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Johnson Level Red Dual Slope Rotary Laser Kit
- $351.00
- Brands Johnson Level
- Product Code: JRT300-RDHV-K
- Availability: In Stock
Johnson Level Red Dual Slope Rotary Laser KitProduct OverviewThe Johnson Level Red Dual Slope Rotary Laser Kit (JRT300-RDHV-K) is a professional-grade leveling solution designed for demanding construction and outdoor layout work. It combines electronic self-leveling with dual-slope capability, allowing users to establish accurate elevations, grades, and slopes across large job sites.With a 4,000-f..
High Performance Red Dual Slope Rotary Laser for Precision Work
Johnson Level Red Dual Slope Rotary Laser Kit
Product Overview
The Johnson Level Red Dual Slope Rotary Laser Kit (JRT300-RDHV-K) is a professional-grade leveling solution designed for demanding construction and outdoor layout work. It combines electronic self-leveling with dual-slope capability, allowing users to establish accurate elevations, grades, and slopes across large job sites.
With a 4,000-foot exterior diameter working range when used with the included detector, IP67 protection, and up to 21 hours of battery runtime, this rotary laser is built for contractors who need dependable performance in challenging conditions.
Key Features
Dual-slope operation: Electronically controlled slope adjustment up to ±5° on both the X and Y axes.
Large working range: Covers up to 4,000 feet in diameter outdoors when paired with the included detector.
Automatic electronic leveling: Self-levels within ±5° for faster setup.
Rugged construction: IP67-rated for protection against dust and water.
Impact resistance: Designed to withstand drops and impacts from up to 6 feet (2 meters).
Multiple rotation speeds: Select from 0, 100, 300, 600, or 1,200 RPM depending on the application.
Remote operation: The remote provides control from up to 400 feet away.
One-person operation: Includes a laser detector and clamp for convenient field setup.
Long battery life: Lithium-ion batteries provide approximately 21 hours of operation.
Scan modes: Four selectable angles—0°, 15°, 30°, and 60°.
Leveling alerts: Visual and audible alarms indicate when the unit is outside its leveling range.
Product Specifications
| Specification | Details |
|---|---|
| Model | JRT300-RDHV-K |
| Laser Color | Red |
| Laser Wavelength | 640 nm ± 10 nm |
| Laser Classification | Class 3R |
| Maximum Power Output | <5 mW |
| Leveling Method | Automatic electronic |
| Accuracy | ±1/16 in. at 100 ft |
| Self-Leveling Range | ±5° |
| Dual-Slope Range | ±5° |
| Grade Setting | ±8% |
| Interior Range | Up to 200 ft |
| Exterior Range | Up to 4,000 ft diameter with detector |
| Remote Range | 400 ft |
| Working Angle | 360° |
| Rotation Speeds | 0, 100, 300, 600, 1,200 RPM |
| Scanning Modes | 0°, 15°, 30°, 60° |
| Battery Life | Up to 21 hours |
| Operating Temperature | -10°C to 50°C (14°F to 122°F) |
| Tripod Thread | 5/8"-11 |
| IP Rating | IP67 |
| Warranty | 5 years |
Specifications are based on Johnson Level's current product information for model JRT300-RDHV-K.
What's Included
The JRT300-RDHV-K kit includes:
Red dual-slope rotary laser
Two lithium-ion rechargeable battery packs
Type-C USB adapter/charger
Laser detector with clamp
Remote control
AAA batteries for the detector and remote
Magnetic target
Hard-shell carrying case
The manufacturer lists the kit components in its product documentation; unlike the JRT300-RDHV-S system, the JRT300-RDHV-K package does not include a tripod or grade rod.
Applications
This rotary laser is particularly useful for professional jobs involving:
Excavation and site preparation
Concrete and flatwork
Drainage and grading
Landscape grading
Establishing slopes
Foundation and elevation layout
General outdoor leveling
Large-area construction layout
The horizontal self-leveling function is suited to excavation and concrete work, while the dual-slope function helps simplify applications where controlled grade is required, such as drainage, flatwork, and complex landscaping.
Why Choose the JRT300-RDHV-K?
The Johnson Level Red Dual Slope Rotary Laser Kit is designed to reduce setup time while providing accurate reference points across large work areas. Its combination of ±5° dual-slope control, 4,000-foot detector-assisted range, electronic self-leveling, remote operation, and IP67 protection makes it a practical choice for contractors working in demanding environments.
For jobs where accurate grade and elevation control are essential, this kit provides the functionality and durability needed for professional field use.