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Spectra Precision LR30W-2 Machine Display Receiver w/ Wireless Capable Feature
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Up to 1,300 feet (400m) diameter with HV302 or LL500 lasers Range
Cover large layout jobs with a Up to 1,300 feet (400m) diameter with HV302 or LL500 lasers working reach.
±1/8 inch (3mm) at 100 feet Accuracy
Hold grade with a ±1/8 inch (3mm) at 100 feet accuracy rating.
Power
Runs on 12V DC vehicle power or optional battery pack for jobsite flexibility.
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Genuine, factory-fresh Spectra Precision equipment with legitimate firmware and calibration documentation.
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Quick Answer
What is the Spectra Precision LR30W-2?
The Spectra Precision LR30W-2 Machine Display Receiver w/ Wireless Capable Feature is a wireless-enabled machine control display for professional grade laser leveling systems. It detects laser signals up to 1,300 feet in diameter and displays precise on-grade, above-grade, and below-grade positioning with ±1/8 inch accuracy at 100 feet. It's available from Express Tools.
What contractors use this laser receivers for
Construction Layout
Precise positioning for structural and civil work
As-Built Documentation
Field-verified position records for project closeout
Grade Verification
Confirm elevations against design before pouring or paving
Product Description
Overview
The Spectra Precision LR30W-2 Machine Display Receiver transforms earthmoving equipment into precision grading machines with wireless laser communication capability. Designed specifically for dozer, scraper, and excavator applications, this compact receiver mounts directly to blade or bucket systems to provide real-time elevation guidance without cumbersome cables. The LR30W-2 features a rugged, machine-mountable design that withstands the harsh jobsite environment while delivering precise grade information to the machine operator. Its wireless capability eliminates cable damage concerns and simplifies installation, making it ideal for high-production earthwork operations where accuracy and durability are paramount. With dual-laser capability and intuitive LED display feedback, operators achieve grade accuracy within ±1/8 inch, significantly reducing over-excavation, minimizing material costs, and accelerating project completion. The receiver works seamlessly with Spectra rotating lasers to establish grade control on site cuts, fills, drainage work, and foundation preparation.Key Specifications
- Laser Detection Range: Up to 1,300 feet (400m) diameter with HV302 or LL500 lasers
- Accuracy: ±1/8 inch (3mm) at 100 feet
- Wireless Communication: Yes, 2.4 GHz frequency-hopping spread spectrum
- Display Type: High-visibility LED array with on-grade, above-grade, below-grade indicators
- Detection Window Height: 5.9 inches (150mm)
- Operating Temperature: -4°F to 140°F (-20°C to 60°C)
- Power: 12V DC vehicle power or optional battery pack
- Protection Rating: IP67 water and dust resistant
- Mounting: Universal bracket system for blade/bucket attachment
- Weight: 2.2 lbs (1.0 kg) without mounting hardware
- Cable Length: 16.4 feet (5m) display cable to in-cab control
- Compatibility: Works with all Spectra rotating lasers (HV302, HV302G, LL500, LL400 series)
What's in the Kit
- LR30W-2 Machine Display Receiver with wireless module
- RC802 In-Cab Remote Display with mounting bracket
- 16.4-foot (5m) receiver-to-display cable
- Universal mounting bracket for blade/bucket installation
- 12V DC power cable with vehicle adapter
- Wireless antenna and mounting hardware
- Protective receiver cover/sunshade
- Calibration card and quick-start guide
- Heavy-duty carrying case
- Two-year manufacturer's warranty documentation
Job Applications
- Dozer Rough Grading: Wireless capability eliminates cable snagging on debris during land clearing and initial site grading, while providing continuous elevation feedback for faster rough-cut operations and reduced fuel consumption from fewer passes.
- Excavator Trenching: Achieve precise trench depths for utility installation, drainage lines, and footings without constantly checking grade stakes—the LED display keeps operators on-grade in real-time, preventing costly over-excavation and backfill work.
- Scraper Operations: Maintain exact cut depths during mass earthwork operations where wireless communication prevents cable damage from material loading, ensuring consistent production and eliminating downtime from cable replacement.
- Foundation Preparation: Establish building pad elevations to within 1/8 inch accuracy, reducing the need for extensive hand-finishing and ensuring proper drainage away from structures before concrete placement.
- Parking Lot Subgrade: Create uniform subgrade elevations across large paving projects where precise depth control minimizes base material costs and prevents low spots that lead to premature pavement failure.
