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An auto level, also known as an automatic level, optical level, dumpy level or builder's level, is a tool designed to find the height of land, which is widely used by contractors, builders, land surveyors, and engineers. The auto level AL12 is with air damping compensator, 32x magnification, it has a very good stability and super clear image, it is very easy to use, and it is a perfect assistant for your surveying work.
| Model: | AL12 |
| Compensator | Air Damping Compensator |
| Image | Erect |
| Objective Aperture | 38mm |
| Field Of View | 1°20′ |
| Minimum Focusing Distance | 1m |
| Stadia Ratio | 100 |
| Setting Accuracy | ± 0.5″ |
| Compensating Range | ±15′ |
| 1km Double Run Leveling | ±1.5mm |
| Circular Level Sensitivity | 8'/2mm |
| Horizontal Circle Graduation | 1° or 1gon |
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