Laser Scanner Target / Checkerboard Target
10 Models
Features of Scanner Sphere & Target
Key Features of Mountlaser Scanner Sphere & Target for High-Precision Scanning
Diverse Material Construction for Professional Stability
The series offers a range of high-performance materials tailored to different scanning environments. Options include lightweight and durable Aluminum for standard surveying, 100% Carbon Fiber (Models N66111/N66112) for maximum thermal stability and reduced expansion in fluctuating temperatures, and cost-effective PVC for versatile site use.
Comprehensive Size Range for Every Scanning Need
To accommodate various scanning distances and precision requirements, these targets come in a wide array of sizes. This includes compact spheres starting at OD 80mm (3.1in) for tight spaces, up to large-scale 300mm (11.8in) spheres for long-range detection, and square targets up to 250 x 250mm for high-visibility orientation.
Universal Compatibility & Secure Mounting
The targets are designed for seamless integration with industry-standard equipment. They feature multiple adapter types, including Swiss-Style Quick Release systems, Female 5/8"-11 Threads, and Magnetic Bases for instant attachment to metal structures, ensuring a fast and stable setup on any job site.
High-Precision Surface Treatments for Optimal Recognition
Each target is finished with specialized treatments to ensure maximum scan accuracy. Features include Non-glare Powder Coating with screen printing for clear contrast, 3M Reflector Sheets (Model ST002) for enhanced visibility in low-light conditions, and weather-resistant Self-adhesive PVC for permanent or temporary surface mounting.
Principle of the Scanner Sphere & Target
In the field of 3D terrestrial laser scanning (TLS), a Laser Scanner Target serves as a high-precision artificial reference point. Its fundamental principle is to provide a fixed, identifiable coordinate (X, Y, Z) that the scanner’s software can recognize with sub-millimeter accuracy, bridging the gap between raw point cloud data and a unified digital model.
Common Questions & Professional Answers
Automatic registration failures are typically caused by poor contrast or laser over-exposure (halos). If a target surface is too glossy, the LiDAR sensor receives irregular intensity returns.
For reliable center extraction in software like Cyclone or RealWorks, the target must have a Matte Powder Coating. This ensures a Lambertian reflection, preventing the "white-out" effect where the scanner cannot distinguish the black-to-white transition.
Optimization Checklist:
- 1Verify distance: Ensure the target size (e.g., OD150mm) is sufficient for the scan resolution at that range.
- 2Check incident angle: Avoid scanning targets at extreme grazing angles (keep within 45° if possible).
- 3Surface condition: Ensure the B&W pattern is free of dust, scratches, or moisture.
- 4Lighting: In pitch-black environments, ensure the scanner's internal or external LED provides enough illumination for the onboard camera.
Pro Tip: MountLaser targets use a specialized matte screen-printing process that minimizes "bleeding" between black and white sectors, increasing center-extraction precision by up to 15%.
Choosing between Aluminum and Carbon Fiber depends on your project's precision requirements and environmental conditions.
| Material | Stability | Poids | Best Application |
|---|---|---|---|
| Aircraft Aluminum | Good (standard) | Standard | General construction, Scan-to-BIM, indoor mapping. |
| 100% Carbon Fiber | Ultra-High (Zero thermal expansion) | Ultra-Light | High-precision monitoring, extreme outdoor heat/cold. |
| PVC / Self-adhesive | N/A (Temporary) | Negligible | High-volume disposable setups, hard-to-reach walls. |
For long-term structural monitoring, Carbon Fiber (N66111 series) is essential because it does not expand or contract significantly with temperature changes, maintaining a constant geometric center.
Mechanical compatibility is only half the battle; the Vertical Center Offset is the critical factor for multi-sensor integration (Total Station + TLS).
MountLaser GZT21 and ST001 models are designed with the 86mm central height standard. This allows you to swap a Leica prism for a scanning target on the same carrier without manually re-measuring the instrument height.
Supported Adapter Systems:
- 1Swiss-Style Spigot: Direct fit for Leica GLS11/12 poles and carriers.
- 25/8" Thread: Universal fit for standard US tripods and prism poles.
- 3Magnetic Base: Ideal for industrial plants or bridges where tripods cannot be placed.
- 4Quick-Release: Compatible with Swiss-style quick-lock mechanisms for rapid setup transitions.
Compatibility Note: Our ST-series targets feature a "Tilt-and-Turn" mechanism, ensuring the target face can always be perpendicular to the scanner's line-of-sight across any brand (Leica, Faro, Trimble, Riegl).
A common Reddit "Pro Tip" for scanning: Resolution drops with distance. If your target is too small, there aren't enough points to mathematically calculate the center.
| Target Diameter | Optimal Range | Min. Points Required | Verdict |
|---|---|---|---|
| 80mm (ST001) | 0 – 25 meters | ~50 points | Best for Interior/Rooms |
| 150mm (ST003-150) | 25 – 60 meters | ~50 points | Standard Site Mapping |
| 300mm (ST003-300) | 60 – 120+ meters | ~50 points | Long-Range Infrastructure |
Always ensure you have at least 3 targets visible between scan stations for a robust registration. For distance work, we recommend the ST003 series for its lightweight aluminum disc and high-visibility coating.
Mount Laser is a leading integrated manufacturer specializing in surveying instruments and accessories, as well as laser levels and accessories. Headquartered in Changzhou, Jiangsu Province, the company operates a 7,500 m² modern manufacturing facility and employs a dedicated team of over 150 skilled professionals. As a comprehensive solution provider, Mount Laser’s product portfolio spans 13 core categories: Auto Levels, Calibration & Testing Instruments, Prisms, Surveying Accessories, Scanner Targets, GNSS, Surveying Poles, Leveling Staffs, Tripods & Bipods, Line Lasers, Rotary Lasers, Laser Level Accessories, and Agent Sales services. Committed to quality and innovation, Mount Laser serves as a trusted partner to surveying and construction professionals worldwide.
MOUNT LASER (CHANGZHOU) INSTRUMENT CO.,LTD
A Chinese Top-3 Manufacturer in surveying accessories!
12 years experience