Máy Kinh Vĩ Điện tử PENTAX ETH - 500Series
Giá: vnđ
Electronic Theodolites ETH-500 | Series Specification | | | | |
Model | | ETH-502 | ETH-505 | ETH-510 | ETH-520 |
Telescope | Imaging | | Erect image | | |
| Objective aperture | | 45 mm | | |
| Magnification | | 30 x | | |
| Resolution | | ≤ 3” | | |
| Field of view | | 1° 20’ | | |
| Shortest focusing distance | | 1.35 m | | |
| Stadia multiplication constant | | 100 | | |
| Stadia addition constant | | 0 | | |
Angle Measuring | Angle measuring mode | | Absolute encoder | | |
| Angle measuring accuracy | 2" | 5" | 10" | 20" |
| Angle display | 1"/5" | 1"/5" | 5"/10" | 10"/20" |
| Angle unit | | 360°/400G | | |
Compensator | Tilt sensor | | Automatic vertical compensation | | |
| Tilt compensator | Yes | Yes | No | No |
| Soft switch | ON/OFF | ON/OFF | - - | - - |
| Compensation range | | ± 3’ | | |
Display unit | Two-sided | | Two-sided | | |
Optical plummet Image | Erect | | Erect | | |
| Magnification | | 3 x | | |
| Angle of vision | | 3° | | |
| Focusing range | | 0.5 m ~ ∞ | | |
| Sensitivity of tubular vial mm | 30”/2 | 30”/2 | 40”/2 mm | 40”/2 mm |
| Sensitivity of circular vial | | 8’/2 mm | | |
Dust & Water Protection | | | IP44 | | |
Type of base | | | Detachable | | |
Power supply | Battery | | 4 x single three (AAA) type dry battery | | |
Ambient temperature | For operation | | -20°C - +50°C | | |
Weight | Instrument | | 4.5 kg | | |
Measurements | Carrying case | | 1.9 kg | | |
| Instrument | | W 175 mm x L 170 mm x H 334 mm | | |
| Carrying case | | W 330 mm x L 450 mm x H 220 mm | |
CÔNG TY TNHH TRUNG AN
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