- Agricultural Land Leveling: Grade fields to consistent elevations for improved irrigation efficiency and crop yields—the wireless system allows uninterrupted operation across large acreage without repositioning cables or equipment.
Compatible Accessories
- Spectra HV302 Self-Leveling Rotating Laser
- Spectra HV302G Slope Laser with Dual Grade
- Spectra LL500 Long-Range Rotating Laser
- Heavy-Duty Receiver Mounting Clamps
- Telescoping Grade Masts for Excavators
- RC602 Remote Laser Controller
- Laser Detection Enhancement Glasses
- Extended Runtime Battery Packs
Related Guides
- Complete Guide to Machine Receiver Installation and Calibration
- Laser Grade Control Systems: Choosing the Right Setup for Your Equipment
- 5 Pro Tips for Faster, More Accurate Dozer Grading
- Wireless vs. Wired Machine Receivers: Which Is Right for Your Operation?
FAQ
- What's the advantage of wireless capability on the LR30W-2?
- The wireless feature eliminates physical cables between the receiver and remote laser controls, preventing cable damage from debris, equipment movement, or harsh conditions. This reduces downtime, maintenance costs, and allows operators to adjust laser settings from the cab without leaving the machine—particularly valuable on large sites or in extreme weather.
- Can I use the LR30W-2 with my existing Spectra laser?
- Yes, the LR30W-2 is compatible with all Spectra Precision rotating lasers including HV302, HV302G, LL500, and LL400 series models. The receiver detects the standard laser beam these units emit. However, to utilize the wireless communication features for remote laser control, you'll need a compatible Spectra laser with wireless capability or add the RC602 remote control unit.
- How accurate can I grade with this receiver on a dozer?
- The LR30W-2 provides elevation accuracy within ±1/8 inch (3mm) when properly calibrated and mounted. Actual grading accuracy depends on operator skill, machine hydraulic response, ground conditions, and blade wear. Most operators consistently achieve finished grades within ±1/4 inch on firm subgrade, which is suitable for most earthwork applications including building pads, parking lots, and drainage work.
- What's the detection range and will it work on large sites?
- The LR30W-2 detects laser signals up to 1,300 feet diameter (650-foot radius) when paired with high-powered lasers like the HV302 or LL500. This coverage handles most construction sites from a single laser setup. For maximum range, ensure the laser is positioned centrally, the receiver window is clean, and you're operating during favorable conditions—bright sunlight and dust reduce effective range.
Why This Equipment
Large Capture Window
Wide detection zone catches the laser beam at distance without precise aiming.
Radio Compatibility
Pairs directly with compatible transmitters for wireless grade control.
Jobsite Tough
Rubber-armored housing rated for drops, dust, and continuous outdoor use.
Grade Resolution
Fine grade detection down to 1/16" — the precision your job spec requires.
The right receiver extends your laser. A lot.
Most rotary and grade lasers ship without a receiver — because different jobs need different detection windows. A standard handheld receiver works for grading and site layout. Machine-mount receivers survive dozer and scraper duty.
Matching receiver to laser matters: grade resolution, radio compatibility, and capture-height window all affect how accurately you can work at distance. Using a mismatched receiver is the leading cause of grade errors that pass QC but fail inspection.
Express Tools stocks the receivers your laser manufacturer recommends — not just what fits in the box. We can tell you exactly which receiver pairs with your existing laser if you call.
Specifications
Technical Specs
Manufacturer data and field-verified measurements.
| Laser Detection Range | Up to 1,300 feet (400m) diameter with HV302 or LL500 lasers |
|---|---|
| Accuracy | ±1/8 inch (3mm) at 100 feet |
| Wireless Communication | Yes, 2.4 GHz frequency-hopping spread spectrum |
| Display Type | High-visibility LED array with on-grade, above-grade, below-grade indicators |
| Detection Window Height | 5.9 inches (150mm) |
| Operating Temperature | -4°F to 140°F (-20°C to 60°C) |
| Power | 12V DC vehicle power or optional battery pack |
| Protection Rating | IP67 water and dust resistant |
| Mounting | Universal bracket system for blade/bucket attachment |
| Weight | 2.2 lbs (1.0 kg) without mounting hardware |
| Cable Length | 16.4 feet (5m) display cable to in-cab control |
| Compatibility | Works with all Spectra rotating lasers (HV302, HV302G, LL500, LL400 series) |
| IP Rating | IP67 water and dust resistant |
Built for Spectra Precision equipment owners
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