Topcon LN-150 3D Layout Navigator

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3D Layout Tool

The LN-150 is a compact, self-leveling, easy-to-setup 3D layout tool designed for construction applications. Use the LN-150 in place of traditional methods such as tapes or other layout tools. Compact, rugged, and lightweight, the LN-150 is ideal for construction layout and as-builts.

Building Information Modeling (BIM)

Maintain coordination throughout your projects. Knowing what was done before and working from the same design plan is critical to keep on schedule and avoid costly collisions. With Topcon BIM solutions, you stay connected in the same design.


  • Building interiors
  • Mechanical, electrical, plumbing
  • Foundations and footings
  • Utilities and general layout
  • Construction layout


  • Rugged Compact Design
    • Small and lightweight
    • Waterproof/dustproof design
    • Easy to carry
    • Completely sealed housing
  • Easy Setup and Operation
    • On the ground or decking
    • Mounts on tripod or column clamp
    • Automatic self-leveling
    • Alerts user if disturbed
  • Advanced 3D Measuring and Layout
    • Built-in wireless or Bluetooth communication connectivity
    • 130m (984 ft) working range
    • Automatically turns to layout points
    • Tracks a standard prism
  • Easy to Perform As-Built Checks
    • Fast & accurate
    • Reliable quality control
    • Identify changes from original plans
    • Ensure accurate record keeping

Key Components

  • LN-150 3D Layout Navigator
  • New BDC72 batteries and CDC77 battery charger offer improved working duration
  • Carrying Case
  • Seamless cloud-connected workflows with Autodesk, Bentley, and MAGNET
  • MAGNET Construct optional


Angle Measurement
Horizontal Angle 360°
Vertical Angle +55° to -30°
Distance Measurement
Prism Tracking Range 130m
Accuracy ±3mm
Auto Level Leveling Range: 6°
Tilt Angle Compensation 12'
Wi-Fi 802.11 b/g/n
Bluetooth Class 1 LongLink™
Physical & Environmental
Dimensions 185 x 198 x 332mm
Dust/Water Protection IP65
Operating Temperature -20°C to 50°C
Laser Plummet Yes