Overview
The Spectra Precision LL500-14 Long Range Laser Package serves excavation contractors, site grading crews, and foundation specialists requiring continuous-grade control across expansive jobsites without interruption for battery changes. This configuration pairs the LL500 self-leveling rotary laser with the CR600 rod-mounted receiver and rechargeable NiMH battery system, delivering up to 100 hours of runtime on a single charge. Contractors managing multi-day concrete pours, large-scale earthwork, and pipe installation projects benefit from the field-chargeable power system that eliminates disposable battery logistics while maintaining ±1/8" accuracy at 100 feet. The 1,600-foot diameter working range with the CR600 receiver covers stadium foundations, detention basin grading, and highway projects where consistent reference elevation across extended distances prevents costly re-staking and measurement delays.
Key Specifications
- Accuracy: ±1/8 inch at 100 feet (±3mm at 30m)
- Working Range: 1,600-foot diameter with CR600 receiver
- Leveling System: Automatic self-leveling, ±5° range
- Rotation Speed: 0, 150, 300, 600, 900 RPM (variable)
- Power Source: Rechargeable NiMH battery pack (included)
- Battery Runtime: Up to 100 hours per charge
- Beam Type: Single-grade visible red laser
- Slope Capability: Manual X and Y-axis slope matching
- Operating Temperature: -4°F to 122°F (-20°C to 50°C)
- Receiver Type: CR600 rod-mount, front/back detection
- Receiver Accuracy: ±1/16 inch (±2mm) digital readout
- IP Rating: IP66 dust and water resistance
What's in the Kit
- LL500 self-leveling rotary laser transmitter
- CR600 rod-mount laser receiver with clamp
- Rechargeable NiMH battery pack for laser
- Battery charger with AC adapter
- RC601 remote control for laser functions
- Laser safety glasses (red-enhanced visibility)
- Heavy-duty hard-shell carrying case
- Operator manual and quick-start guide
- Calibration certificate
Job Applications
- Foundation Excavation and Formwork: Maintains consistent depth control across building footprints without re-measuring, while the rechargeable system eliminates battery runs during critical concrete pour schedules when grade verification cannot pause.
- Site Grading and Earthwork: The 1,600-foot range covers entire pad elevations for commercial developments, allowing dozer and scraper operators to work continuously from a single laser setup while the 100-hour battery life supports multi-shift operations without downtime.
- Drainage and Utility Trenching: Slope-matching capability establishes precise fall rates for sewer lines and stormwater pipes, with the rod-mount CR600 receiver providing instant depth readings that keep excavation on grade without string lines or frequent benchmarks.
- Concrete Slab Placement: Verifies screed elevation during large-slab pours where rechargeable power prevents mid-pour battery failures, while the remote control allows laser adjustment from the slab surface without returning to the tripod.
- Parking Lot and Roadway Grading: Long-range projection covers stadium parking expanses and subdivision streets from centralized setups, reducing instrument moves while the weatherproof IP66 rating withstands dust storms and rain common on exposed grading sites.
- Retaining Wall and Tiered Landscape Construction: Manual slope capability matches batter angles for segmental walls and terraced elevations, with the rechargeable system supporting extended layout sessions on custom residential projects where precision placement prevents costly block removal.
Compatible Accessories
Heavy-Duty Laser Tripods | Universal Receiver Clamps | Aluminum Grade Rods | Laser Targets and Catch Plates | Replacement NiMH Battery Packs | Protective Transport Cases
Related Guides
Rotary Laser Setup for Grading Projects | LL500 vs. LL400: Choosing the Right Spectra Laser | Laser Receiver Accuracy Verification Methods | Rechargeable vs. Alkaline Power for Continuous Operations
Frequently Asked Questions
- How long does the rechargeable battery take to fully charge, and can I use the laser while charging?
- The included NiMH battery pack requires approximately 5-6 hours for a full charge from depleted state. The LL500 cannot operate while connected to the charger—contractors running 24-hour operations should maintain a second charged battery pack for hot-swapping to ensure continuous laser availability during multi-shift grading or concrete placement work.
- What's the actual usable range in bright sunlight conditions without a detector?
- Visual line acquisition of the red laser beam in direct sunlight typically limits to 50-75 feet depending on ambient brightness. The CR600 receiver extends effective range to the full 1,600-foot diameter specification in all lighting conditions by electronically detecting the laser plane, making the receiver essential for outdoor construction applications beyond close-range interior work.
- Can the LL500-14 create dual-axis slopes for complex drainage applications?
- The LL500 features manual slope matching on both X and Y axes, allowing compound slope creation for drainage swales, valley gutters, and multi-directional site grading. Slopes are set using the laser's axis adjustment screws in conjunction with the CR600 receiver's elevation feedback—this manual process differs from automatic dual-slope systems but provides the precision needed for most drainage grades at significantly lower cost.
- Is the CR600 receiver compatible with other Spectra laser models if I upgrade later?
- Yes, the CR600 rod-mount receiver functions with all Spectra Precision rotating laser systems operating on the standard laser wavelength, including the LL300, LL400, and higher-grade LL500 variants with machine control capability. This compatibility protects your receiver investment when expanding to multiple lasers across crews or upgrading to advanced transmitters with automatic slope and remote leveling features.
