Spectra Precision LL300S-3 Laser Complete Package w/ HL450 Receiver, Tripod and Metric Rod

Overview

The Spectra Precision LL300S-3 Laser Complete Package delivers professional-grade leveling accuracy for contractors, civil crews, and construction professionals working exclusively with metric measurements. This turnkey system combines the fully automatic LL300S-3 rotating laser with the HL450 digital receiver, metric-calibrated grade rod, and heavy-duty tripod—eliminating the conversion errors and workflow delays that plague mixed-unit jobsites. Ideal for site preparation, foundation work, drainage projects, and concrete placement, this package provides 300-meter diameter working range with ±1.5mm accuracy at 30 meters. The self-leveling laser automatically compensates for minor setup variations, while the HL450's visual and audible grade indicators enable single-operator efficiency on large sites. Purpose-built for metric-native projects including commercial construction, municipal infrastructure, and international contract work.

Key Specifications

• Laser Model: Spectra Precision LL300S-3 (metric display)
• Accuracy: ±1.5mm at 30 meters (±1/16" at 100 feet)
• Self-Leveling Range: ±5 degrees with automatic compensation
• Working Diameter: 300 meters (1,000 feet) with receiver
• Rotation Speed: 600 RPM standard, 1200 RPM optional for bright conditions
• Receiver: HL450 digital display with 5-channel detection
• Detection Accuracy: ±1mm in fine mode, ±2.5mm in standard mode
• Grade Rod: Metric-calibrated aluminum telescoping rod
• Power: Rechargeable NiMH battery (70+ hours runtime)
• Operating Temperature: -20°C to +50°C
• IP Rating: IP67 dust-tight and waterproof
• Tripod: Heavy-duty aluminum with adjustable legs
• Included Case: Hard-shell protective carrying case

What's in the Kit

• Spectra Precision LL300S-3 rotating laser (metric configuration)
• HL450 digital laser receiver with rod clamp
• Metric-calibrated aluminum grade rod (extends to 4 meters)
• Heavy-duty aluminum tripod with 5/8"-11 mounting thread
• Rechargeable NiMH battery pack
• AC wall charger with international plug adapters
• Remote control for laser functions (range up to 60 meters)
• Hard-shell protective carrying case for laser
• Soft carrying case for receiver and accessories
• Calibration certificate with test data
• Quick-start guide and full operation manual
• Manufacturer's 3-year warranty registration card

Job Applications

• Site Grading and Excavation: The 300-meter diameter range covers large site areas without repositioning, while metric calibration matches civil engineering plans and eliminates unit conversion errors during cut-and-fill operations.
• Foundation Layout and Concrete Forms: ±1.5mm accuracy ensures foundation elevations meet structural tolerances, with the HL450's audible alerts enabling single-operator form checking without constant visual reference to the receiver display.
• Drainage and Utility Trenching: Automatic self-leveling maintains constant reference plane even when ground vibration affects the tripod, critical for gravity-flow sewer and stormwater installations where grade precision determines system performance.
• Commercial Floor Screeding: The HL450's fine detection mode (±1mm) provides the precision required for warehouse and industrial floor specifications, while 600 RPM rotation speed delivers stable readings in interior environments with minimal ambient light interference.
• Parking Lot and Roadway Paving: Remote control operation allows laser adjustments from grade without returning to the instrument, accelerating asphalt base preparation and reducing equipment repositioning on linear projects.
• Retaining Wall and Masonry Construction: Metric rod increments match architectural drawings and block coursing calculations used internationally, streamlining elevation verification across multi-level structures without mental conversion delays.

Compatible Accessories

Enhance your LL300S-3 system with these field-proven accessories:

• Spectra Precision HR320 Machine Receiver — dozer and excavator mounting with dual-grade display
• Spectra Precision RC402N Remote Control — extended 100-meter range with backlit display
• Alkaline Battery Tray for LL300 Series — backup power option using D-cell batteries
• Laser Detection Card — visual beam verification tool for alignment confirmation
• Heavy-Duty Wooden Tripod — superior vibration dampening for precision work
• Padded Grade Rod Carrying Case — additional protection for metric rod during transport

Related Guides

• Rotating Laser Setup Best Practices: Achieving Maximum Accuracy
• Spectra LL300S vs LL400: Which Laser Level Matches Your Project Requirements
• Metric vs. Imperial Laser Systems: Configuration Differences and Conversion Considerations
• Troubleshooting Laser Receiver Detection Issues: Range and Interference Solutions

Frequently Asked Questions

Can this laser be switched between metric and imperial units?

The LL300S-3 is factory-configured for metric operation and cannot be field-switched to imperial units. This dedicated configuration eliminates accidental unit changes that cause measurement errors on metric-specification projects. The laser itself projects a reference plane regardless of units—the "-3" designation indicates it's packaged with metric-calibrated accessories (rod and receiver displays). For dual-unit flexibility, consider the LL300N model with switchable receiver.

What's the practical working range with the HL450 receiver in typical outdoor conditions?

The HL450 reliably detects the laser beam up to 150 meters radius (300-meter diameter) in overcast conditions or early morning/late afternoon work. In bright midday sunlight, effective range reduces to approximately 100 meters radius. Switching the laser to high-speed 1200 RPM rotation mode extends bright-condition range by 20-30%. For maximum range work, position the laser at mid-height of your elevation range and use the receiver's sensitivity adjustment to optimize detection.

How does the self-leveling function work, and what happens if the tripod is disturbed?

The LL300S-3 uses a pendulum-suspended compensator that automatically levels within ±5 degrees of setup position. If ground vibration or tripod movement exceeds the self-leveling range, the laser stops rotating and flashes a warning LED until proper level is restored—preventing the projection of inaccurate reference planes. Manual leveling mode can be engaged for grade work, but the compensator must be locked using the keypad to prevent damage. Initial setup requires only approximate leveling using the tripod's bubble vial.

Is this package suitable for single-operator use on large sites?

Yes—this is the primary design advantage of the LL300S-3 package. The remote control allows laser adjustments from up to 60 meters away, eliminating walks back to the tripod. The HL450's audible beeper provides grade feedback without watching the display, enabling you to hold the rod and interpret grade simultaneously. The rod clamp secures the receiver at your working height, and the system's 70+ hour battery life supports multi-day projects without recharging interruptions. For optimal efficiency, establish a stable laser position that covers your entire work area to minimize repositioning.