|
Arc 7 |
Arc 7L |
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DISTANCE MEASUREMENT(GOOD WEATHER) |
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single prism |
|
5.0km |
|
Mini prism |
|
3.0km |
|
reflectorless |
600m 800m |
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accuracy |
with prism: 2mm+2ppm; without prism: 3mm+2ppm |
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reading |
max: 99999999.999 min: 0.1mm |
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measuring time |
fine: 0.3s; tracking: 0.1s |
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atmospheric refraction & earth curvation correction |
T-P sensor, Auto Detect and Correct |
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prism constant |
manual input, auto correction |
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ANGLE MEASUREMENT |
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measuring method |
absolute encoding |
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diameter of raster disk |
79mm |
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minimum reading |
0.1"/1”/5” selectable |
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accuracy |
2” |
|
|
detection method |
horizontal: dual vertical: dual |
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TELESCOPE |
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image |
erect |
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tube length |
154mm |
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effective aperture |
Telescope: 45mm; EDM: 50mm |
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magnification |
30X |
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field of view |
1°30’ |
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resolviong power |
3” |
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min. focusing distance |
1m |
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AUTO VERTICAL COMPENSATOR |
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system |
2-axis liquid-electric |
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working range |
±3’ |
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accuracy |
1” |
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LEVEL |
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plate vial |
30”/2mm |
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circular vial |
8’/2mm |
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OPTICAL PLUMMET |
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image |
erect |
||
magnification |
3X |
||
focusing range |
0.5m ~ ∞ |
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field of view |
5° |
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Laser plummet |
optional |
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DISPLAY |
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type |
3.5 inches LCD, 640X480 touch screen Windows CE6.0 operation system |
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ON-BOARD BATTERY |
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type |
rechargeable Lithium battery |
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voltage |
DC 7.4V, 3100mAh |
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charging time | 2 hours | ||
operating time |
10 hours |
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DATA STORAGE |
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Internal memory |
128MB DDR, 512MB NAND Flash |
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SD card |
Max. 32G |
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Communication port |
RS-232 port(6 pin), Mini USB, SD card, Bluetooth |
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DIMENSION & WEIGHT |
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dimension |
200 X 190 X 350mm |
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weight with battery |
6.0kg |