Professional-Grade Horizontal & Dual Vertical Plane Laser System
The SitePro 27-LR430HDV Horizontal Rotary Laser Package gives contractors a single instrument capable of handling horizontal grading references and two independent 90-degree vertical laser planes simultaneously. Whether you're establishing subgrade elevation across an open site, aligning stud walls, or transferring plumb points up a multi-story structure, this system eliminates the need to swap instruments or reposition your setup. Express Tools stocks this package with everything you need to be productive on day one.
Jobsite Overview & Applications
Designed for site prep, foundation work, interior framing, and commercial build-out, the LR430HDV operates in both indoor and outdoor environments. The self-leveling mechanism compensates for out-of-level conditions up to 5 degrees, letting crews focus on layout rather than instrument setup. The high-visibility rotating beam is detectable with the included receiver at distances exceeding 1,000 feet in open-air conditions, making this unit equally at home on large grading sites and confined interior pours.
Key Specifications
- Model: SitePro 27-LR430HDV
- Laser Class: Class IIIa, 635nm red beam
- Self-Leveling Range: ±5° automatic compensation
- Leveling Accuracy: ±1/16 in. at 100 ft.
- Working Range: Up to 1,000 ft. diameter with receiver
- Rotation Speed: 150, 300, 600 RPM selectable
- Vertical Planes: Dual independent 90° vertical planes
- Battery Life: Up to 60 hours on 4 D-cell batteries
- IP Rating: IP54 dust and splash resistant
- Operating Temperature: -4°F to 122°F (-20°C to 50°C)
What's in the Kit
- SitePro 27-LR430HDV rotary laser unit
- Laser receiver with remote display and clamp
- Heavy-duty carrying case with foam insert
- Rechargeable battery pack and AC charger
- 4 D-cell battery adapter tray
- Laser target card
- Tripod mounting adapter (5/8 in. x 11 thread)
- Operator's manual and calibration certificate
Job Applications
Site Grading & Earthwork: Set the horizontal plane reference for cut-and-fill operations across large pads. The 1,000-ft. working diameter means fewer instrument moves per shift, keeping machine operators on grade without waiting for manual checks.
Foundation & Flatwork Layout: Use the horizontal plane to control slab pours and footing elevations. Engage the dual vertical planes to square up form boards and transfer column centerlines without a second instrument on site.
Interior Framing & Partition Layout: Drop rotation speed to 150 RPM for a brighter visible beam in low-light interiors. Project both vertical planes simultaneously to snap parallel partition lines and confirm squareness of framed openings.
Mechanical, Electrical & Plumbing Rough-In: Align drop-ceiling grids, duct runs, and conduit hangers to a consistent elevation reference. The dual vertical planes allow MEP crews to establish independent reference lines on opposing walls without relocating the instrument.
Compatible Accessories
- SitePro Heavy-Duty Aluminum Tripod
- SitePro Grade Rod & Laser Target
- Replacement Rechargeable Battery Pack
- SitePro Laser Receiver Upgrade (Long-Range)
- Wall Mount Bracket for Rotary Lasers
Related Guides
- How to Set Up a Rotary Laser for Site Grading
- Horizontal vs. Dual-Plane Rotary Lasers: Which Do You Need?
- Rotary Laser Receiver Pairing & Troubleshooting Guide
- Rotary Laser Calibration & Field Verification Checklist
Frequently Asked Questions
- Can the SitePro 27-LR430HDV operate all three planes at the same time?
- Yes. The LR430HDV can project the horizontal grade plane and both 90-degree vertical planes simultaneously, allowing grade elevation, wall alignment, and plumb transfer to be checked in a single instrument setup without switching modes.
- What receiver is included, and what is the detection range?
- The package includes SitePro's standard dual-sided laser receiver. Detection range extends to approximately 1,000 feet in diameter under typical outdoor conditions. For larger open sites, an upgraded long-range receiver is available separately.
- Does the unit self-level automatically, or does it require manual adjustment?
- The LR430HDV features automatic self-leveling within a ±5-degree range. If the instrument is set up beyond that compensation window, an audible alarm and beam shutdown alert the operator before any inaccurate readings can occur.
- Is this laser safe to use indoors around other trades?
- The LR430HDV uses a Class IIIa red laser beam, which is standard for professional rotary lasers. Direct eye contact with the beam should always be avoided, but it is compliant with regulations for professional use in occupied jobsite environments when standard laser safety practices are followed.
