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Theodolite
Theodolite
技术参数
| Model | LDT 202B | LDT202BL |
| Telescope | ||
| Length of Telescope | 156mm | |
| Image | Erect | |
| Objective Lens Aperture | 45mm | |
| Magnification | 30X | |
| Field of View | 1°30″ | |
| Resolving Power | 3.5″ | |
| Shortest Sighting Distance | 1.3m | 1.5m |
| Stadia Ratio | 100 | |
| Stadia Constant | 0 | |
| Angle Measurement | ||
| Method | Absolute type encoder | |
| Detecting | Horizontal:Double | |
| Vertical:Single | ||
| MinimumReading | 1"/5" Optional | |
| Accuracy | 2″ | |
| Display Panel | Double Face | |
| Compenstor | ||
| Tilt Sensor | Yes | |
| Range | +/-3′ | |
| Output Interface | ||
| Communication Standard | RS232C | |
| Date Output Interface | Yes | |
| Memory | 1000 | |
| Laser Plummet | ||
| Laser power | 1mW | |
| Dot Diameter | ＜＝2mm | |
| Accuracy | 1.0mm | |
| Base | ||
| Base Model | Separated | |
| Power | ||
| Battery | Chargeable battery or 4*AA alkaline | |
| Working Time | About 45 Hours | |
| Bubble | ||
| Sensitivity of Long Vial | 30″/2mm | |
| Sensitivity of Bubble | 8′/2mm | |
| Other | ||
| Size | 160x175x340mm | |
| Temperature | -20℃~+50℃ | |
| Net Weight | 4.8kgs | |
| Collimation laser | ||
| Wave length | No | 635nm |
| Max working distance | No | 200m(cover the sunsight) |
Coaxial error of Laser | No | ＜＝10″ |
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