCE's standard (SUS) with 4,096 times of averaging at the reference distance.
*5 When the sampling rate is 20 µs, the range becomes -230 (NEAR side) to -250 mm (NEAR side) for diffuse reflection.
When the sampling rate is 20 µs, the range becomes -230 (NEAR side) to -249 mm (NEAR side) for specular reflection.
When the sampling rate is 50 µs, the range becomes -125 (NEAR side) to -250 mm (NEAR side) for diffuse reflection.
When the sampling rate is 50 µs, the range becomes -125 (NEAR side) to -249 mm (NEAR side) for specular reflection.
*6 All are calculated at F.S. = ±250 mm.
"High accuracy range" and "long range" refer to the linearity when those ranges are used.

Extension cable (Cable between the head and controller)

Model

LK-GC2

LK-GC5

LK-GC10

LK-GC20

LK-GC30

Cable length

2 m

5 m

10 m

20 m

30 m

Weight

Approx. 200 g (including the cable)

Approx. 400 g (including the cable)

Approx. 750 g (including the cable)

Approx. 1,400 g (including the cable)

Approx. 2,000 g (including the cable)

Extension cable (Cable for display panel)

Model

OP-51654

OP-51655

OP-51656

Cable length

0.3 m

3 m

10 m

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