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Find the Keyence LK-031 at our website: Click HERE

Type Long-distance

Model LK-503

Measurement mode High-precision mode Long-range mode

Reference distance

Repeatability 10 μm 0.39 Mil 50 μm 1.95 Mil

Linearity ±0.1% of F.S.

Sampling cycle 1,024 μs

Type Compact/high-accuracy High-precision Standard

Model LK-011 LK-031/036 LK-081/086

Measurement mode Normal Mirror surface – –

Reference distance

Repeatability 0.1 μm 0.004 Mil 1 μm 0.039 Mil 3 μm 0.12 Mil

Linearity ±0.25% of F.S. ±0.1% of F.S.

Sampling cycle 128/256/512/2,048 μs 512 μs 1,024 μs

CCD Laser

Displacement Sensors

The LFTC circuit enables measurement of multicolored or patterned

targets. Low refl ectance targets, such as black rubber, can be measured

without additional adjustment.

KEYENCE’s unique optical system

minimizes lens aberration to give the

LK-031 a minimum spot diameter of

30 µm 1.18 Mil. This enables the

surface contour of a target to be

accurately measured.

LK Series

Features

Linearity of ±0.1% of F.S.

Repeatability of 1 µm 0.04 Mil

30 µm 1.18 Mil diameter beam spot

Ultra long measuring distance up to 750 mm 29.53"

Measurement unaffected by color, surface texture or stray light

Expert Engineering SitesA new site with answers to all of your dif' cult

measurement application questions

www.keyence.com

Measurement of various target surfaces

Laser beam spot of 30 µm 1.18 Mil diameter

Lineup

10 ±1mm

0.39"±0.04"

7.0 ±0.9 mm

0.28"±0.04"

30 ±5 mm

1.18"±0.20"

80 ±15 mm

3.15"±0.59"

350 ±100 mm

13.78"±3.94"

500 ±250 mm

19.69"±9.84"

11mm0.43"

10mm0.39"

9mm0.35"

7.9mm0.31"

7.0mm0.28"

6.1mm0.24"

35mm1.38"

30mm1.18"

25mm0.98"

95 mm3.74"

80 mm3.15"

65 mm2.56"

450 mm17.71"

350 mm13.78"

250 mm9.84"

750 mm29.53"

500 mm19.69"

250 mm9.84"

24

LK

Series

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LK Series

11013 76

140

90100 112

4-ø5(mounting hole)

(60)

35.4

172

0 to 140°

6.77"

5.51"

4.33"

ø0.20"

3.54"3.94" 4.41"

0.51"2.99" (2.36")

1.39"

27.3 1.07"

ø15

ø5

43

7.9 0.31"

500

45°

7 9 to 11

3

3

2-ø3.2

(mounting hole)

42.7

33

39.8

17.7

ø0.59"

1.70"

19.69"

ø0.13"

1.57" 0.12"

0.28" 0.35" to 0.43"

0.12"

1.68"

1.30"

ø0.20"

0.70"

85

7667

40° 25 to 35

13.5

4

25

26

13

ø7

ø15

43

500

2-ø4.5(mounting hole)

ø0.59"

1.70"

19.69"ø0.28"1.02"

3.35"

0.98"

ø0.18"

2.99"2.64"

0.98" to 1.38"

0.53"

0.51"0.16"

95

76 67

25°65 to 95

13.5

4

25

36

18

ø7

ø15

43

500

2-ø4.5(mounting hole)

ø0.18"

3.74"

0.98"

2.99" 2.64"

0.53"

0.16"2.56" to 3.74"

0.71"

1.42"

ø0.28" 19.69"

1.70"

ø0.59" 120

33.52-ø5.4

79

90

5

250 to 750

13.8 24.5

ø15

ø7, Cable length:

500

47.8

43

8° (11°)

(mounting hole)

Measurement reference position

4.72"

ø0.21"

1.32"

3.54"

3.11"

0.20"

9.84" to 29.53"

(250 to 450)(9.84" to 17.72")

0.54" 0.96"

1.88"

ø0.59"

ø0.28"

1.69"

19.69"

Specifi cations

TypeCompact

high-accuracyHigh-precision Standard Long-distance *4

ModelSensor head LK-011 LK-031/036 LK-081/086 LK-503

Controller LK-3101 LK-2001/2011 LK-2101/2111 LK-2503

Measurement modeNormal

(mirror surface)— High-precision mode Long-range mode

Reference distance10 mm (7.0 mm)

0.39" (0.28")30 mm 1.18" 80 mm 3.15" 350 mm 13.78" 500 mm 19.69"

Measuring range±1 mm (±0.9 mm)

±0.04" (±0.04")±5 mm ±0.20" ±15 mm ±0.59" ±100 mm ±3.94" ±250 mm ±9.84"

