Topcon OS-200 Series – Onboard Total Station
The Topcon Total station OS-200 series (including the popular OS-201 and OS-202 models) is more than just a manual total station. It is a Windows-based powerhouse designed to handle complex calculations directly in the field.
Feature
⭐ Key Features (Topcon OS-200 Series)
The Topcon OS-200 Series is a professional-grade, compact total station that bridges the gap between manual and robotic workflows through its Windows-based interface and advanced EDM technology.
Here is a breakdown of the key features that make the OS-200 series (specifically models like the OS-201 and OS-202) a standout choice for high-precision projects.
1. Advanced EDM Technology
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1,000m Reflectorless Range: One of the most powerful in its class, allowing you to measure distances up to 1km without a prism. This is ideal for measuring building corners, cliffs, or high-tension wires.
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6,000m Prism Range: For standard surveying, it can measure up to 6km with a single prism.
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Rapid Measurement Time: Features a fine measurement speed of just 0.9 seconds, ensuring fast data collection even on busy construction sites.
2. Modern User Interface
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Windows Embedded Compact 7: The OS runs on a Windows-based system, providing a familiar and powerful environment for handling complex field calculations.
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Color Touchscreen Display: It features a large, bright 3.5-inch TFT color LCD. This allows you to view points, lines, and icons clearly, reducing the need for an external data collector.
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Dual-Face Display: Most models feature displays on both sides of the instrument for easier operation during face-left and face-right measurements.
3. Smart Software & Connectivity
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MAGNET® Field On-Board: This intuitive software comes pre-installed, allowing for advanced roading tools, volume calculations, and surface staking directly on the instrument.
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Exclusive LongLink™: A specialized Class 1 Bluetooth technology that allows a pole-side controller to communicate with the instrument from up to 300 meters away.
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TSshield™ Security: A telematics-based system that offers remote locking if the device is stolen and provides automatic firmware update notifications.
4. Rugged & Reliable Build
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IP65 Protection: Fully protected against dust and heavy rain, ensuring it can survive the harshest weather conditions.
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Extended Battery Life: Provides up to 20 hours of operation on a single charge—enough to cover even the longest workdays.
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IACS (Independent Angle Calibration System): Provides “Best-in-Class” angle accuracy (available on 1” and 2” models) by self-calibrating the encoder.
5. Convenient Hardware Features
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EDM Trigger Key: Located on the side of the instrument, this button allows the surveyor to take a measurement while looking through the telescope without disturbing the aim.
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Electronic Leveling: A graphic display makes setting up the instrument faster and more accurate than traditional bubbles.
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USB 2.0 Support: Easily accessible port for data transfer using standard thumb drives (supports up to 32GB).
Brochure
Description
Best total station Price in Bangladesh: Topcon OS-200 Series Guide
In the rapidly expanding infrastructure landscape of Bangladesh, precision is the primary currency for engineers and surveyors. Whether you are working on the Dhaka Metro Rail, elevated expressways, or rural land partitioning, the reliability of your equipment directly impacts your project’s timeline and budget. For those seeking the best total station price in Bangladesh, the Topcon OS-200 Series Onboard Total Station offers a premium blend of Japanese innovation, ruggedness, and advanced data processing.
Why the Topcon OS-200 is a Professional Favorite
The Topcon OS-200 is not a standard manual station; it is an “Onboard” powerhouse. Designed for professionals who need more than just simple angle and distance measurements, the OS-200 features a built-in Windows® environment. This allows for complex field calculations and data management without needing an external controller.
1. Advanced Technical Specs
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Ultra-Powerful EDM: Features a reflectorless range of up to 1,000 meters, allowing for measurements in high-risk areas without a prism.
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Prism Precision: In prism mode, the OS-200 reaches up to 6,000 meters with an accuracy of $1.5mm + 2ppm$.
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Angular Accuracy: Available in 1”, 2”, 3”, and 5” models. The 1″ and 2″ models feature Topcon’s exclusive IACS (Independent Angle Calibration System) for ultimate stability.
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Windows® Embedded OS: Powered by Windows Embedded Compact 7, providing a modern, touch-screen interface.
Topcon OS-200 Series: Price in Bangladesh (2026 Update)
The accuracy level and the after-sales support package often determine the best total station price in Bangladesh. For 2026, here are the estimated market rates for the Topcon OS-200 series:
| Model | Angular Accuracy | Estimated Price Range (BDT) |
| Topcon OS-201 | 1″ (One Second) | 8,80,000 – 9,90,000 ৳ |
| Topcon OS-202 | 2″ (Two Second) | 7,90,000 – 8,95,000 ৳ |
| Topcon OS-205 | 5″ (Five Second) | 6,60,000 – 7,40,000 ৳ |
Pro Tip: While entry-level models like the GM-series are cheaper, the OS-200’s onboard software significantly reduces field-to-office time, making it the better choice for high-volume projects.
Key Features That Justify the Investment
MAGNET® Field On-Board Software
The OS-200 comes pre-installed with MAGNET Field software. This intuitive interface allows you to visualize and command your projects directly on the 3.5-inch color touchscreen. You can calculate volumes, create surfaces, and manage complex road layouts right in the field.
LongLink™ Communication
Exclusive to Topcon, LongLink™ functionality allows you to operate a field controller more than 300 meters away from the instrument. This flexibility is vital for stakeout operations where the surveyor needs to be at the prism pole with the data controller.
TSshield™ Global Security
Your investment is safe with TSshield. This telematics-based module allows you to track your device’s location and remotely lock it if it is stolen. It also keeps your instrument updated with the latest firmware via the cloud.
Rugged Build (IP65 Rating)
Bangladesh’s climate involves extreme dust, heat, and monsoon rain. The OS-200 is built to withstand these conditions with an IP65 environmental rating, operating perfectly in temperatures ranging from -20°C to +60°C.
Essential Applications for the Bangladesh Market
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Urban Construction: Ideal for the congested streets of Dhaka, where reflectorless measurement (up to 1km) is necessary for high-rise building layout.
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Infrastructure (Roads & Bridges): The advanced roading toolset in MAGNET Field simplifies curve stakeouts for RHD and LGED projects.
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Boundary & Cadastral Survey: The high-capacity 1GB internal memory can store thousands of points, making large-scale land surveys more efficient.
Buying Guide: How to Secure the Best Deal
When searching for the best total station price in Bangladesh, keep these three factors in mind:
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Authorized Distribution: Ensure you buy from a verified dealer to get an authentic “Made in Japan” unit.
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Calibration Services: Only purchase from suppliers who have a local service center for periodic calibration.
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Training Support: Given the advanced Windows interface, choose a vendor that offers hands-on training for your team.
Conclusion
The Topcon OS-200 Series is more than just a measurement tool; it is a long-term asset for any engineering firm. While the price is higher than basic manual models, the efficiency gains from onboard software and superior EDM range provide a much faster return on investment. If you are serious about your survey accuracy, the OS-200 is the ultimate solution.
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