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Topcon RL-200 2S-BCA Dual Slope Grade Laser Package Laser
±10% Range
Cover large layout jobs with a ±10% working reach.
±1 mm at 10 m (±3/32" at 30 ft) Accuracy
Hold grade with a ±1 mm at 10 m (±3/32" at 30 ft) accuracy rating.
Slope Range (y-axis)
Handles ±10% so crews can match design slopes.
Power Source
Runs on Rechargeable battery pack (included) for jobsite flexibility.
Continuous grade control, no stakes
Eliminates grade staking between passes. One operator on the machine vs. 2-3-person conventional crew.
Authorized Dealer
Genuine equipment sourced straight from manufacturer partners.
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Factory-fresh, authentic units with legitimate firmware.
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Kit Builder
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Answer a few job questions and our Kit Builder assembles the full setup — receiver, rod, tripod, and case matched to your workflow.
Quick Answer
What is the Topcon RL-200?
The Topcon RL-200 2S-BCA is a professional dual slope grade laser system designed for construction layout and grading applications. This laser and case package delivers ±1 mm accuracy at 10 m with dual slope capability up to ±10% on both axes, IP66 dust and water resistance, and a working radius up to 800 m with a compatible receiver. It's available from Express Tools.
What contractors use this grade lasers for
Motor Grader Control
Automatic blade control for road base and subgrade
Dozer Earthwork
Push-to-grade for rough cut and finish passes
Pipe Trench Grading
Set trench bottom elevation for gravity pipe installation
Drainage Work
Parking lot drainage, swales, retention basins
Product Description
The Topcon RL-200 2S Dual Slope Grade Laser (314920712-BCA) delivers the precision two-axis slope control that serious grading contractors demand. Whether you're laying out a commercial parking lot, establishing drainage fall on an agricultural field, or setting complex sub-grade for a building pad, the RL-200 2S lets you dial in independent X and Y slopes simultaneously—eliminating the guesswork and saving hours of grade-checking time. This BCA package includes the laser unit, Topcon's rechargeable battery system, and a rugged protective carrying case. A compatible receiver is sold separately, giving you the flexibility to match the detector to your specific application.
Overview & Jobsite Applications
The RL-200 2S is engineered for contractors who regularly tackle grading work that goes beyond simple single-plane applications. Its dual-slope functionality means you can set a cross-slope and a longitudinal slope at the same time, replicating real-world site conditions where water must sheet off in two directions. The laser broadcasts a 360-degree rotating beam with a working radius suited to large open jobsites, and its robust self-leveling system keeps the plane accurate even as conditions change through the workday. From concrete flatwork to earthwork and irrigation grading, the RL-200 2S is built to perform in demanding outdoor environments.
Key Specifications
- Model: Topcon RL-200 2S
- SKU / Part Number: 314920712-BCA
- Slope Range (X-Axis): ±10%
- Slope Range (Y-Axis): ±10%
- Self-Leveling Range: ±5°
- Rotation Speed: 300 / 600 / 1200 RPM selectable
- Working Radius: Up to 800 m (2,600 ft) diameter with compatible receiver
- Grade Accuracy: ±1 mm at 10 m (±3/32" at 30 ft)
- Laser Class: Class 3R, 635 nm visible red
- Power Source: Rechargeable battery pack (included)
- Battery Life: Approximately 60+ hours on rechargeable pack
- IP Rating: IP66 dust and water resistant
- Remote Control: Compatible with Topcon remote control accessories
What's in the Kit
- Topcon RL-200 2S dual slope rotating laser unit
- Rechargeable battery pack (BCA configuration)
- Battery charger
- Protective hard-shell carrying case
- Operator's manual
- Receiver not included — select a compatible Topcon detector separately
Job Applications
Parking Lots & Paved Surfaces: Set cross-slope and longitudinal grade simultaneously to ensure proper stormwater runoff across the entire paved surface. The RL-200 2S eliminates the need for multiple setups and reduces grade-stake labor significantly.
Building Pads & Slab Prep: Establish a perfectly graded sub-base with controlled slope in both axes before pouring concrete. Consistent grade translates directly to reduced material waste and fewer finishing corrections.
