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Spectra Precision LL300S-8 Laser level Package with HR320 Receiver
±5° automatic Range
Cover large layout jobs with a ±5° automatic working reach.
±1/16 in. at 100 ft (1.5mm at 30m) Accuracy
Hold grade with a ±1/16 in. at 100 ft (1.5mm at 30m) accuracy rating.
Power Source
Runs on 4 x D-cell alkaline batteries 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 LL300S-8?
The Spectra Precision LL300S-8 Laser level Package with HR320 Receiver is a professional-grade rotating laser level designed for contractors who need reliable layout and leveling on job sites. It delivers ±1/16 in. accuracy at 100 ft with a working range up to 2,000 ft diameter when used with the HR320 receiver. It's available from Express Tools.
What contractors use this rotary lasers for
Site Grading
Cut/fill earthwork, building pad preparation, base compaction
Concrete Flatwork
Slab pours, floor leveling, tilt-up panel layout
Machine Control
Grade control reference for motor graders and scrapers
Foundation Layout
Benchmark elevation transfer, footing forms, stem walls
Product Description
The Spectra Precision LL300S-8 is a fully automatic self-leveling rotary laser designed for contractors and field crews who demand reliable medium-range performance across a wide range of jobsite conditions. Paired with the HR320 laser receiver, this kit delivers a complete, ready-to-work solution for grading, excavation, foundations, and general site layout. Built on Spectra Precision's trusted platform, the LL300S-8 combines rugged construction with straightforward operation — ideal for professionals who need to set up fast and stay on grade all day.
Overview & Jobsite Applications
The LL300S-8 is engineered for medium-range outdoor applications where accuracy, speed, and durability are non-negotiable. Whether you're leveling a building pad, cutting grade for a drainage swale, or setting elevations across a large site, this rotary laser delivers consistent performance in demanding environments. The instrument self-levels quickly within its working range, and its automatic tilt lock-out protects your work by shutting off the beam if the laser is bumped out of level — preventing costly errors from undetected instrument movement.
Key Specifications
- Accuracy: ±1/16 in. at 100 ft (1.5mm at 30m)
- Self-Leveling Range: ±5° automatic
- Working Range (with receiver): Up to 2,000 ft (600m) diameter
- Rotation Speed: 600 RPM standard operating speed
- Beam Type: Red beam, 635nm wavelength
- Dust & Water Protection: IP54-rated housing
- Power Source: 4 x D-cell alkaline batteries
- Battery Life: Up to 100 hours typical use
- Operating Temperature: -20°C to +50°C (-4°F to +122°F)
- Tripod Mount: 5/8 in. x 11 thread
What's in the Kit
- Spectra Precision LL300S-8 Rotary Laser Level
- HR320 Laser Receiver with clamp
- Carrying case for secure transport and storage
- Alkaline battery set (D-cell)
- Operator's manual and quick-start documentation
Job Applications
Grading & Excavation: Set precise cut-and-fill grades across large open sites. Machine operators can mount the HR320 receiver on grade rods or equipment masts for accurate real-time elevation feedback during earthmoving operations.
Foundation Layout: Establish consistent elevation benchmarks around a building perimeter to ensure footing forms are set level before concrete is poured, reducing rework and material waste.
Drainage & Utility Work: Control slope on drainage channels, storm lines, and utility trenches by using the receiver with a grade rod for fast, repeatable elevation checks across long runs.
General Site Layout: Use the LL300S-8 as a reliable elevation control instrument for rough framing, slab prep, curb and gutter work, and any application requiring a consistent horizontal reference plane across the jobsite.
Compatible Accessories
Frequently Asked Questions
- Does the LL300S-8 work outdoors in bright sunlight?
- Yes. When used with the included HR320 laser receiver, the LL300S-8 is effective in full daylight conditions at ranges up to 2,000 ft (600m) diameter. The receiver detects the red beam even when it is not visible to the naked eye, making it fully practical for outdoor construction work.
- What happens if the laser gets bumped out of level?
- The LL300S-8 features an automatic tilt lock-out system. If the instrument is disturbed beyond its ±5° self-leveling range, the laser beam shuts off automatically and an indicator alerts the operator. This prevents you from working off an out-of-level reference without knowing it.
- Can I use this laser for interior work like drop ceilings or wall framing?
- While the LL300S-8 is optimized for medium-range exterior and site work, it can be used indoors in lower-light conditions where the red beam is more visible. However, for dedicated interior finish work, a line laser or shorter-range instrument may be more practical.
- Is the LL300S-8 compatible with Spectra Precision machine control accessories?
- The LL300S-8 is compatible with a range of Spectra Precision receivers and accessories, including the RC601 remote control. For full machine control integration on grading equipment, consult with an Express Tools specialist to confirm compatibility with your specific setup.
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.
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.
| Accuracy | ±1/16 in. at 100 ft (1.5mm at 30m) |
|---|---|
| Self-leveling Range | ±5° automatic |
| Working Range (with Receiver) | Up to 2,000 ft (600m) diameter |
| Rotation Speed | 600 RPM standard operating speed |
| Beam Type | Red beam, 635nm wavelength |
| Dust & Water Protection | IP54-rated housing |
| Power Source | 4 x D-cell alkaline batteries |
| Battery Life | Up to 100 hours typical use |
| Operating Temperature | -20°C to +50°C (-4°F to +122°F) |
| Tripod Mount | 5/8 in. x 11 thread |
| Working Range | Up to 2,000 ft (600m) diameter |
| IP Rating | IP54-rated housing |
| Power | 4 x D-cell alkaline batteries |
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
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Spectra Precision LL300S-8 Laser level Package with HR320 Receiver
$1195.00
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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
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