Free Shipping on orders over $500

Spectra Precision UL633N-BCC Universal Laser
X-axis ±25%, Y-axis ±10% (±5°43') Range
Cover large layout jobs with a X-axis ±25%, Y-axis ±10% (±5°43') working reach.
±1 arc second electronically Accuracy
Hold grade with a ±1 arc second electronically accuracy rating.
Battery Life
Runs on Up to 70 hours on NiMH rechargeable pack for jobsite flexibility.
Authorized Spectra Precision Dealer
Genuine, factory-fresh Spectra Precision equipment with legitimate firmware and calibration documentation.
Eliminates the grade checker
Grade checkers cost $600-800/day. A rotary laser setup pays for itself in weeks and works indefinitely.
Authorized Dealer
Genuine equipment sourced straight from manufacturer partners.
Ships Same Day
Orders placed before 2 PM CT leave the dock today.
Genuine Gear
Factory-fresh, authentic units with legitimate firmware.
Best-Price Guarantee
Authorized-dealer pricing on every unit — request a quote anytime.
Kit Builder
Not sure what goes with this rotary laser?
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 Spectra Precision UL633N-BCC?
The Spectra Precision UL633N-BCC Universal Laser is a professional-grade rotating laser system designed for construction layout and site leveling applications. This Class 3R laser delivers ±1 arc second electronic grade accuracy with a working range up to 2,600 ft diameter and operates for up to 70 hours on rechargeable NiMH batteries. It's available from Express Tools.
What contractors use this rotary lasers for
Precision Surveying and Boundary Establishment
Professional surveyors deploy the 90550 to support transit instruments and laser equipment during boundary surveys, property line establishment, and topographic mapping. The certified accuracy and rigid support ensure measurements meet legal standards and maintain consistency across multi-day projects.
Construction Layout and Stakeout
General contractors and layout crews use this tripod to establish building lines, column centerlines, and grade elevations with the precision required by structural and concrete specifications. Quick clamp adjustments allow rapid repositioning as layout progresses across large projects.
Grading and Elevation Control
Grading contractors mount laser levels and grade rods on the 90550 to establish precise elevation control and monitor cut/fill operations. Fiberglass vibration damping prevents equipment vibration from introducing errors during critical elevation readings on active jobsites.
Site Preparation and Machine Control
Site prep crews use the 90550 to support control points and elevation references for grader and dozer operators working within tight tolerance windows. The tripod's stability on uneven ground ensures reference points remain accurate throughout the grading operation.
High-Accuracy Laser Level Operations
When setting up rotary laser levels for grade control on large projects, contractors rely on the 90550's exceptional rigidity to maintain laser plane accuracy over extended working periods. The quick clamp enables rapid setup changes without compromising the precision required for concrete pours and finish grading.
Product Description
The Most Versatile Spectra Laser, Configured for Crews with Existing Detector Systems
The Spectra Precision UL633N-BCC gives professional contractors the most capable rotating laser in the Spectra lineup—without paying twice for equipment you already own. This laser-only bundle includes the UL633N laser head, rechargeable NiMH battery pack, charger, and a padded carrying case, making it the ideal choice for crews who already run compatible Spectra receivers and remote controls on the job. Whether you're grading a parking lot, setting drain lines, or shooting elevations across a large floor pour, the UL633N delivers the precision and versatility to handle it all from a single instrument.
Overview & Jobsite Applications
The UL633N is Spectra Precision's top-tier universal laser, engineered for contractors who demand complete axis control in a single instrument. Unlike fixed-grade lasers, the UL633N provides independent electronic control of both the X and Y axes, enabling true dual-axis slope work without manual adjustment. The self-leveling range of ±10% (5°43') combined with a grade range of ±25% means this tool transitions seamlessly from flat slab work to aggressive drainage grades. Operating at up to 2,600 ft diameter range (with compatible receiver), it's built for large commercial sites where accuracy at distance is non-negotiable. The 600 RPM rotation speed ensures consistent beam visibility, and the rugged housing meets IP66 standards for dust and water resistance—ready for whatever the site throws at it.
Key Specifications
- Model: UL633N-BCC (Laser, Battery, Charger & Case)
- Grade Range: X-axis ±25%, Y-axis ±10% (±5°43')
- Self-Leveling Range: ±10% (±5°43')
- Grade Accuracy: ±1 arc second electronically
- Working Range: Up to 2,600 ft diameter with compatible detector
- Rotation Speed: 200 / 400 / 600 RPM (selectable)
- Laser Class: Class 3R, 635 nm visible red beam
- Battery Life: Up to 70 hours on NiMH rechargeable pack
- IP Rating: IP66 dust- and waterproof
- Operating Temperature: -20°C to +50°C (-4°F to +122°F)
- Weight: 4.4 lbs (instrument only)
What's in the Kit
- Spectra Precision UL633N Universal Laser Instrument
- Rechargeable NiMH Battery Pack
- AC Battery Charger
- Padded Carrying Case
- Note: Detector, remote control, and tripod sold separately
Job Applications
Site Grading & Earthwork: The dual-axis grade capability lets operators dial in precise cross-slopes and longitudinal grades simultaneously—essential for parking lots, athletic fields, and road subgrade work where drainage tolerances are tight.
