| STS-772R | STS-775R |
DISTANCE MEASUREMENT(GOOD WEATHER) |
single prism | 5.0km | 5.0km |
triple prism | 8km-10km | 8km-10km |
reflectorless | 600/800/1000m optional |
accuracy | with prism: 2mm+2ppm; without prism: 5mm+3ppm |
reading | max: 99999999.999 min: 0.1mm |
measuring time | fine: 1s; tracking: 0.5s |
atmospheric refraction & earth curvation correction | manual input, auto correction |
prism constant | manual input, auto correction |
ANGLE MEASUREMENT |
measuring method | absolute encoding |
diameter of raster disk | 79mm |
minimum reading | 1”/5” selectable |
accuracy | 2” | 5” |
detection method | horizontal: dual vertical: dual |
TELESCOPE |
image | erect |
tube length | 154mm |
effective aperture | Telescope: 45mm; EDM: 50mm |
magnification | 30X |
field of view | 1°30’ |
resolviong power | 3” |
min. focusing distance | 1m |
AUTO VERTICAL COMPENSATOR |
system | 2-axis liquid-electric |
working range | ±3’ |
accuracy | 1” |
LEVEL |
plate vial | 30”/2mm |
circular vial | 8’/2mm |
OPTICAL PLUMMET |
image | erect |
magnification | 3X |
focusing range | 0.5m ~ ∞ |
field of view | 5° |
Laser plummet | optional |
DISPLAY |
type | 3.5 inches LCD, 640X480 touch screen Windows CE6.0 operation system |
ON-BOARD BATTERY |
type | rechargeable Lithium battery |
voltage | DC 7.4V, 3100mAh |
operating time | 16 hours |
DATA STORAGE |
Internal memory | 64M |
SD card | Max. 32G |
Communication port | RS-232 port(6 pin), Mini USB, SD card |
DIMENSION & WEIGHT |
dimension | 200 X 190 X 350mm |
weight | 6.0kg |
