Description
KEYENCE LK-G400
High-precision non-contact laser sensing for accurate dimensional measurement, inspection, and automated quality control.
| Brand | KEYENCE |
| Model | LK-G400 |
| Voltage | 12-24V DC |
| Country of Origin | Japan |
| Weight | 0.25 kg |
| Dimensions | 42x42x100 mm |
| Warranty | 6 months |
| Certifications | CE, UL, CUL |
| SKU / MPN | LK-G400 |
| What’s in the box | Laser sensor unit, mounting bracket, connection cable, instruction manual |
| Measurement Method | Laser triangulation |
| Measurement Range | ±1.0 mm |
| Resolution | 0.1 μm |
| Response Time | 1 ms |
| Output Signal | Analog 0-10 V DC |
| Protection Rating | IP67 |
Key benefits: Sub-micron measurement resolution, fast response time, compact sensor design, stable performance, easy system integration, robust industrial construction.
Typical applications: Automated inspection, height and thickness measurement, surface displacement monitoring, assembly line verification, semiconductor and electronics manufacturing, automotive component measurement.
Lifecycle: Active – New
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.








Mark O. –
Arrived in perfect condition. Ran diagnostics, all outputs nominal.