Topcon Auto Level AT-B3A
| Magnification | 28x |
| Type | Pendulum compensator with magnetic damping system |
| Operating Temperature | -4°F to +122°F (-20ºC to +50ºC) |
| Waterproof | IPX6 (IEC 60529:2001) |
| Dimensions | 5.12 in. (130mm) x W 8.46 in. (215mm) x D 5.51 in. (140mm) x H |
| Weight | AT-B3: 4.1 3.7 lbs. (1.7kg) |
| Object Aperture | 36 mm (1.42 inch) |
| Setting Accuracy | 0.5” |
Topcon auto level AT-B3A is the ideal device for determining height differentials on busy and noisy job sites. With a completely new small lightweight design, they have excellent visibility of horizontal circle, superior gear ratio for shock and vibration and improved tangents and knobs.
• 28x magnifications
• Rapid, accurate, and stable automatic compensation
• Ultra-short 20cm focusing
• All-weather dependability
• Endless fine horizontal adjustments
Applications of Topcon Auto Level AT-B3A
- Construction Projects
- Road Construction
- Land Surveying
- Site Development
- Civil Engineering Projects
Why Choose Skipper Technologies?
Skipper Technologies is an authorized distributor of Topcon survey instruments in India, providing genuine products, technical support, and nationwide service.
Auto Level FAQ
The Topcon AT-B3A Auto Level is used for precise leveling and elevation measurements in construction, road projects, land surveying, drainage works, and civil engineering applications.
The Topcon AT-B3A offers 28x magnification, providing clear and accurate sighting for leveling tasks over long distances.
The Topcon AT-B3A provides 0.5 mm accuracy, making it suitable for professional surveying and construction projects.
Yes. The Topcon AT-B3A features IPX6 waterproof protection, allowing reliable operation in harsh weather and outdoor conditions.
Yes. The Topcon AT-B3A is widely used for building construction, road construction, site leveling, and infrastructure development projects.


