Surveying instrument: Electronic/digital theodolite DE 2B
- Category: >>>
- Supplier: Shaanxi Deruite Industry & Trading Co. Ltd.
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Product Overview
Description
DE-2B/DE-2BLL | |||
| TELESCOPE | |||
| image | erect | ||
| magnification | 30X | ||
| effective aperture | 45mm | ||
| resovling power | 3” | ||
| field of view | 1°30’ | ||
| minimum focusing distance | 1.35m | ||
| stadia ratio | 100 | ||
| stadia constant | 0 | ||
| tube length | 155mm | ||
| ANGLE MEASUREMENT | |||
| reading system | absolute encoding | ||
| diameter of circle (VHz) | 79mm | ||
| minimum reading | 1”/5” | 10” | |
| accuracy | 2” | 5” | 10” |
detection method: hor. ver. | dual dual | dual dual | dual dual |
| DISPLAY | |||
| (LCD) display type | 2 sides | ||
| MEMORY | |||
| internal memory | capacity for 256 pairs of H. & V. angle | ||
| LEVEL SENSITIVITY | |||
| plate vial | 30”/2mm | ||
| circular vial | 8’/2mm | ||
| COMPENSATION | |||
| system | liquid-electric detection | plate vial | |
| working range | ±3’ | ||
| accuracy | 1” | ||
| OPTICAL PLUMMET | |||
| image | erect | ||
| magnification | 3X | ||
| focusing range | 0.5m ~ ∞ | ||
| field of view | 5° | ||
| PHISICAL CHARACTERISTICS | |||
| laser pointer | |||
| operating temperature | -20℃ ~ 45℃ | ||
| internal power supply | Rechargeable LI battery | ||
| voltage | 7.4V,1650mAH | ||
| operating time | 10 hours | ||
| dimension | L145 X H318 X W179mm | ||
| weight | 5.2kg | ||
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