Auto level instrument price sokkia B20 B30 B40 surveying instrument automatic level
1. Features
• 3 Models - 32x, 28x, and 24x Magnifications
• Rapid, Accurate, and Stable Automatic Compensation
• Ultra-Short 20cm (7.9 in.) Focusing
• All-Weather Dependability
• Clampless, Endless Fine Horizontal Adjustments
2. Specification
Model No. | B20 | B30A | B40A |
Telescope | |||
Length | 215mm | 214mm | |
Magnification | 32x | 28x | 24x |
Objective aperture | 42mm | 36mm | 32mm |
Resolving power | 3" | 3.5" | 4" |
Field of view | 1°20' | 1°25' | |
Image | Erect | ||
Sighting aid | 2-speed | 1-speed | |
Accuracy(1km double run leveling) | |||
Without micrometer | 0.7mm | 1.5mm | 2.0mm |
With micrometer | 0.5mm | n/a | |
Compensator | |||
Setting accuracy | 0.3" | 0.5" | |
Working range | ±15° |
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