The Johnson Level Electronic Dual Slope Rotary Laser System (99-028K) delivers exceptional performance and precision for horizontal and vertical leveling. With its dual-slope feature, this laser simplifies complex tasks such as grading, drainage, and concrete flatwork, eliminating the need for manual calculations. Designed for construction professionals, it provides dependable accuracy for fencing, footings, drywall tracks, and more. Whether used indoors or outdoors, this laser system ensures efficiency and reliability on every job.

Key Features:

• Electronic Self-Leveling: Automatically adjusts for both horizontal and vertical alignment, ensuring precise layouts.
• Dual-Slope Capability: Features a ±5° dual slope, making it ideal for complex grading and drainage setups.
• Scan Mode: Enhances visibility by simulating a laser line or dot, making alignment easier in various conditions.
• Tilt and Leveling Alarms: Visual and audible alerts ensure accuracy by notifying the operator of misalignment or movement.
• Versatile Range: Works up to 200 feet indoors and up to 1,500 feet in diameter outdoors with a detector.
• Multiple Rotation Speeds: Operates at 200, 500, or 1,100 RPM, catering to diverse job requirements.
• Long Battery Life: Provides 24 hours with NiMH batteries and up to 40 hours with alkaline batteries, minimizing downtime.
• IP54 Dust and Water Resistance: Ensures durability for use in challenging environments.

Specifications:

• Leveling Method: Automatic Electronic Self-Leveling
• Laser Wavelength: 635nm ± 10nm (Red)
• Laser Classification: Class IIIa
• Maximum Power Output: ≤5mW
• Accuracy: ±1/8" at 100'
• Interior Range: Up to 200'
• Exterior Range: Up to 1,500' diameter with detector
• Self-Leveling Range: ±5°
• Slope Range: ±5° Dual Slope
• Rotation Speeds: 200, 500, 1,100 RPM
• Battery Life: 24 hours (NiMH), 40 hours (alkaline)
• Working Temperature: 14°F to 113°F

Frequently Asked Questions (FAQ)