PRODUCT DETAILS
B40A Automatic Level is a professional-grade Auto Digital Levels for Precise Surveying, providing excellent measurement accuracy and stability.
This Auto Levels Surveying Instrument is suitable for a variety of scenarios such as construction sites, road construction, land surveying, etc., ensuring the reliability of each measurement data.
Features of B40A Automatic Level:
1. High-precision measurement - As a model of Auto Digital Levels for Precise Surveying, B40A provides a measurement accuracy of ±0.7mm/km.
2. In line with the operating habits of engineering surveyors, it improves the comfort of long-term use.
3. Automatic compensation system - Reduce human errors and ensure the measurement stability of Auto Levels Surveying Instruments.
4. Rugged and durable - Waterproof and dustproof design, suitable for various outdoor working environments.

B40A Automatic Level Specifications
| Model No. | B40A |
| Standard Deviation for 1km Double-run Leveling | 2.0mm |
| Telescope Magnification | 24X |
| Telescope Image | Erect |
| Shortest Sighting Distance | 0.3m |
| Effective Aperture Size of Object Lens | 32mm |
| Angle of View | 1°25' |
| View Distance Error | ±0.4% |
| Focusing Error | ±1.0mm |
| Leveling Accuracy | ±0.5" |
| Compensator Type | Magnetic-Damping |
| Compensator Working Range | ±15' |
| Compensating Error | ±0.5" |
| Resolution | 4.0" |
| Reticle | Cross reticle |
| Setting Time | ≤2S |
| Bubble | 10' / 2mm |
| Horizontal Circle | 360° or 400 gon optional |
| Water and Dust Proof | IPX6 |
| Standard Accessory | Manual, Allen Key, Adjusting Pin, Plastic Case |

Durable B40 Automatic Level...