| Standrd Deviation per 1km Double-Run Leveling | Optical Reading | ±1.5mm | ||
| Electronic Reading | ±1.5mm | |||
| Electronic Reading System | Measuring Range | 2.5m~100m | ||
| Single Measuring Time | Approx.3second | |||
| Min. Altitude Reading | 0.2mm | |||
| Min. Distance Reading | 0.01m | |||
| Magnification | 28× | |||
| Objective Aperture | 40mm | |||
| Shortest Focusing Distance | 0.5m | |||
| Resolution Power | 4" | |||
| Setting Accuracy | ±0.5" | |||
| Leveling Time | 2" | |||
| Image of Telescope | Erect | |||
| Compensation Type | Magnetic Damping | |||
| Compensator Working Range | ±15' | |||
| Field of View | 1°30' | |||
| Multiplication Constant | 100 | |||
| Additive Constant | 0 | |||
| Sensitivity of Circular Level | 8'/2mm | |||
| Display | LCD | |||
| Data Port(interface) | -- | |||
| Data Memory | -- | |||
| Power Supply | Rechargeable Battery(Ni-H):6v/1.3AH When the power is used out,DAL1528 or DAL1528R would be ordinary Auto-Levels!! | |||
| Operating Time | Approx.10hrs | |||
| Auto Power-Off | 5 minutes later | |||
| Horizontal Outer Circle | 360°/1° | |||
| Ambient Temperature | -20°C~+50°C | |||
| Standard Accessories | ||||
| Recommended Tripod | Please refer to "Surveying Tripods" | |||
| Recommended Staff | Please refer to "Staff&Rods":Al.Digital Staff(ADS) | |||
| Packing Details | ||||
| Note | Any updating would be subject to change without prior notice!! | |||


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