Topcon AT-B3A Automatic Level
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Topcon offers a wide range of automatic levels for the land surveyor, civil engineer and contractor. Topcon AT-B3A Automatic Levels feature a magnetically-damped wire hung having superior resistance to cold, heat and shock. All AT-B series have a standard 360° horizontal circle. All models are waterproof with nitrogen gas sealed telescope which prevents clouding and moisture on the lens.
- Waterproof – nitrogen gas filled
- Magnetically damped compensators
- Rapid automatic leveling
- Horizontal circles
- Clampless tangent screws on both sides
- Mirrored circular level
- Stadia cross hairs
| MSLP | |
| Magnification | 28X |
| Accuracy 1km DR Level | 2.0 mm |
| Objective Lens | 36mm |
| Relative Brightness |
1.98 |
| Field of View | 85 Minutes |
| Minimum Focus |
.3 Meter |
| Resolving Power | 3.5′ |
| Stadia Ratio |
1 : 100 |
| Compensating Range |
+/- 15 minutes |
| Circular Level | 10 minutes |
| Hz Circle Min Reading |
1 degree |
| Weight |
3.7 lbs |