Topcon GT-505 Robotic Total Station

The Topcon GT-505 Robotic Total Station is an advanced, high-performance surveying instrument designed to deliver exceptional accuracy, speed, and reliability for demanding fieldwork. Engineered with cutting-edge technology, including UltraSonic motor drive and Hybrid Positioning capabilities, the GT-505 sets a new standard in robotic total station performance.

With its compact, lightweight design and robust construction, the GT-505 is easy to transport and set up, even in challenging environments. The instrument features an impressive 5" angular accuracy, combined with a powerful reflectorless EDM (Electronic Distance Measurement) system that can measure distances up to 800 meters without a prism and up to 5,000 meters with a prism.

The UltraSonic motors enable the fastest robotic tracking available, providing rapid and silent rotation for seamless operation. The GT-505 is also equipped with LongLink™ Bluetooth® technology, allowing for remote control from up to 300 meters away, which enhances efficiency and reduces setup times.

For added security and performance management, the GT-505 includes TSshield™, Topcon's advanced telematics system that offers remote locking, tracking, and firmware updates. Whether for construction layout, topographic mapping, or precision monitoring, the Topcon GT-505 delivers the accuracy, speed, and reliability professionals demand.

Key Features:

✅ 5-Second Angular Accuracy – Ensures high-precision measurements for even the most demanding surveying tasks.

✅ UltraSonic Motor Drive – Provides the fastest, smoothest, and quietest robotic performance for rapid target acquisition and tracking.

✅ Long-Range EDM – Reflectorless measurements up to 800 meters and prism measurements up to 5,000 meters for flexible data collection.

✅ Hybrid Positioning – Combines GNSS and robotic measurement capabilities for versatile and efficient surveying solutions.

✅ LongLink™ Bluetooth® Communication – Enables reliable remote operation from up to 300 meters away, improving workflow and safety.

✅ TSshield™ System – Offers security with remote locking, real-time tracking, and firmware updates for maximum equipment protection.

✅ Rugged and Durable Design – IP65-rated for resistance against dust, water, and tough environmental conditions.

✅ Lightweight and Compact – Weighing only 5.7 kg, it’s easy to carry and set up on any terrain.

Applications:

• Construction Layout and Site Surveys – Ensures fast, accurate layout for infrastructure projects.
• Topographic and Boundary Surveys – Ideal for creating detailed maps and defining property lines.
• Monitoring and Control Surveys – Provides precise data for structural monitoring and deformation analysis.
• Utility and Infrastructure Mapping – Accurately captures geospatial data for underground utilities and infrastructure development.
• Engineering and Precision Layout – Delivers fine measurements for engineering and architectural projects.

Why Choose the Topcon GT-505 Robotic Total Station?

The Topcon GT-505 is designed for surveying and construction professionals who prioritize accuracy, speed, and versatility. With its UltraSonic motor drive and 5-second angular accuracy, it ensures fast and precise data collection, even in complex environments. The LongLink™ Bluetooth® system enhances operational efficiency, allowing for convenient remote control from significant distances.

The integrated Hybrid Positioning technology supports GNSS capabilities for improved flexibility, while TSshield™ ensures that your device remains secure and up to date. Built to withstand harsh conditions, the GT-505 features an IP65-rated body, making it ideal for diverse field environments.

With intuitive controls, seamless software integration, and industry-leading performance, the GT-505 simplifies complex survey tasks, helping professionals complete projects faster and more accurately.

 Technical Specifications

Telescope

• Magnification: 30x
• Objective Aperture: 45 mm (1.77 in)
• Field of View: 1°30' (26 m at 1,000 m / 85 ft at 1,000 ft)
• Minimum Focusing Distance: 1.3 m (4.3 ft)
• Resolving Power: 3"

Angle Measurement

• Measuring Method: Absolute encoder
• Accuracy: 5" (1.5 mgon)
• Minimum Reading: 0.5"/1" (selectable)
• Compensator: Dual-axis liquid tilt sensor
• Compensation Range: ±6’

Distance Measurement (EDM)

• Reflectorless Range: Up to 800 m (2,624 ft)
• Prism Range:
  • Single Prism: Up to 5,000 m (16,404 ft)
  • Multiple Prisms: Up to 6,000 m (19,685 ft)
• Accuracy:
  • Reflectorless: ±3 mm + 2 ppm
  • Prism: ±2 mm + 2 ppm
• Measurement Time:
  • Fine Mode: 1.2 sec
  • Rapid Mode: 0.9 sec
  • Tracking Mode: 0.4 sec

Robotic and Tracking Performance

• Rotation Speed: 180° per second
• Locking Range: Up to 1,000 m (3,280 ft)
• Tracking Technology: UltraSonic motor technology for fast and silent tracking
• Remote Control Range: Up to 300 m (984 ft) with LongLink™ Bluetooth®

Communication and Connectivity

• Internal Communication: Bluetooth® Class 1, USB 2.0
• LongLink™ Bluetooth®: Remote control up to 300 meters (984 ft)
• External Port: RS-232C, USB, Bluetooth®

Power and Battery

• Battery Type: Li-Ion rechargeable battery
• Operating Time: Up to 10 hours (continuous operation)
• Charging Time: Approximately 4 hours
• Hot-Swap Capability: Yes

Display and User Interface

• Display: Dual color touchscreen LCD
• Keyboard: Alphanumeric keyboard with function keys
• Operating System: Windows® CE
• Data Storage:
  • Internal Memory: 512 MB
  • External Memory: USB flash drive (up to 32 GB)

Environmental Specifications

• Operating Temperature: -20°C to +50°C (-4°F to +122°F)
• Storage Temperature: -30°C to +60°C (-22°F to +140°F)
• Protection Rating: IP65 (dust-tight and water-resistant)
• Humidity: 100% condensing
• Shock Resistance: Withstands drops from 1.5 meters (4.9 ft)

Physical Characteristics

• Dimensions: 178 mm x 181 mm x 348 mm (7.0 in x 7.1 in x 13.7 in)
• Weight: 5.7 kg (12.6 lbs) including battery and tribrach

Security and Maintenance

• TSshield™:
  • Remote locking and tracking
  • Firmware updates via cellular connection

Software Compatibility

• Field Software: Topcon Magnet™ Field, Pocket 3D
• Office Software: Topcon Magnet™ Office, AutoCAD®, and other third-party CAD software

Standard Accessories

• Rechargeable batteries and charger
• Carrying case
• Tribrach
• Lens hood and cleaning kit
• User manual