CCD Laser Displacement Sensor

LK series

This model has been discontinued.
Compliance with the certification standard is ensured as of the time of shipment from our company.

Sensor Head, Small Spot, Laser Class 2 LK-503

LK-503 - Sensor Head, Small Spot, Laser Class 2

  • CE Marking

Specifications

Model

LK-503

Type

Sensor head Long-distance *1 Sensor head

Measurement mode

High-precision mode,Long-range mode

Reference distance

350 mm 13.78" (High-precision mode), 500 mm 19.69" (Long-range mode)

Measuring range

±100 mm ±3.94" (High-precision mode), ±250 mm ±9.84" (Long-range mode)

Light source

Type

Visible red semiconductor laser

Wavelength

690 nm

Output

0.95 mW

Laser
Class

FDA (CDRH) 21CFR Part 1040.10

Class 2 Laser Product

IEC 60825-1

Spot diameter (at standard distance)

Approx. 0.7 mm 0.03" (High-precision mode), Approx. 0.3 mm 0.01" (Long-range mode)

Linearity

±0.1% of F.S. *2

Repeatability

10 µm (high-precision mode), 50 µm (long mode)

Analog output

Voltage output

±10 V (10 µm 0.000394"/mV) *3 (High-precision mode),
±5 V (50 µm 0.001969"/mV) *3 (Long-range mode)

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.

Sampling cycle

1,024 µs

Other functions

Auto-zero, analog output holding when an alarm occurs, gain switching, response switching, span and shift adjustment of mirror surface measurement mode, changing the sampling cycle

Temperature characteristics

0.02% of F.S./°C

Rating

Power voltage

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

Maximum current consumption

400 mA max.

Environmental resistance

Enclosure rating

IP67

Ambient light

Incandescent or fl uorescent lamp: 10,000 lux max.

Ambient temperature

0 to +50 °C 32 to 122 °F (No condensation)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

Material

Aluminum die-cast

Weight

Approx. 700 g (including cable)

*1 The LK-503 can both be used in High-precision mode or Long-range mode.
*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.

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