Drainage & Irrigation Channels: Agricultural and site-utility contractors use the dual-slope capability to grade drainage swales and irrigation channels that must maintain precise fall in two directions across wide open terrain.
Highway & Road Construction: Set superelevation and longitudinal grade simultaneously for road base work, shoulder grading, and ditch profiles—keeping the machine operator on grade without constant manual checks.
Compatible Accessories
- Topcon LS-100D Machine Control Receiver
- Topcon RD-1NX Digital Readout Receiver
- Topcon RC-400 Wireless Remote Control
- Topcon LS-80L Laser Detector with Rod Clamp
- Heavy-Duty Tripod for Grade Lasers
- Topcon Replacement Rechargeable Battery Pack
Related Guides
- How to Set Dual Slope on a Rotating Grade Laser
- Choosing the Right Laser Receiver for Grade Work
- Grade Laser vs. Level Laser: Which Do You Need?
- Topcon RL-200 Series Comparison Guide
Frequently Asked Questions
- Does this package include a laser receiver?
- No. The 314920712-BCA kit includes the RL-200 2S laser, rechargeable battery pack, charger, and carrying case. A compatible receiver such as the Topcon LS-100D or RD-1NX must be purchased separately depending on your application.
- What is the maximum slope range the RL-200 2S can handle?
- The RL-200 2S supports up to ±10% grade on both the X and Y axes independently, making it suitable for the vast majority of commercial and civil grading applications including parking lots, athletic fields, and drainage systems.
- Can the RL-200 2S be used with a machine control system?
- Yes. When paired with a compatible Topcon machine control receiver such as the LS-100D, the RL-200 2S integrates into blade and bucket control systems for motor graders, dozers, and scrapers, improving grade efficiency and cut/fill accuracy.
- Is the Topcon RL-200 2S suitable for use in rain or dusty conditions?
- Yes. The RL-200 2S carries an IP66 rating, meaning it is fully protected against dust ingress and resistant to heavy water jets. It is designed for all-day use in typical outdoor construction environments.
Why This Equipment
Dual Grade Control
Control two slopes simultaneously for crowns, swales, and complex drainage layouts.
Machine Ready
Pairs with machine receivers for dozer, grader, and scraper grade control.
IP67 Rated
Weatherproof for outdoor use in rain, dust, and construction site conditions.
High Accuracy
±0.1mm/m grade accuracy — holds tolerance through a full working day.
Continuous grade control. No continuous labor.
Grade stakers cost $50–80/hr and disappear between passes. A dual-slope grade laser installs once and controls your blade automatically — through every cut, every fill, every pass. That's the math that makes grade lasers one of the fastest ROI investments in earthwork.
Professional contractors specify dual-grade systems for a reason: single-grade units work for straight drainage. The moment a job has a crown, a swale, or a complex parking lot slope — you need dual-grade.
Buying from Express Tools means authorized, factory-fresh inventory, legitimate firmware, and technical knowledge when you need it.
Specifications
Technical Specs
Manufacturer data and field-verified measurements.
| Model | Topcon RL-200 2S |
|---|---|
| SKU / Part Number | 314920712-BCA |
| Slope Range (x-axis) | ±10% |
| Slope Range (y-axis) | ±10% |
| Self-leveling Range | ±5° |
| Rotation Speed | 300 / 600 / 1200 RPM selectable |
| Working Radius | Up to 800 m (2,600 ft) diameter with compatible receiver |
| Grade Accuracy | ±1 mm at 10 m (±3/32" at 30 ft) |
| Laser Class | Class 3R, 635 nm visible red |
| Power Source | Rechargeable battery pack (included) |
| Battery Life | Approximately 60+ hours on rechargeable pack |
| IP Rating | IP66 dust and water resistant |
| Remote Control | Compatible with Topcon remote control accessories |
| Grade Range | ±10% |
| Working Range | Up to 800 m (2,600 ft) diameter with compatible receiver |
| Power | Rechargeable battery pack (included) |
Built for Topcon equipment owners
Document machine-control grading
Track blade passes, log finished grade, and produce as-built reports your inspector will accept — straight from the cab or the field.
- Bid-vs-actual production tracking
- Photo documentation per pass
- Calibration & service history
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Topcon RL-200 2S-BCA Dual Slope Grade Laser Package Laser
$2850.00

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