



Topcon AT-B2
Category: Topcon Automatic Levels
- Rapid, stable, durable compensator
- horizontal circle for measurement
- 20cm short minimum focus
- All weather dependability
- Endless fine horizontal adjustments
- Description
- Specifications
Description
The Topcon AT-B2 Automatic Level is a reliable and high-precision instrument designed for professionals in construction, surveying, and engineering. Featuring a 32x magnification, the AT-B2 offers clear and sharp visuals for accurate measurements over long distances. Its advanced automatic compensator ensures fast and precise leveling adjustments, even in challenging field conditions, providing consistent results every time. Built to endure rugged environments, the Topcon AT-B2 is both waterproof and dustproof, making it an excellent choice for work in harsh weather conditions. With its lightweight, compact design, it is easy to transport and set up, enhancing field efficiency.
| Model | AT-B2 |
|---|---|
| Instrument Type | Automatic Level |
| Magnification | 32x |
| Objective Aperture | 42mm |
| Resolving Power | 3″ |
| Field of View | 1°20′ (2.3m at 100m) |
| Minimum Focus | 0.2m from end of telescope / 0.3m from instrument center |
| Image | Erect |
| Stadia Constant | 0 |
| Stadia Ratio | 100 |
| Focusing Knob | 2-speed |
| Sighting Aid | Peep Sight |
| Accuracy (1km Double-Run Leveling) | 0.7 mm without a micrometer / 0.5 mm with a micrometer |
| Compensator Type | Pendulum compensator with magnetic damping system |
| Compensator Setting Accuracy | 0.3″ |
| Compensator Working Range | ±15′ |
| Circular Level Sensitivity | 10′ / 2mm |
| Horizontal Circle Diameter | 103mm |
| Horizontal Circle Minimum Division | 1° / 1gon |
| Water Resistance | IPX6 (IEC 60529:2001) |
| Operating Temperature | -20°C to +50°C |
| Dimensions (W × L × H) | 130 × 215 × 140mm |
| Weight | 1.85kg |
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