Can I use a standard (feet/inches) receiver with this laser if I have both types of projects?

Yes. The LL500-3 laser transmitter works with any Spectra-compatible receiver. The metric rod included in this package is what provides metric measurements—you can use standard graduated rods with any receiver when working on imperial-unit projects.

What's the actual usable range on a typical construction site?

With the HL700 receiver, expect reliable detection to 250 meters radius (500m diameter) in normal job-site conditions. Bright sunlight reduces this to approximately 150-200 meters radius.

How does the metric rod graduation differ from a standard rod?

Metric rods display centimeters and millimeters rather than feet, inches, and fractional inches. Each numbered meter mark is subdivided into 10cm increments with millimeter precision.

Is this package suitable for use with machine control systems on dozers and excavators?

The LL500-3 laser is fully compatible with machine control receivers, but this package includes the handheld HL700 receiver for manual grade checking. For dozer or excavator automation, you'll need to add a machine-mounted receiver.

Spectra Precision LL500-3 Metric Rod Laser Level

Description

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Overview

The Spectra Precision LL500-3 Long Range Laser Complete Package with HL700 Metric Rod serves contractors, civil engineers, and site development professionals working to metric specifications on international projects, infrastructure development, and cross-border construction. This complete kit eliminates measurement conversion errors by delivering direct metric readings that align with design documents, regulatory requirements, and bid specifications. The LL500-3 rotary laser provides 500-meter diameter working range with ±1/8-inch accuracy at 100 feet, while the HL700 digital receiver with metric rod streamlines grade checking, excavation control, and elevation transfer on projects specified in centimeters and millimeters. Whether you're establishing benchmarks for roadway construction, controlling grade on foundation work, or transferring elevations across large commercial sites, this package delivers the range, accuracy, and metric compatibility required for specification-compliant work.

Key Specifications

Working Range: Up to 500-meter diameter (1,640 feet) with receiver
Leveling Accuracy: ±1/8 inch at 100 feet (±3mm at 30m)
Self-Leveling Range: ±5 degrees
Rotation Speed: 0, 150, 300, 600, 900, 1500 RPM (6 settings)
Beam Type: Single-grade horizontal plane
Laser Class: Class 3R, 635nm visible red laser
Rod Graduations: Metric (centimeters/millimeters)
Receiver Accuracy: ±1/16 inch (±1.5mm) on-grade digital detection
Receiver LCD Display: Backlit with numeric grade readout
Rod Length: Extends to 5 meters with direct-reading metric scale
Operating Temperature: -4°F to 122°F (-20°C to 50°C)
Power: Rechargeable NiMH battery (laser), AA batteries (receiver)
Run Time: Up to 60 hours per charge (laser)
IP Rating: IP66 dust-tight and water-resistant

What's in the Kit

Spectra Precision LL500-3 Rotary Laser Transmitter
HL700 Digital Laser Receiver with Rod Clamp
5-Meter Metric Telescoping Grade Rod (cm/mm graduations)
Rechargeable NiMH Battery Pack for Laser
110V AC Battery Charger
RC503 Full-Function Remote Control (range, speed, scanning)
Heavy-Duty Carrying Case with Custom Foam Insert
Laser Safety Glasses
Operating Instructions and Quick Reference Guide
Calibration Certificate

Job Applications

Site Excavation and Grading: Metric rod eliminates conversion when working from civil plans specified in meters and centimeters, reducing staking errors and grade check delays on mass excavation.
Foundation and Slab Elevation Control: Direct metric readings match structural drawings for international design-build projects, ensuring formwork and benchmark elevations meet specification without calculation overhead.
Infrastructure and Roadway Construction: Long-range capability covers wide corridors while metric graduations align with typical infrastructure plans using meters for stationing and elevations.
Cross-Border and International Projects: Equipment matches the measurement system used in project documents, eliminating dual-system confusion on multinational developments and USAID-funded work.
Interior Concrete Placement: Rotating laser establishes consistent deck elevations across large floor pours while metric rod matches architectural plans for commercial buildings designed to international standards.
Utility Trenching and Pipe Grade: 500-meter range maintains line-of-sight across extended utility runs while metric measurements match engineered slope calculations in cm/m for drainage and sewer systems.

Compatible Accessories

Expand system capability with these Spectra-compatible accessories:

Spectra Precision HR320 Machine Receiver – Dozer and excavator mounting for automated grade control
Heavy-Duty Aluminum Tripod – Stable platform for elevated setups and long-range work
Laser Detector Extension Pole – 8-foot telescoping pole for high-wall checking without ladders
Magnetic Laser Target Plate – Steel-attachable target for indoor alignment and transfer work
Spectra Rechargeable Battery Pack (Spare) – Extended runtime for multi-day pours and remote sites

Related Guides

Frequently Asked Questions

Can I use a standard (feet/inches) receiver with this laser if I have both types of projects?: Yes. The LL500-3 laser transmitter works with any Spectra-compatible receiver. The metric rod included in this package is what provides metric measurements—you can use standard graduated rods with any receiver when working on imperial-unit projects. The laser itself simply creates a level reference plane.
What's the actual usable range on a typical construction site?: With the HL700 receiver, expect reliable detection to 250 meters radius (500m diameter) in normal job-site conditions. Bright sunlight reduces this to approximately 150-200 meters radius. For maximum range, work during early morning, late afternoon, or overcast conditions, and use higher rotation speeds to concentrate beam energy.
How does the metric rod graduation differ from a standard rod?: Metric rods display centimeters and millimeters rather than feet, inches, and fractional inches. Each numbered meter mark is subdivided into 10cm increments with millimeter precision. This allows direct reading of elevations like "2.347m" from drawings without converting from feet and decimal feet or feet-inches-fractions.
Is this package suitable for use with machine control systems on dozers and excavators?: The LL500-3 laser is fully compatible with machine control receivers, but this package includes the handheld HL700 receiver for manual grade checking. For dozer or excavator automation, you'll need to add a machine-mounted receiver like the Spectra HR320 and appropriate mast/bracket system for your specific machine.

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