Spectra Precision LL300N Laser Level, Self Leveling Kit with HL450 Receiver, Clamp, Alkaline Batteries - LL300N

 Features

• Increases productivity with faster setups, fewer mechanical parts, and automatic self-leveling
• Easy, one-button operation requires minimal training for using tool
• Complete leveling crew in one portable hard shelled carrying case; Tripod not included
• Rugged design with “hard hat” rotary protection provides superior drop and outdoor weather protection (IP66)
• Ideal for all general concrete and construction site preparation applications

What our Experts Think

• Professional-Grade Rotary Laser for Construction & Site Work – The Spectra Precision LL300N Laser Level is designed for contractors who need fast, accurate elevation and leveling for grading, excavation, concrete work, and general construction layout.

• Excellent Accuracy for Reliable Results – Delivers ±3/32 in accuracy at 100 ft (±2.2 mm at 30 m), providing dependable measurements for foundation work, site preparation, and leveling tasks.

• Long Working Range for Large Job Sites – With the included Spectra Precision HL450 Laser Receiver, the system achieves a 1,650 ft (500 m) diameter operating range, allowing accurate readings across wide construction areas.

• Fully Automatic Self-Leveling – Electronic self-leveling within ±5° ensures quick setup and automatically maintains accuracy even on uneven surfaces.

• Digital Readout Receiver for Faster Measurements – The HL450 receiver provides a clear digital elevation readout, helping crews determine grade without repositioning the receiver repeatedly.

• Rugged Jobsite Durability – Built to withstand 3 ft (1 m) drops onto concrete and protected with an IP66 dust- and water-resistant design, making it dependable in harsh construction environments.

• Long Battery Life for Full-Day Operation – Runs up to 90 hours on alkaline batteries, minimizing downtime and allowing extended jobsite use.

• Simple Operation for Productivity – One-button startup and straightforward controls allow quick deployment and efficient one-person operation on grading and leveling projects.

Q&A

Q: What is the Spectra Precision LL300N laser level used for?
A: The LL300N is a professional rotary laser level designed for leveling, grading, excavation, foundation work, landscaping, and general construction layout. It provides a 360° horizontal reference for precise site leveling.

Q: Does the LL300N feature automatic self-leveling?
A: Yes. The laser uses electronic self-leveling within ±5° to automatically level itself for quick setup and accurate results on job sites.

Q: What accuracy does the LL300N provide?
A: It offers high precision with accuracy of approximately ±3/32 in at 100 ft (±2.2 mm at 30 m), making it suitable for professional construction and grading applications.

Q: What is the working range of the LL300N laser level?
A: With the included HL450 receiver, the laser provides a working range of up to 1,650 ft (500 m) diameter, allowing reliable operation on large job sites.

Q: What accessories are included in this LL300N kit?
A: The kit includes the LL300N rotary laser, HL450 digital receiver, mounting clamp, alkaline batteries, and a carrying case for secure storage and transport.

Q: What is the HL450 receiver used for?
A: The HL450 receiver detects the laser beam at long distances and features a digital readout for precise elevation measurements, especially in bright outdoor conditions.

Q: How durable is the Spectra Precision LL300N?
A: The laser features a rugged protective rotor cage and can withstand drops of about 3 ft (1 m) onto concrete, making it ideal for demanding construction environments.

Q: How long does the battery last?
A: The LL300N operates on four D-cell batteries and provides up to 90 hours of runtime with alkaline batteries or about 45 hours with rechargeable batteries.

Q: Is the LL300N weather resistant for outdoor work?
A: Yes. The laser has an IP66 rating, providing strong protection against dust and water for reliable performance in harsh job-site conditions.

Maintenance Tips

• Clean the Laser Window: Regularly wipe the laser aperture with a soft, lint-free cloth to keep the beam clear and maintain leveling accuracy.

• Protect the HL450 Receiver: Keep the receiver and clamp free from dust, moisture, and debris for accurate laser detection on job sites.

• Replace Batteries When Needed: Use fresh alkaline batteries when the low-battery indicator appears to maintain stable performance and long operating time.

• Store in the Carrying Case: Always store the LL300N laser level, receiver, clamp, and accessories in the protective case to prevent dust buildup and transport damage.

• Check Calibration Frequently: Verify horizontal accuracy periodically—especially after drops, heavy vibration, or extended job-site use.

• Avoid Harsh Conditions: Do not expose the laser level to extreme heat, freezing temperatures, or excessive moisture beyond recommended limits.

• Mount Securely: Use a stable tripod or mount to reduce vibration and ensure precise leveling results during construction or grading work.

• Use Authorized Service: For repairs or internal adjustments, rely on professional service technicians to preserve factory accuracy standards.