The highly versatile Spectra Precision® HL450 laserometer is a great receiver for both basic and advanced leveling and aligning applications, providing you with an easy-to-use tool for accurate measuring elevations across the site. The HL450 is also ideal for use with any rotating transmitter.

Featuring a digital readout of elevation, the HL450 provides you with a numeric display of +/- 1.5 inches displayed on large front and rear LCDs and showing you exactly how far the elevation is from on-grade. You can get accurate measurements without moving the rod clamp to save yourself time and increase productivity.

HL450 User Guide

The HL450 also features a 4-inch reception height, which is double the usual industry standard. This allows you to quickly acquire the laser beam and makes it easier stay in the beam. A patented anti-strobe sensor prevents constriction lights from setting the HL450 off, eliminating phantom strikes and making it easier to identify true laser beam signals.

Waterproof, the HL450 is tough, having been designed to survive a drop of up to 5 feet onto concrete.


  • Setting and checking jobsite elevation and depth for:
  • Cut and fills
  • General grading
  • Foundations, forms, and footings
  • Excavations
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