18
Jan
2026
Hariharbhawan, Lalitpur, Nepal
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977-1-5010611, 977-1-5010612
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AT-B3A
Reliable Versatile Auto Level
The Topcon AT-B3A is a versatile auto level built for surveying, engineering, and construction applications. It offers a balance of accuracy, durability, and ease of use, making it a dependable choice for everyday fieldwork.
Key Features:
- Magnification: 28x
- Objective Aperture: 36 mm
- Accuracy: 1.5 mm
- Minimum Focus: 20 cm
- Protection: IPX6
- Weight: 1.5 kg
Technical Specifications:
- Telescope Length: 214 mm
- Resolving Power: 3.5″
- Field of View: 1°25′
- Image: Erect
- Stadia Ratio: 100
- Focusing Knob: 1-speed
- Compensator: Pendulum with magnetic dampin
- Working Range: ±15′
- Compensator: Pendulum with magnetic dampin
- Horizontal Circle: 1° / 1 gon
- Operating Temperature: -20°C to +50°C
What’s Included in the Box
- AT-B Level
- Hex wrench
- Adjusting pins
- Vinyl cover
- Plumb bob
- Cleaning cloth
- Lens cap
- User manual
- Hard carrying case
AT-B3A are ideal for:
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- Surveying and engineering projects
- Construction layout work
- General field applications
- Daily professional use
The AT-B3A offers a balance of accuracy and performance for everyday surveying needs. Our experts are available to guide you in choosing the right solution based on your workflow and site conditions.
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