18
Jan
2026
Hariharbhawan, Lalitpur, Nepal
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977-1-5010611, 977-1-5010612
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AT-B4A
Reliable Economical Auto Level
The Topcon AT-B4A is an economical and reliable auto level designed for construction and basic surveying tasks. It provides consistent performance, ease of use, and durability, making it a practical choice for budget-conscious projects.
Key Features:
- Magnification: 24x
- Objective Aperture: 32 mm
- Accuracy: 2.0 mm
- Minimum Focus: 20 cm
- Protection: IPX6
- Weight: 1.5 kg
Technical Specifications:
- Telescope Length: 214 mm
- Resolving Power: 4″
- Field of View: 1°25′
- Image: Erect
- Stadia Ratio: 100
- Focusing Knob: 1-speed
- Compensator: Pendulum with magnetic damping
- Working Range: ±15′
- Circular Level Sensitivity: 10′ / 2 mm
- 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-B4A are ideal for:
- Basic construction projects
- Entry-level surveying tasks
- Site leveling and alignment
- Budget-friendly field operations
For practical and cost-effective leveling, the AT-B4A is a dependable choice. We’re here to help you select the right equipment that matches your project scope and budget.
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