Topcon AT-B2 Auto Level
1.Topcon AT-B2 Auto Level 2.Excellent sealed structure for using in any weather conditions. 3.Reliable performance
Topcon AT-B2 Auto Level
Place of Origin:
Guangdong China (Mainland)
Brand Name:Topcon
Model Number:AT-B2
Color:Yellow
| AT-B2 | AT-B3 | AT-B4 | |
| Telescopic | |||
| Length | 215mm (8.46 in.) | ||
| Magnification | 32X | 28X | 24X |
| Objective Aperture | 42mm (1.65 in.) | 36mm (1.42 in.) | 32mm (1.26 in.) |
| Resolving Power | 3" | 3.5" | 4" |
| Field of View | 1Ÿ20' | 1Ÿ25' | |
| (at 100m/328ft.) | (2.3m / 7.5ft.) | (2.5m / 8.2ft.) | |
| Minimum Focus | 0.2m (7.9 in.) from end of telescope | ||
| 0.3m (1ft.) from instrument center | |||
| Image | Erect | ||
| Stadia Constant | 0 | ||
| Stadia Ratio | 100 | ||
| Without Micrometer | 0.7mm (0.03 in.) | 1.5mm (0.06 in.) | 2.0mm (0.08 in.) |
| With Micrometer | 0.5mm (0.02 in.) | n/a | |
| Compensator | |||
| Type | Pendulum compensator with magnetic damping system | ||
| Setting Accuracy | 0.3" | 0.5" | |
| Working Range | ±15' | ||
| Circular level | |||
| Sensitivity | 10' / 2mm | ||
| Horizontal circle | |||
| Diameter | 103mm (4.1 in.) | ||
| Minimum Division | 1/ 1gon | ||
| General | |||
| Water Resistance | IPX6 (IEC 60529:2001) | ||
| Operating Temperature | -20 to +50 (-4F to +122F) | ||
| Size | Width | 130mm (5.12 in.) | |
| Length | 215mm (8.46 in.) | ||
| Height | 140mm (5.51 in.) | 135mm (5.31 in.) | |
| Weight | 1.85kg (4.1 lbs.) | 1.7kg (3.7 lbs.) | |
Topcon AT-B2 Auto Level
