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Laser Displacement Sensors

Compact TypeLM-S Series

Sensor Head, Short-range type, Detection distance 10-20 mm, Repeatability 1 μm

Other Models

LM-S020

Specifications

Model LM-S020
Type Reflective
Short-range type
Reference distance 15 mm
Measuring distance 10-20 mm
Light sensor Linear image sensor CMOS
Spot size Approx. 550 × 750 μm
Light source 655 nm red laser, 390 μW
Laser class class1
Linear accuracy ±0,1 % F.S.*1
Repeatability 1 μm*2
Sampling period Up to 500 μs
Temperature drift ±0,02 % F.S./°C
Current consumption 55 mA max. (24 VDC)
Protection class IP67
Ambient light Sunlight: max. 20,000 lux; Incandescent lamp: max. 3,000 lux (surface illumination)
Ambient temperature -10 to +50 °C (no freezing)
Storage temperature -20 to +60 °C (no freezing)
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
Shock resistance 50 G (500 m/s²), 3 times in each of the X, Y, and Z directions
Cable length 30 cm
Material Sensor head: Aluminum; Transmitter and receiver lenses: Glass
Weight Approx. 240 g (including cable)
*Note:
1. Data from SENPUM measurements of standardized targets (white diffuse objects).
2. Based on test data at an average sampling number of 512 times.

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