Buy Bosch GRL 400 H Professional Rotation Laser from Brighttech Limited.
The Bosch GRL 400 H Professional Rotation Laser is a robust and easy-to-use self-leveling rotary laser designed specifically for outdoor horizontal leveling. With one-button operation, Electronic Self-Leveling, and a 400-meter working diameter with the included LR 1 Professional Laser Receiver, it provides fast setup and highly accurate leveling for construction, excavation, landscaping, and concrete work.
Delivering an accuracy of ±2.4 mm at 30 m, the GRL 400 H features an ADS (Anti-Drift System) shock warning that automatically alerts users if the tool’s position changes due to vibration or accidental movement, ensuring reliable measurements throughout the job. Its IP56-rated housing provides excellent resistance to dust and water, making it ideal for demanding outdoor job sites.
Key Features
- Electronic self-leveling for quick and accurate setup
- Working range up to 400 m diameter with LR 1 Professional receiver
- 20 m diameter visible range without receiver
- High accuracy of ±2.4 mm at 30 m
- One-button operation for simple use
- ADS (Anti-Drift System) shock warning prevents leveling errors
- Rugged IP56 dust and water protection
- Red laser beam for excellent visibility
- Battery tray allows easy battery replacement
- Ideal for outdoor leveling applications
Specifications
| Specification | Details |
|---|---|
| Brand | Bosch Professional |
| Model | GRL 400 H |
| Product Type | Rotation Laser |
| Laser Colour | Red |
| Laser Diode | 635 nm, <1 mW |
| Laser Class | Class 2 |
| Accuracy | ±2.4 mm at 30 m |
| Working Range (Without Receiver) | 20 m diameter |
| Working Range (With Receiver) | 400 m diameter |
| Compatible Receiver | Bosch LR 1 Professional |
| Self-Leveling Range | ±8% (±5°) |
| Leveling Time | Approx. 15 seconds |
| Rotation Speed | 600 rpm |
| Dust & Water Protection | IP56 |
| Power Supply | 2 × 1.5 V LR20 (D) Batteries |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| Tripod Thread | 5/8″-11 |
| Weight | Approx. 2.0 kg |
Package Contents
- Bosch GRL 400 H Professional Rotation Laser
- Bosch LR 1 Professional Laser Receiver
- Receiver Bracket
- Carrying Case
- 2 × D (LR20) Batteries
- 1 × 9V Battery (for Receiver)
- Battery Compartment
- User Manual
Applications
- Site leveling
- Excavation and earthworks
- Foundation and footing layout
- Concrete formwork
- Landscaping
- Fence installation
- Road and pavement construction
- General outdoor construction projects
The Bosch GRL 400 H Professional Rotation Laser offers precise 360° horizontal laser projection for large-scale leveling tasks
The Bosch GRL 400 H Professional Rotation Laser supports grade matching and foundation leveling with ease
- The Bosch GRL 400 H Professional Rotation Laser improves productivity by reducing setup times and enhancing measurement accuracy
