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High-Precision Laser Sensor KEYENCE LK-G400A Industrial Use
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KEYENCE LK-G400A
High-precision laser displacement sensor delivering micron-level accuracy for demanding industrial measurement and inspection tasks
| Brand | KEYENCE |
| Model | LK-G400A |
| Voltage | 24V DC |
| Country of Origin | Japan |
| Weight | 350 g (sensor head) |
| Dimensions | 80 x 60 x 30 mm (sensor head) |
| Certifications | CE, FCC, RoHS |
| SKU / MPN | LK-G400A |
| What’s in the box | LK-G400A sensor head, controller unit, power cable, signal cable, mounting bracket, instruction manual |
| Measurement Range | ±40 mm |
| Resolution | 0.25 µm |
| Sampling Rate | 50 kHz |
| Laser Class | Class 2 semiconductor laser (655 nm) |
| Analog Output | ±10 V / 4-20 mA |
| Linearity | ±0.05% of F.S. |
Key benefits: Sub-micron resolution, ultra-fast 50 kHz sampling, wide ±40 mm measurement range, robust Class 2 laser, flexible analog output, durable industrial-grade construction
Typical applications: Thickness measurement, flatness inspection, run-out measurement, position control, vibration analysis, surface profiling, quality control on production lines
Lifecycle: Mature product, broadly available in new and refurbished markets, supported by KEYENCE with long-term availability
1 review for High-Precision Laser Sensor KEYENCE LK-G400A Industrial Use
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Michael T. –
Well-manufactured linear guide, smooth motion. Quick shipping.