The Topcon RL-HV1S Rotary Laser Kit is a professional-grade solution built for contractors who need reliable horizontal and single-grade leveling without the setup hassle. Bundled with the LS-100D digital receiver and rechargeable battery pack, this kit arrives job-ready for grading, excavation, foundation layout, and interior finishing work. With a working diameter of up to 2,600 feet and self-leveling accuracy of ±5 arc seconds, the RL-HV1S delivers the consistency and range that commercial and residential contractors demand day in and day out.
Product Overview & Jobsite Applications
Engineered by Topcon — a globally trusted name in precision measurement — the RL-HV1S combines horizontal and single-slope grade capability in a rugged, IP66-rated housing. Whether you're setting grades for a drainage swale, establishing foundation elevations, or leveling interior concrete pours, this laser handles the workload with minimal operator intervention. The automatic self-leveling system activates within a ±5° range, and the instrument alerts immediately if it's bumped out of level, protecting the integrity of your layout data. The rechargeable battery kit reduces long-term operating costs and keeps the unit running up to 60 hours per charge under normal conditions.
Key Specifications
- Model: Topcon RL-HV1S (SKU: Topcon-RL-HV1S-RB | Part No. 1051612-29)
- Accuracy: ±5 arc seconds (self-leveling)
- Self-Leveling Range: ±5°
- Working Diameter: Up to 2,600 ft (800 m) with receiver
- Grade Range: 0% to ±10% single-slope grade
- Rotation Speed: 300 / 600 / 1,200 RPM (selectable)
- IP Rating: IP66 — dust-tight and water-jet resistant
- Battery Life: Up to 60 hours (rechargeable battery pack)
- Laser Class: Class 3R, 635 nm visible red beam
- Operating Temperature: -4°F to 122°F (-20°C to 50°C)
What's in the Kit
- Topcon RL-HV1S self-leveling single-grade rotary laser
- LS-100D digital laser receiver with clamp
- Rechargeable battery pack and AC charger
- Carrying case for secure transport and storage
- Operator's manual and documentation
Job Applications
Site Grading & Earthwork: Set consistent slope grades across large excavation areas with single-grade mode. The 2,600 ft working range means one instrument setup covers most residential and mid-size commercial sites.
Foundation & Concrete Flatwork: Establish precise elevation benchmarks for footings, slabs, and poured walls. The ±5 arc second accuracy ensures flatwork meets spec without costly rework.
Interior Finish & Drop Ceiling Layout: Slow the rotation speed and use the horizontal plane to set level references for suspended ceilings, door frames, and partition walls across large floor plates.
Drainage & Utility Trenching: Dial in single-slope grade for pipe runs, drainage channels, and utility trenches where consistent fall is critical for system performance and code compliance.
Compatible Accessories
- Topcon LS-100D Replacement Laser Receiver
- Topcon RC-400 Remote Control for RL Series Lasers
- Topcon Rechargeable Battery Pack (BT-67Q Compatible)
- Universal Heavy-Duty Tripod for Rotary Lasers
- Laser Grade Rod with Receiver Clamp
Related Guides
- How to Set Grade with a Single-Slope Rotary Laser
- Rotary Laser vs. Line Laser: Which Do You Need?
- How to Use a Laser Receiver on a Grade Rod
- Topcon RL-HV1S Setup and Calibration Guide
Frequently Asked Questions
- What is the difference between the RL-HV1S and the standard RL-H5A?
- The RL-HV1S adds single-slope grade capability (0% to ±10%), whereas the RL-H5A is a horizontal-only laser. If your work involves grading, drainage, or sloped slabs, the RL-HV1S is the more versatile choice.
- Does the RL-HV1S work outdoors in bright sunlight?
- Yes — the included LS-100D digital receiver is designed to detect the laser beam in full sunlight at ranges where the beam is invisible to the naked eye, extending the effective working range to 2,600 ft in diameter.
- How long does the rechargeable battery last on a single charge?
- Under typical operating conditions, the rechargeable battery pack delivers up to 60 hours of runtime. Actual life varies with rotation speed and ambient temperature.
- Is the Topcon RL-HV1S covered by a warranty?
- Yes. Topcon backs the RL-HV1S with a manufacturer's warranty covering defects in materials and workmanship. Express Tools is an authorized Topcon dealer, so your warranty registration is fully supported. Contact us for current warranty terms.
Frequently Asked Questions
What is the difference between the RL-HV1S and the standard RL-H5A?
The RL-HV1S adds single-slope grade capability ranging from 0% to ±10%, whereas the RL-H5A is a horizontal-only rotary laser. If your projects involve grading, drainage slopes, or sloped concrete flatwork, the RL-HV1S provides the additional versatility you need.
Does the Topcon RL-HV1S work outdoors in bright sunlight?
Yes. The bundled LS-100D digital laser receiver is engineered to detect the red laser beam in full outdoor sunlight conditions, extending the effective working range up to 2,600 feet in diameter — well beyond what the naked eye can detect.
How long does the rechargeable battery last on a single charge?
The rechargeable battery pack included in this kit provides up to 60 hours of runtime under normal operating conditions. Runtime may vary based on rotation speed settings and ambient temperature extremes.
Is the Topcon RL-HV1S covered by a manufacturer's warranty?
Yes. Topcon provides a manufacturer's warranty on the RL-HV1S covering defects in materials and workmanship. As an authorized Topcon dealer, Express Tools fully supports your warranty registration and claim process. Contact our team for current warranty details and service options.