Light source Visible red semiconductor laser

Output 0.95 mW

Wavelength 670 nm 690 nm

Laser ClassFDA (CDRH) Part 1040.10 Class II Laser Product

IEC 60825-1 Class 2 Laser Product

Spot diameter(at reference distance)

Approx. 20 μm0.79 Mil

Approx. 30 μm1.18 Mil (LK-031)

Approx. 30 x 850 μm1.18 x 33.46 Mil (LK-036)

Approx. 70 μm2.76 Mil (LK-081)

Approx. 70 x 1100 μm2.76 x 43.3 Mil (LK-086)

Approx. 0.7 mm 0.03"

Approx. 0.3 mm 0.01"

Repeatability 0.1 μm *1 0.004 Mil 1 μm *1 0.039 Mil 3 μm *1 0.12 Mil 10 μm *1 0.39 Mil 50 μm *1 1.97 Mil

Linearity ±0.25% of F.S. *2 ±0.1% of F.S. *2

Sampling cycle128/256/512/2,048 μs

selectable512 μs 1024 μs

Analog output

Voltage output±10 V (±9 V)

(0.1 μm 0.004 Mil/mV)*3

±5 V(1 μm 0.039 Mil/mV) *3

±5 V(3 μm 0.12 Mil/mV) *3

±10 V(10 μm 0.39 Mil/mV) *3

±5 V(50 μm 1.97 Mil/mV) *3

Impedance 100 Ω

Current output 4 to 20 mA (Applicable load: 350 Ωmax.)

Alarm output NPN: 100 mA max. (40 V max.) (N.C.), Residual voltage: 1 V max.

Other functions AUTO ZERO, Response selection, Shift/Span adjustment, Holding output in alarm condition

Power supply 24 VDC ±10%, Ripple: 10% (P to P) or less

Current consumption 400 mA max.

Temperature fl uctuation

Sensor head 0.04% of F.S./°C 0.01% of F.S./°C 0.02% of F.S./°C

Controller 0.005% of F.S./°C 0.01% of F.S./°C

Enclosure rating IP64 IP67

Ambient light Incandescent or fl uorescent lamp: 10000 lux max.

Ambient temperature 0 to 50°C 32 to 122°F

Relative humidity 35 to 85%, No condensation

HousingSensor head Aluminum die-cast

Controller Polycarbonate

Weight(including cable)

Sensor head Approx. 80 g Approx. 260 g Approx. 385 g Approx. 700 g

Controller Approx. 515 g

*1 Repeatability was obtained using KEYENCE’s analog sensor controller (RD-50) with the number of averaging measurements set to 64. Note: The ripple of the analog output may be 1 mV or more due to common mode noise when observed with an oscilloscope or a high-speed A/D conver-sion board.

*2 Linearity was obtained using KEYENCE’s standard target (Zirconia block gauge: LK-031/036, LK-081/086, LK-011, White ceramic block gauge: LK-503).*3 When measurement is impossible, 12 V (31.2 mA) is output.*4 The LK-503 can both be used in High-precision mode or Long-range mode.

Sensor head

LK-011 LK-031/036 LK-081/086 LK-503

* Data in ( ) applies to

at high-precision mode.

L4 S4 4 4 4 4 44 444 4 -

4 4 4 4 4 S44 4 4 44 44 4 4 4 4

S44 44 4 4 4 4 4 44 4 L4 S4 4 640n4

4 4 4 44 4 4 4 4 44 4 4 04454 4

4 4 LS44 4 4 4 44 444 4

4 L4 SS 44 L4 S4 4 4 4 4 4 4 4 4

4 4 4 444 4

4 44 44 4444 S4 4 4

LASER RADIATIONIS EMITTED FROMTHIS APERTURE.

4444444

LASER RADIATIONWHEN OPEN.DO NOT STARE INTOBEAM.

LASER RADIATION-DO NOT STARE INTO BEAM

SEMICONDUCTOR LASERMAXIMUM OUTPUTPULSED RADIATIONCLASS II LASER PRODUCT

690nm0.95mW

CAUTION

AVOID EXPOSURE

LASER RADIATIONIS EMITTED FROMTHIS APERTURE.

CAUTION

LASER RADIATIONWHEN OPEN.DO NOT STARE INTO BEAM.

Controllers

LK-3101/2001/2011/2101/2111/2503

Extension cable (Optional)

Cable length Model

2 m 6.6' LK-C2

5 m 16.4' LK-C5

10 m 32.8' LK-C10

Dimensions

Unit: mm inch

25

LK

-G5000 S

erie

sLK

-G3000 S

erie

sLJ-G

Serie

sS

I-F1000 S

erie

sS

I-F80R

Serie

sLS

-7000 S

erie

sLS

-3100/5000 Series

TM

-3000 S

erie

sIM

-6500 S

erie

sLK

Serie

sLJ-V

7000 S

erie

sLT-9

000 S

erie

s

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