Concrete Flatwork & Floor Pours: Set horizontal reference and confirm elevations at distance across large slabs. The high-accuracy grade readout eliminates the guesswork in getting floors within spec before the pour sets.
Underground Utility & Drainage Installation: Use Y-axis slope control to establish consistent pipe grades for storm drain, sanitary sewer, and utility trench work. Pair with a compatible remote to adjust grade without leaving the trench.
Foundation & Structural Layout: Switch to vertical plane mode for wall plumb references and column layout on commercial and industrial foundation projects.
Compatible Accessories
- Spectra Precision HL760 Laser Detector
- Spectra Precision HL700 Series Detectors
- Spectra Precision RC602 Remote Control
- Spectra Precision RC402 Remote Control
- Heavy-Duty Tripod for Rotating Lasers
- Grade Rod with Detector Clamp
Related Guides
- How to Set Dual-Axis Grade with the UL633N
- Choosing the Right Spectra Laser for Your Application
- Spectra Precision Detector Compatibility Guide
- Rotating Laser Maintenance & Calibration Tips
Frequently Asked Questions
- Does this kit include a detector or remote control?
- No. The UL633N-BCC is a laser-only configuration that includes the UL633N instrument, rechargeable NiMH battery, AC charger, and padded case. Detectors such as the HL760 and remotes like the RC602 are sold separately, making this the right choice for crews who already own compatible Spectra accessories.
- What detectors are compatible with the UL633N?
- The UL633N is compatible with Spectra Precision HL700 and HL760 series laser detectors, as well as other Spectra-approved receivers. For remote control operation, the RC402 and RC602 remotes are fully compatible. Contact Express Tools if you need help confirming compatibility with detectors you already own.
- Can the UL633N set slope in two directions at the same time?
- Yes. The UL633N features independent electronic X and Y axis grade control, allowing you to set a simultaneous cross-slope and longitudinal grade. The X-axis handles up to ±25% grade while the Y-axis covers ±10%, making it one of the most capable dual-axis lasers available for grading and drainage work.
- What is the battery life on the included NiMH pack?
- The included rechargeable NiMH battery pack provides up to 70 hours of runtime under normal operating conditions. The AC charger is included in this kit so you can recharge overnight and be ready for a full day on the jobsite.
Why This Equipment
Auto Self-Leveling
Compensates for job site movement and setups — no manual leveling required.
Long Range
Reach 2,600+ ft with a receiver — covers large pads and site-wide grading without moving.
IP55+ Protection
Dust-tight and water jet resistant — built for outdoor construction in any weather.
Radio Remote
Change grade or elevation from the cab or anywhere on site without walking back.
What's In The Box
- SECO 90550 Tri-Max Standard Quick Clamp Fiberglass Instrument Tripod
The right rotary laser pays for itself in weeks.
A grade checker costs $600–800 per day. A quality rotary laser setup eliminates that cost indefinitely — and works faster. One operator with a good laser and receiver can cover ground that used to take a two-person crew.
The gap between a budget unit and a professional-grade one shows up in the field: self-leveling range on uneven pads, IP55+ protection through rain and dust, and radio remote control so you're not walking back to the instrument every time the job moves.
Express Tools is an authorized dealer with genuine, factory-fresh inventory and same-day shipping on in-stock units. We know this equipment and can answer spec questions before you order.
Specifications
Technical Specs
Manufacturer data and field-verified measurements.
| Model | UL633N-BCC (Laser, Battery, Charger & Case) |
|---|---|
| Grade Range | X-axis ±25%, Y-axis ±10% (±5°43') |
| Self-leveling Range | ±10% (±5°43') |
| Grade Accuracy | ±1 arc second electronically |
| Working Range | Up to 2,600 ft diameter with compatible detector |
| Rotation Speed | 200 / 400 / 600 RPM (selectable) |
| Laser Class | Class 3R, 635 nm visible red beam |
| Battery Life | Up to 70 hours on NiMH rechargeable pack |
| IP Rating | IP66 dust- and waterproof |
| Operating Temperature | -20°C to +50°C (-4°F to +122°F) |
| Weight | 4.4 lbs (instrument only) |
Built for Spectra Precision equipment owners
Log every grade shot from this laser
Gradelog turns your rotary laser workflow into documented, defensible field records — grade shots, photos, and as-builts tied to each job.
- Grade shot logging with cut/fill
- Calibration reminders for this instrument
- AI field assistant for setup questions
Customers Also Bought
Common Issues & Error Codes
Frequently Asked Questions
Customer Reviews
No reviews yet — be the first.
Loading reviews…
Spectra Precision UL633N-BCC Universal Laser
$2720.00

Free 30 days with every Express Tools purchase
Your equipment. Your data. All in one place.
Gradelog is the field-execution platform built for grading and earthwork crews. Log grade shots, track cut/fill, document phases with photos, and generate as-built reports — from the cab to the office.
- Grade shots & cut/fill tracking per job
- Photo documentation by phase, task, and equipment
- As-built reports ready for inspector sign-off
- AI field assistant — troubleshoot on the jobsite

Built by the same team as Express Tools
Try Free →30 days
Free trial
8 languages
Supported
iPhone + Android
Works on




